https://curiousscientist.tech/blog daily 1.0 2026-04-01 https://curiousscientist.tech/blog/ch32v003f4p6-with-dm8ba10-alphanumerical-display monthly 0.5 2026-04-01 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cd2376a8-cfd0-47cb-90ef-ea53a3bd7d34/TM1622_drivingPulses.png Blog - CH32V003F4P6 with DM8BA10 alphanumeric display - Make it stand out Timing chart of the write operation https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0ab98e66-ec02-4dc4-b188-9f21e10f866a/IMG_9840.jpg Blog - CH32V003F4P6 with DM8BA10 alphanumeric display - Make it stand out Different type of segments of the display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/adde0455-0cf1-49d9-b163-4446b11e2145/ExcelDrawingTool.png Blog - CH32V003F4P6 with DM8BA10 alphanumeric display - Make it stand out Excel drawing tool showing the letter “Y” and its decimal and hexadecimal code. https://curiousscientist.tech/blog/maant-xj-2-hawkeye-4k-microscope-camera monthly 0.5 2026-03-23 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/338d6172-b972-40ba-902f-b4c2263922f7/IMG_9822.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out Camera body with all of its terminals. The housing of the camera feels very sturdy. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1772985277334-EJ1FL23P21V27NLMXQGH/IMG_9825.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Wireless mouse https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1772985275659-JCHUWN36DWZV55VMJXWQ/IMG_9823.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - USB 2.0 cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1772985275616-4K7ZNDTWAE39ORH257OH/IMG_9824.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Male-male HDMI cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1772985278085-XUJM43NXWH8G39N0QCUD/IMG_9826.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - 12 V 1 A power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/97bcbf60-24f0-456a-8e5a-436cffa6abb5/IMG_9833.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out Protective foil in front of the IR filter. It is a nice extra detail. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0d1e5312-0975-4eae-9074-2dc257c0d5db/vlcsnap-2026-03-08-17h59m00s036_.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out S-EYE 2.0. This software is used to control the camera via USB. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0f721ae6-a509-487d-9dff-d9b80c25fcd2/vlcsnap-2026-03-08-17h20m41s750_.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out Menu dial. The background picture is a structure of a chip under the microscope. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d36cb5fe-fd68-4829-852f-b4f22998e488/vlcsnap-2026-03-08-17h21m09s599_.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out Magnifier tool in action. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bd0b9f6a-1600-44fb-a247-1996e9cb99b0/vlcsnap-2026-03-08-17h22m20s406_.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out Calibration window https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/216bca26-7d7e-4388-8127-37188c899958/vlcsnap-2026-03-08-17h21m45s967_.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out The measure panel. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4e4b7f71-74a7-4ae8-8d17-1da6efadf3e2/settingsPanels.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out The three tabs of the settings panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e289d4ba-d56d-4569-a533-d41acdabdd32/IMG_9821.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Make it stand out Click on the image to open the affiliate link that helps you to buy the camera! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773085019364-STW3A5UYDY3UK73H5GEP/s-eye_FHD_.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - Full HD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773085019509-1FHJN2AEKQQ8S474GC28/s-eye_4K_.jpg Blog - MaAnt XJ-2 Hawkeye 4k microscope camera - 4K https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773346762320-O50CF1C24X3VJLHD3F1Z/IMG00000.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773346762301-R6M0679J3AISR4GH6IQ0/IMG00002.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773346763574-JTO0CHRP5TV9CCQEPCWN/IMG00004.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773346763827-5RJR8I0EMVIFZ6JU15B3/IMG00008.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773346764823-9VO6B7N9LV4MZ3HDUMZN/IMG00010.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773346765097-AFH51XCOZN6A5KFAS5ZI/IMG00014.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773346766050-64JGMYAQCV5DVIPEGGZ3/IMG00018.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1773347210954-BFFT5LQQH3FHHYX0UYTE/IMG00019.JPG Blog - MaAnt XJ-2 Hawkeye 4k microscope camera https://curiousscientist.tech/blog/ch32v003j4m6-bme280-weather-station monthly 0.5 2026-03-04 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/93e81f58-2894-404e-821b-2dcd5d204745/IMG_9827.jpg Blog - Mini weather station with the BME280 and the CH32V003J4M6 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bc49ff5c-abef-4155-ac84-92160b53a5ff/IMG_9828.jpg Blog - Mini weather station with the BME280 and the CH32V003J4M6 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bcd45b34-bc37-4b74-a0d0-f20bea644f83/bme280_blockDiagram.png Blog - Mini weather station with the BME280 and the CH32V003J4M6 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e160c1d2-f39f-4af4-ad89-ad431e949abd/bme280_compParameters.png Blog - Mini weather station with the BME280 and the CH32V003J4M6 - Make it stand out Compensation parameter storage, naming and data type https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/26306289-f19d-4f3f-bb91-96428d0ee7da/bme280_H4_H5.png Blog - Mini weather station with the BME280 and the CH32V003J4M6 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8d9d4ffb-8219-4c2c-a150-d21e2129646d/bme280_memoryMap.png Blog - Mini weather station with the BME280 and the CH32V003J4M6 - Make it stand out BME280 memory map https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1772567794056-LLUA9IIVMMENZYF5DLFG/IMG_9830.jpg Blog - Mini weather station with the BME280 and the CH32V003J4M6 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1772567794124-YA5ZQ92YCOZ7TMJ1DWBP/IMG_9835.jpg Blog - Mini weather station with the BME280 and the CH32V003J4M6 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1772567795662-IL3S4GKFOKP2RKAPFSFE/IMG_9836.jpg Blog - Mini weather station with the BME280 and the CH32V003J4M6 https://curiousscientist.tech/blog/ch32v003j4m6-mini-board-ws2812b-rgb-led-tim-pwm-dma monthly 0.5 2026-01-12 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041050012-Q2ZXR67W9DSU0R456COU/DSC08235.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out CH32V003J4M6 chip on my PCB voltmeter circuit board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/49909c5d-13f8-444e-a6f0-644c4aff124a/IMG_9774.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out The complete PCB in a breadboard. It occupies very little space. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/75a505ca-c1c8-40b7-b53b-f45e609bf1d7/IMG_9777.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out The bottom side with the CH32V003J4M6 microcontroller, a TVS diode and two decoupling capacitors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7abf99d8-26c3-4ff1-bfed-1d14e8e87150/IMG_9789.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out The board in action, driving a 24-LED ring with ES2812B RGB LEDs. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d3791e4f-e564-44ef-a780-215a5560b157/WS2812B-SequenceChart.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767555180185-A92W3V61CIGPLMK6KOIG/WS2812B_800khzPulses24.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - A package of 800 kHz square waves All 24 bits are set to 0. The frequency might deviate a bit from 800 kHz because the clock source for the chip is its internal clock. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767555179089-QN8PE6XBRLJZ01QTJ85C/WS2812B_800khzPulse_code0.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Code 0 High pulse is 400 ns long and low pulse is 850 ns long. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767555179079-YFKOW3LG1M47O5X27QZS/WS2812B_800khzPulse_code1.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Code 1 High pulse is 850 ns long and low pulse is 400 ns long. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a9cb664d-bc59-4628-9330-2cca7898ba0f/CH30V003F4P6_MiniDevBoard_DMA1_CH5_Tim1_UP.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/df7a54bd-8aee-4aee-9bfc-3bed4bed42ff/WS2812B_WrongGreen_128_.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out Incorrect pulse train due to timer and DMA issues. The color is wrongly set as dim green instead of half-bright red. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b0d32384-4c80-44af-abef-6f0e1a817030/WS2812B_WrongRed_128_25Pulse_.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out 25 pulses with an extra inserted pulse at the beginning. This results in a correct pulse sequence interpretation by the RGB LED, but still has issues. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2bd91704-e669-4cff-a222-517ab890cda8/WS2812B_WrongRed_128_26Pulse_.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out A correct pulse sequence that gets interpreted correctly by the RGB LED and it is invulnerable to spillover-issues. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/aaf4a87d-062e-4c7a-83e9-48d401f0c391/blue-greenFrameError.gif Blog - A tiny microcontroller board based on the CH32V003J4M6 chip - Make it stand out Pulse spillover glitch. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767821891949-4VNMWK4E9RN2YEKANDF2/IMG_9765.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767821893529-GJ7D00PXZPHR3BJCGKXQ/IMG_9766.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767821894479-CKBMJ65VSOQ6FIDT7B93/IMG_9770.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767821895568-8FAPT3705XRSXXDMMYXS/IMG_9771.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767821896283-D281DFLH5CNTT3K898KZ/IMG_9772.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767821891865-Q0MHXLQNO21MNF9HS4Q9/IMG_9776.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1767821897458-VLTGYAI0007B4LXBX4XE/IMG_9775.jpg Blog - A tiny microcontroller board based on the CH32V003J4M6 chip https://curiousscientist.tech/blog/ch32v003f4p6-ws2812b-rgb-neopixel-driver monthly 0.5 2026-01-12 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/86953735-f967-4d3b-8b10-f982f706b184/IMG_9745.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out A CH32V003F4P6 microcontroller board and several different WS2812B LED boards https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/013fb874-379c-40cb-9537-3a7329e75b34/WS2812B-CascadeMethod.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d3791e4f-e564-44ef-a780-215a5560b157/WS2812B-SequenceChart.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out Pulse-sequences to produce “0 code”, “1 code” and “RET”. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c2b27da2-48a3-449d-81df-5dd78536cc6d/WS2812B-CompositionOf24BitData.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5791118c-4862-4b4e-ada3-241cdbf3f7f6/WS2812B-DataTransferTIme.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out Timing requirements for Code 0 and Code 1. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ff810d30-5b1d-457b-9814-ad7b723ef273/SPI_MOSI_333ns.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out SPI clock (top) and MOSI signal (bottom). The highlighted MOSI represents a “1” (HIGH) pulse, which is 333.3 ns wide https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/07b78131-1c94-4253-b0cb-a641707475e4/SPI_MOSI_1000ns.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out SPI clock (top) and MOSI signal (bottom). The highlighted MOSI represents a “0” (LOW) pulse, which is 1000 ns wide. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/abb249be-4543-4fd8-b12b-9622d606d7f1/SPI_CODE0_CODE1_v2.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out Code 0 and Code 1 sequences. Code 0 consists of a 333.3 ns wide HIGH and a 1000 ns wide LOW pulse and it is coded as “1000” on the MOSI line. Code 1 consists of a 1000 ns wide HIGH and a 333.3 ns wide LOW pulse, and it is coded as “1110” on the MOSI line. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3c2996fd-f087-454c-a87f-d1eb08e26fdf/IMG_9747.jpg Blog - CH32V003F4P6 with WS2812B RGB LEDs - Make it stand out A good bunch of different types of WS2812B boards. All of them works fine with my library. https://curiousscientist.tech/blog/full-frame-line-scan-camera monthly 0.5 2025-12-29 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212306447-JHCGDANHSI4CZHUMP42J/DSC08386.jpg Blog - (More than) Full-frame line scan camera - Make it stand out My TCD1304 breakout board that fits on an STM32F401CCU6 microcontroller. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d1c770f1-792e-47ed-8691-63d76a224276/3d-2dExplanation.jpg Blog - (More than) Full-frame line scan camera - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/40d1bcfe-db99-4fbf-b619-0bd7a81d55a8/FOV_diagonalExplanation.jpg Blog - (More than) Full-frame line scan camera - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/37c38d89-9dba-431c-a666-fb2addd56643/IMG_9732.jpg Blog - (More than) Full-frame line scan camera - Make it stand out The innards of the camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c99933e3-66f5-4449-a538-ecd4c0d0f37a/IMG_9737.jpg Blog - (More than) Full-frame line scan camera - Make it stand out The fully assembled camera with a lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b08b17b1-927b-42fb-91ad-2be82d7e7192/IMG_9728.jpg Blog - (More than) Full-frame line scan camera - Make it stand out The TCD1304 PCB mounted in the enclosure. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4fc2b1fc-d119-4470-85a2-60ec4433b0ae/IMG_9727.jpg Blog - (More than) Full-frame line scan camera - Make it stand out The debounced rotary encoder module from an earlier project https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1766953298708-D3PET3MQYCHT3LUWA0GH/tcd1304_convertedBIN_view_20251227_185105.png Blog - (More than) Full-frame line scan camera - A wide image of a rotating rubber duck The rubber duck was placed on a rotating platform and I adjusted the speed a few times during scanning. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1766953307642-E0HR8ZBBIXP1T09G7VB7/tcd1304_convertedBIN_view_20251227_185147.png Blog - (More than) Full-frame line scan camera - Scanned workbench https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1766953313115-OFG7PSLF4LDVMGQZPFRU/tcd1304_convertedBIN_view_20251227_185321.png Blog - (More than) Full-frame line scan camera - Scanned circuitboard https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1766953325404-P9IEU6ONJMUNU5W1O6NM/tcd1304_convertedBIN_view_20251227_192537.png Blog - (More than) Full-frame line scan camera - Scanned tin can https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1766953357278-WWJRD5D16VR3LT8ECBF2/tcd1304_waterfall_view_20251220_191710.png Blog - (More than) Full-frame line scan camera - Scanned eternal Pepe https://curiousscientist.tech/blog/diy-cloud-chamber-with-hv-grid monthly 0.5 2025-12-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e23ce563-42db-44e8-8e9a-13fe405c1e6f/20250728_221654.00_02_25_25.Still011.jpg Blog - Improved miniature cloud chamber - Make it stand out A thorium-containing mineral in the chamber. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765733375536-NLA9FEDCZ9FPAFA4QBMA/20250728_221654.00_00_24_00.Still002.jpg Blog - Improved miniature cloud chamber - 3D-printed top plate It’s inner diameter (“visible area”) is 85 mm. It supports the jar and the small channel on the side allows a cable to enter the chamber. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765733371704-Q9VCFFU93I2KHX9NTWOZ/20250728_221654.00_00_39_10.Still012.jpg Blog - Improved miniature cloud chamber - Backside of the top plate The insulating foam surrounds the Peltier cooler. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765733938512-KX3J86GH30AKUHTXVIPJ/20251214_141710.mp4.00_00_12_06.Still001.jpg Blog - Improved miniature cloud chamber - Wire for the negative HV supply I checked if the wire stayed in contact with the plate after the epoxy cured. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765733368824-DFLS6A0VTRHPP26DOTH1/20251214_142118.mp4.00_00_26_28.Still001.jpg Blog - Improved miniature cloud chamber - Polyester wadding It is used to insulate the back side of the plate. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e209c3dd-ca6b-465a-ad04-86cd04912a92/tec2-19006Peltier.jpg Blog - Improved miniature cloud chamber - TEC-19006 Powerful 2-stage Peltier cooler, exactly matching the requirements of the chamber. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765735560425-QFEPSG1TNQVSIDF9PUPR/20250728_221654.00_01_07_18.Still004.jpg Blog - Improved miniature cloud chamber - High-voltage grid This is the positive side of the grid. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765735292557-2OVTYD4CF4CXSAX0RXSO/20250728_221654.00_01_15_05.Still005.jpg Blog - Improved miniature cloud chamber - HV power supply for the grid I up-cycled this circuit from a mosquito swatter. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765735349988-HRM04A22QK2TR8O7PAPV/20250728_221654.00_01_17_04.Still013.jpg Blog - Improved miniature cloud chamber - LM2596 DC-DC converter This circuit converts the 12 V to 4.2 V for the HV power supply. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1765735351337-WS69EWOFENS8K84WTKVJ/20251214_124226.mp4.00_00_56_00.Still001.jpg Blog - Improved miniature cloud chamber - Switch This switch switches the HV power supply on and off. https://curiousscientist.tech/blog/a-medium-format-looking-camera-with-6k-video-capabilities monthly 0.5 2025-12-04 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324713396-MOUO323Q5J1GSE9D72D4/hawkeyeFPV6k.jpg Blog - A medium format-looking camera with 6k video capabilities - Make it stand out Hawkeye Firefly Split V6 PRO processor module (left) and camera module (right) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5aa06662-543d-4eb9-a61f-9bb1970d4273/IMG_9716.jpg Blog - A medium format-looking camera with 6k video capabilities - Make it stand out The Hawkselblad camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764696777249-SANRMH8IDMHFTYNYEH8R/IMG_9681.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764696777206-E7SZCZBSXMSYCRXQAWUO/IMG_9678.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764696778921-Y9IN6D1KMUUMQYI7G99D/IMG_9680.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5405f7da-d88f-4a07-8745-1110c86436a4/IMG_9677.jpg Blog - A medium format-looking camera with 6k video capabilities - Make it stand out The back side of the C-mount flange with the four ears https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764697955404-S4WMSMSPQ8OE5CBQCOMG/IMG_9690.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764697957188-699QKJM9DNS3F67RA6YV/IMG_9696.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764697955368-SWH2JS7EURQLNCQ4YHWS/IMG_9699.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3688d75b-4225-42e8-aefa-d15f9d1b6021/IMG_9695.jpg Blog - A medium format-looking camera with 6k video capabilities - Make it stand out The 3D-printed support plate and the 2” display used in the viewfinder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764704256631-KRIEMXSBAFN4RXT75CCW/IMG_9701.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764704289037-L7JWJ26M6V0OBXNMDOWW/IMG_9710.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764704259949-0Z7DLJD42KNUX4L7DVZV/IMG_9703.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/585f9b00-a045-4af2-8802-42b76ae6353a/IMG_9706.jpg Blog - A medium format-looking camera with 6k video capabilities - Make it stand out The processor module with custom heat sinks and the camera module, both installed in the housing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764705061035-80D3QSRXTRIL2KKRMT74/IMG_9708.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764705068420-BAF4KWE7AQ7LRRG7KYNV/IMG_9711.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1764705139463-Y4GU4UATF2NPIN18TCKT/IMG_9713.jpg Blog - A medium format-looking camera with 6k video capabilities https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f81db33c-6e98-431f-b98a-a245d340ff32/IMG_9715.jpg Blog - A medium format-looking camera with 6k video capabilities - Make it stand out Hawkselblad with closed viewfinder https://curiousscientist.tech/blog/esp32-s3-multiple-spi-buses-spi-fspi-hspi monthly 0.5 2025-11-26 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/30172fc5-70a0-4a90-8f64-9987cf72edb0/esp32-s3-wroom-1_series.jpg Blog - ESP32-S3 multiple SPI buses - SPI, VSPI, HSPI, FSPI, WTF…!? - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/119ef918-ed59-4e7f-a9b3-d61d486255be/ESP32-S3-DevKitC-1_pinout.jpg Blog - ESP32-S3 multiple SPI buses - SPI, VSPI, HSPI, FSPI, WTF…!? - Make it stand out Pinout diagram. Source: Datasheet (click on the picture) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/64488ae1-2982-40e5-b801-f53d59860cff/esp32-s3-wroom-1_SPI_MISO-MOSI.jpg Blog - ESP32-S3 multiple SPI buses - SPI, VSPI, HSPI, FSPI, WTF…!? - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0d319655-e266-4a2a-93e2-e243fdf84640/IMG_9663.jpg Blog - ESP32-S3 multiple SPI buses - SPI, VSPI, HSPI, FSPI, WTF…!? - Make it stand out Photo of the actual setup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2819e84c-7515-41c5-b9ad-5ace54d26c01/IMG_9676.jpg Blog - ESP32-S3 multiple SPI buses - SPI, VSPI, HSPI, FSPI, WTF…!? - Make it stand out Photo of an actual real-time graph. I bumped the load cell a few times. https://curiousscientist.tech/blog/diy-smart-fan-upgrade-ch9141-ch32 monthly 0.5 2025-11-18 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7dad05a1-8240-418a-b78c-e91b56991264/IMG_9651.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - Make it stand out Remote control assembled on a protoboard, sitting in a 3D-printed enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763498461179-CLWHHJVHK47DY27K6CAG/IMG_9633.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - Circuit panel of the fume extractor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763498462532-DM2ZNHRKSPL2DWAR2MVV/IMG_9635.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - Switch button of the fume extractor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763498461119-75ZA335W7CXU59NY3KB9/IMG_9640.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - The switch with some tacked wires https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763498462927-IY2RV74Y7NMQMKRZ33RY/IMG_9639.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - A 5V relay to "press" the switch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763499112181-5HJHRZCRRVZHZO3WJ8ZK/IMG_9647.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - The assembled receiver board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763499113545-KNH00A5UU0AE8YRW889S/IMG_9648.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - The bottom of the receiver board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763499113984-ADF9PGHVL0FFJMSNGRBP/IMG_9650.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - The receiver and the fume extractor's circuit board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1763499112032-32CI7U2JMS8GQ5LN4UGN/IMG_9655.jpg Blog - DIY Smart Fan Upgrade Using Open-Source RISC-V Hardware - The remote in a 3D-printed shell https://curiousscientist.tech/blog/ch32v003f4p6-ch32v006k8u6-ch9141-bluetooth-communication monthly 0.5 2025-11-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c4838c3d-badf-409a-9bfe-1292bd4104b0/CH9141_communicationDiagram.jpg Blog - CH32V003F4P6 & CH32V006K8U6 - Bluetooth communication via the CH9141K - Make it stand out Communication diagram of the CH9141 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/66e41358-9072-4587-9537-e93ae2f2f544/ch32V00x_USART2_remapping.jpg Blog - CH32V003F4P6 & CH32V006K8U6 - Bluetooth communication via the CH9141K - Make it stand out Possible remapping of USART 2 pins https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/754f9df0-c60b-4efb-9409-ce831686621f/IMG_9629.jpg Blog - CH32V003F4P6 & CH32V006K8U6 - Bluetooth communication via the CH9141K - Make it stand out Test setup for the 2-way Bluetooth communication https://curiousscientist.tech/blog/motorised-microscope-with-cnc-pendant monthly 0.5 2025-11-06 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762118427531-X1X4Y0XZ9FV5IP7CHA65/IMG_9604.jpg Blog - Motorised microscope with CNC pendant - The whole board Both the SN74LVC245A and the MCP23018 chips are right behind the DSUB connector. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762118425978-5FO45EPHR9UQVVVFXKQE/IMG_9592.jpg Blog - Motorised microscope with CNC pendant - 25-pin DSUB connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762118426099-SOCC08L6SHU7M19NUGE0/IMG_9606.jpg Blog - Motorised microscope with CNC pendant - Front panel There is only a status selector switch. The axis selector is now on the CNC pendant and the three buttons were ditched. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762119273507-F4PPPBR55GWLP5XI18GO/IMG_9582.jpg Blog - Motorised microscope with CNC pendant - 10k pull-up resistor It is hidden under the shrink tube and it is connected to the red wire. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762119273597-6QGFXLG2SPECSFKEGJPN/IMG_9581.jpg Blog - Motorised microscope with CNC pendant - 5V connection The pull-up resistor’s red wire is connected to the encoder’s VCC (5V) pin https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762118062123-6KPYSYILHZDUFU37J6QH/IMG_9591.jpg Blog - Motorised microscope with CNC pendant - MP2315 DC-DC converters The one with the yellow LED provides 3.3V and the other provides 5V. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/aeacd75c-870a-400a-b872-442b858849ae/DSC07906.jpg Blog - Motorised microscope with CNC pendant - 5V and VUSB tabs The tiny trace between the pads connects the VUSB to the 5V pin https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e6f4e685-e624-4e8c-9a79-dca08ddcc8f0/DSC07905.jpg Blog - Motorised microscope with CNC pendant - 5V connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762118062158-OWKETYWFLEGX9CLP6HI9/IMG_9599.jpg Blog - Motorised microscope with CNC pendant - VUSB pin https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762118063582-4FJGJ473AJ8GG2IPUI9T/IMG_9600.jpg Blog - Motorised microscope with CNC pendant - Broken 5V-VUSB trace https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762118063935-1TLG8U5IF76IEVEHDM2H/IMG_9601.jpg Blog - Motorised microscope with CNC pendant - VUSB-5V reconnected by a jumper cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b0c63d14-2836-4672-bf5c-bfeaf2337461/IMG_9593.jpg Blog - Motorised microscope with CNC pendant - Make it stand out Limit switch connector zones with the necessary resistors. The Z-axis is slightly different because it uses StallGuard instead of limit switches. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762120328376-KI4WWPCQ7B5N3GY98CWQ/IMG_9585.jpg Blog - Motorised microscope with CNC pendant - 3D printed front and rear panels and board support https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762120328348-MKWLMPDCTYY7O4SIKKVF/IMG_9583.jpg Blog - Motorised microscope with CNC pendant - Front panel and an empty PCB sitting in the enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762120329660-4P2R2H5XABSE8KIQK5ND/IMG_9608.jpg Blog - Motorised microscope with CNC pendant - Rear panel with all the connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762120330143-3P76586MTYJ5BKSANOUV/IMG_9609.jpg Blog - Motorised microscope with CNC pendant - USB, Z-motor (top) and joystick (bottom) connectors I used USB-B because it is sturdy. Both the other connectors are GX-16 connectors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1762120331149-KJSQUYHRH8Q6VD8M3MZS/IMG_9610.jpg Blog - Motorised microscope with CNC pendant - Stage (top) and CNC Pendant (bottom) and a 2.1 mm DC jack DSUB connectors The stage (2 motors and 4 switches) uses a 15-pin high-density DSUB connector and the CNC pendant uses a regular 25-pin DSUB connector. https://curiousscientist.tech/blog/cnc-mpg-pendant-with-arduino monthly 0.5 2025-10-21 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760295849953-CRYKZYP93CHXPQPV923I/IMG_9553.jpg Blog - CNC MPG Pendant with Arduino Nano and LCD display - CNC Pendant https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760295872286-G1LRFUPYVEK1P6G0N3HY/IMG_9555.jpg Blog - CNC MPG Pendant with Arduino Nano and LCD display - Closeup of the rotary switches https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760296408031-SXN796TBWC1ADVW2HG80/IMG_9560.jpg Blog - CNC MPG Pendant with Arduino Nano and LCD display - Arduino circuit The wires from the encoder are directly connected to the GPIO pins and the encoder is fed from the 5V rail. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760296408117-ZXC7TH9AX36M2M6HLQCP/IMG_9565.jpg Blog - CNC MPG Pendant with Arduino Nano and LCD display - Handwheel's connections https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760296409339-NFG1DEC8RWKLGY603TG6/IMG_9562.jpg Blog - CNC MPG Pendant with Arduino Nano and LCD display - Selector rotary switch PCB Notice how the yellow-black cable comes from the “C” (common) point of the PCB and continues as orange-black (“GND”). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760296409750-YH8QRCNUN6HO09QNNE6Q/IMG_9564.jpg Blog - CNC MPG Pendant with Arduino Nano and LCD display - The innards https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760371594407-JKXDB85EJHY2B7KYHUKK/Screenshot+2025-10-13+173321.png Blog - CNC MPG Pendant with Arduino Nano and LCD display - Clockwise https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760371595400-EGGI8E0684CV0XKM6DAU/Screenshot+2025-10-13+173335.png Blog - CNC MPG Pendant with Arduino Nano and LCD display - Counterclockwise https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760371594461-NRQ511G4SAMEPA1K9WXT/Screenshot+2025-10-13+173259.png Blog - CNC MPG Pendant with Arduino Nano and LCD display - Differential receiver https://curiousscientist.tech/blog/light-meter-for-analogue-cameras monthly 0.5 2025-10-03 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/167282fd-6363-4827-94e1-09edbdc30a0d/tsl2591.jpg Blog - Light meter for analogue cameras - Make it stand out The TSL2591 light sensor module. This project utilizes the same light sensor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047205429-6SZ5BE8I80L7EWLPW5VF/DSC09346.jpg Blog - Light meter for analogue cameras - Assembled PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047206637-LF2F7W4IUI4DM8DSX61I/DSC09348.jpg Blog - Light meter for analogue cameras - Empty PCB (front) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047205258-AT8QE2Q9YVJJ6FLD3P2P/DSC09350.jpg Blog - Light meter for analogue cameras - Empty PCB (back) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047220831-A0LPSY52PMM5AIN1VU3U/DSC09355.jpg Blog - Light meter for analogue cameras - Back side of the PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047220823-J6FQRLFYEUVQ427K5QRD/DSC09358.jpg Blog - Light meter for analogue cameras - USB-C connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047222094-MMBXSEG1Z16398YNODP5/DSC09356.jpg Blog - Light meter for analogue cameras - 3-way navigator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759045702328-QNMLWGNXV2ISEN9F75S9/DSC09365.jpg Blog - Light meter for analogue cameras - Front and rear shells https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759045701070-IAJ74UW4YS50O5I4VYLW/DSC09363.jpg Blog - Light meter for analogue cameras - Recessed hole for the sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759045701100-TS2YCWS7B9D8G2NJZT34/DSC09415.jpg Blog - Light meter for analogue cameras - Front shell with insert nuts https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759045806147-DLZ9C8JW6NUXGC3ZM700/DSC09361.jpg Blog - Light meter for analogue cameras - 3-way navigator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759045804899-LNVRFWKAVUL29XQ6EST5/DSC09362.jpg Blog - Light meter for analogue cameras - USB-C port https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759045804882-XAOMDR90LYUXS3LDFQGU/DSC09364.jpg Blog - Light meter for analogue cameras - PCB in the front shell https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759500159850-C0KUM60BDHC5UDKLWY4Z/DSC09437.jpg Blog - Light meter for analogue cameras - Rear view, on a camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759500159748-OUDG32CH95M1ED17OROC/DSC09438.jpg Blog - Light meter for analogue cameras - Rear view https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759500161135-517FX2R0KH0F8142ZZNK/DSC09442.jpg Blog - Light meter for analogue cameras - Bottom view https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047838334-RAYT57BTEO02TAIRWCAS/DSC09400.jpg Blog - Light meter for analogue cameras - Device on a cold shoe adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047838418-ILL93P16GDTYARI50S0S/DSC09434.jpg Blog - Light meter for analogue cameras - With the display on https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047839614-BZSPUQ3LC0U47ITBX8AV/DSC09422.jpg Blog - Light meter for analogue cameras - On an analogue camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047897241-06VOXI8YMEZEEK1TY0SW/DSC09420.jpg Blog - Light meter for analogue cameras - Test photo of my bench https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047906932-2C2ZNFTLI4INKAUOINHB/DSC09418.jpg Blog - Light meter for analogue cameras - Test photo of my printers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759047897849-XHT4941D1N4DNTHQ5TDA/DSC09419.jpg Blog - Light meter for analogue cameras - Test photo of my flowers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759065404968-KLCJI7TIPNML74O37OZ0/DSC09366.jpg Blog - Light meter for analogue cameras - Closeup of the mating surfaces https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759065416515-Q3EKW2V6DLY4PRC9T27P/DSC09424.jpg Blog - Light meter for analogue cameras - Closeup of the display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759065419567-MAHTWLGK2R5SM9TIXNGN/DSC09427.jpg Blog - Light meter for analogue cameras - Viewfinder and light meter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759066461843-RDGM1NQLQJGVFGDF107V/DSC09378.jpg Blog - Light meter for analogue cameras - The device on an analogue camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759500159850-C0KUM60BDHC5UDKLWY4Z/DSC09437.jpg Blog - Light meter for analogue cameras - Rear shell with built-in mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759500159748-OUDG32CH95M1ED17OROC/DSC09438.jpg Blog - Light meter for analogue cameras - Rear shell with built-in mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759500161135-517FX2R0KH0F8142ZZNK/DSC09442.jpg Blog - Light meter for analogue cameras - Rear shell with built-in mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759500161671-I4C9PNO348C6YWGSHP8K/DSC09443.jpg Blog - Light meter for analogue cameras - Rear shell with built-in mount https://curiousscientist.tech/blog/customising-my-hawkeye-firefly-split-v6-pro-camera monthly 0.5 2025-12-02 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402288526-9KF9BFXT2RWAVP8B5NKY/DSC09337.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Original C-mount shell ..with ripped threads https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402289707-KOIG4DK8P28XTDX1WPZK/DSC09335.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - 3D-printed C-mount shell https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402288552-RV6SJMV4NSO997XDBYVX/DSC09336.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Metal C-mount flange https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402606817-IZA2XNTZUAZU0E4MQE2G/DSC09288.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - CCTV enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402608109-LL9VIOCWTO7QRV25ZE3S/DSC09289.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Metal C-mount flange https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402606870-CHWKYSCIPM2I5YWF58AC/DSC09291.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Front panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402764731-5EEX168KA45GA8MQ8HY2/DSC09279.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - 3D-printed mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402763578-M1OC03X37N319SKLJRFK/DSC09312.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Half-assembled mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758402763607-EFHCMU6FXCMZGUSQLD6Q/DSC09308.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Sensor sitting in the mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758403320875-D38CVSPP69XGSAOAPBV2/DSC09282.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Front side (Sensor) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758403320875-9TM5ZLNWQPETNORCF9HW/DSC09285.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Right side (HDMI) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758403321932-HMCW2BJDTXIPCSR433YI/DSC09284.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Left side (USB) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758403459334-TMXLEWF0FDS2FMPP6A14/DSC09286.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Rear side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758403460753-LEG0LGN5AKHFF6DIV9KV/DSC09301.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - USB-C ports and SD card slot https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758403459714-WYK23PDV9O71D21LTH45/DSC09304.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Buttons and HDMI connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758456121835-5EGBON1QCAHP81EF5LSF/DSC09311.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Copper heatsinks https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758456121937-YDHUGAYTXM3MQKZCWLC3/DSC09306.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Module in the enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758456123146-JIGALJZGOLICF19EB3PQ/DSC09305.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - 3050 radial fan https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758456462828-P6ADIMOU8PNO06ZMKDH1/DSC09296.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Complete camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758456463985-REDBPUI2GI2I0QXDU6B3/DSC09293.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Rear panel with joystick https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758456462973-KKOFGYI0IJP3F5PIEIND/DSC09330.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - 3-way USB-C splitter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459094565-LDDSOJDZS17PJRO1X31L/DSC09319.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - 3.5" HDMI display kit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459093295-YOP2TUHF9NALD9091XN7/DSC09320.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - 3D-printed enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459093284-2VLKUWPEFVZ1I1GWQJKJ/DSC09314.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Complete display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459150902-1XJI19V0MMC233T17NA4/DSC09331.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Camera with external display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459152010-DP6K9MT6K2F9D5QOPVKC/DSC09344.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Camera with phone https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459150900-JYFUQJ27E6GZ8659UNT3/DSC09343.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Size comparison https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459867729-GI4RMIBK16Q156N96LOL/DSC09326.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Nikon F adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459866519-428XFAZW3MF64T6JJZ3Y/DSC09325.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - M42 adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758459866507-G0YXM80AO1RRNJGI0P7U/DSC09334.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Microscope lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460088097-OS4C6VAR2FJ9LJ39NYLS/DSC09295.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - C-mount side of the camera housing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460087349-LFUCX7GFB5AXTFFKSPJG/DSC09287.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - IR lens frame This little thing holds the IR filter in its seat. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460083139-6JDASXR5MKR2PALUKRQ4/DSC09315.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Top view of the DIY display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460083139-06WSZ85E9ONI6037K0DY/DSC09316.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - DIY display's 1/4" mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460088586-4AXMN0MMPCREP5P7WG20/DSC09313.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Monitor mount Cold shoe-to-1/4” thread https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460084683-57EXH4NOVZC3TCK5JLIA/DSC09329.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Microscope lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460084397-PDGTGH5LAI8J27UMPCP8/DSC09327.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - Micro-HDMI-to-HDMI cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460085640-ULRSTDI2829O0J5O2YZA/DSC09333.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - USB-C splitter Power-only! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460086949-HVXAZV6NI6AT46WH3UBF/DSC09281.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - 3050 radial fan https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1758460085908-O6K9V7JE5C7Y5KP47994/DSC09339.jpg Blog - Customising my Hawkeye Firefly Split V6 PRO camera - USB-C power cable This feeds the fan. https://curiousscientist.tech/blog/a-genius-way-of-handling-multiple-buttons monthly 0.5 2025-09-28 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324853395-1DFKCTIS7NHIBOIWJJY3/DSC08646.jpg Blog - A genius way of handling multiple buttons - Make it stand out My Hawkeye camera’s 2-wire remote controller. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/622796b3-0942-4a61-8e04-5ad8f505be35/ResistorLadder.jpg Blog - A genius way of handling multiple buttons - Make it stand out Reverse-engineered circuit of the remote controller. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/588cf0d7-2d55-45d7-9a0e-8248238c74f0/DSC08691.jpg Blog - A genius way of handling multiple buttons - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271456282-FDNHISV3J8X4UF7JMTKG/DSC08702.jpg Blog - A genius way of handling multiple buttons - Test circuit Test circuit with Arduino I used for this demonstration https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324853395-1DFKCTIS7NHIBOIWJJY3/DSC08646.jpg Blog - A genius way of handling multiple buttons - Remote control This remote control inspired my project https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271457209-37MIW05MJBR44KR6NLUW/DSC08686.jpg Blog - A genius way of handling multiple buttons - Top side of the PCB Only a few parts, easy to hand-solder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271457656-EBYKH0XHKIZE3OFA6ZJK/DSC08687.jpg Blog - A genius way of handling multiple buttons - Back side of the PCB With my web address https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271458544-68R5LOYW7X9GOAZU1SIA/DSC08688.jpg Blog - A genius way of handling multiple buttons - MU-AS90R from APEM A solid 5-way navigation switch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271459085-F7HHOZJJSTXKNF5QHT8I/DSC08691.jpg Blog - A genius way of handling multiple buttons - Complete circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271459886-OABAS5U98GXZ15TCWMKL/DSC08692.jpg Blog - A genius way of handling multiple buttons - Complete circuit with the connection for the camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271455841-MQOWSEIDFS8G097B5Z8O/DSC08698.jpg Blog - A genius way of handling multiple buttons - A test result printed on the OLED display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1755271460452-KGABTM1IHMLVDA3MRRUU/DSC08696.jpg Blog - A genius way of handling multiple buttons - A test result printed on the OLED display https://curiousscientist.tech/blog/ch32v006k8u6-with-tsl2591-light-sensor monthly 0.5 2025-08-08 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f91a0654-b4aa-44c2-8f24-5b5765e0e5ca/DSC08684.jpg Blog - CH32V006K8U6 with TSL2591 Light Sensor - Make it stand out TSL2591 closeup picture. The checkered pattern is the chips’s photodiode array area. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/167282fd-6363-4827-94e1-09edbdc30a0d/tsl2591.jpg Blog - CH32V006K8U6 with TSL2591 Light Sensor - Make it stand out The TSL2591 sensor breakout board. Click the link for the affiliate product link. https://curiousscientist.tech/blog/hawkeye-firefly-split-v6-pro-a-comprehensive-review monthly 0.5 2025-09-28 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/02b798d1-f74e-491c-97b1-4229f0d0501c/20250712_221747.00_01_55_01.Still007_compressed.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Original packaging of the camera with foam padding https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ebc58d13-2268-497b-89a5-6284925e9816/20250712_221747.00_09_57_24.Still001_compressed.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Exposed bottom side of the camera module. The battery terminals are at the bottom left corner next to one of the brass nuts. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/00c147e0-9ee7-498e-89b1-8d7af48bfe65/Hawkeye_DigitZoom-ezgif.com-video-to-gif-converter+%281%29.gif Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Hawkeye’s FOV and digital zoom https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bd4544fa-f6aa-499a-862d-da3a441cafd1/Samsung_digitZoommp4-ezgif.com-video-to-gif-converter.gif Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Samsung Galaxy S9+ FOV and digital zoom. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/522fbf53-9e2f-42cd-b42f-49676e5e0473/hawkeye_vs_Ricoh+GRII.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Ricoh GR II at ISO 400 and f2.8 (left) and Hawkeye at ISO 100 and f1.4 (left). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/32eca628-2f33-45c3-a20e-ab8d44d9cd7d/hawkeye_iso_comparison-ezgif.com-video-to-gif-converter.gif Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out ISO 100 (brighter) vs ISO 6400 (darker). I know, a GIP won’t really give back the differences due to compression. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8e2670e8-3815-4989-831c-56ba9d522bf6/hawkeye_iso100_vs_iso6400.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out 100% cropped comparison of ISO 100 and ISO 6400 images https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2fa0c470-5d23-4a03-b98e-a81f1b6043f2/20250803120129_000027-ezgif.com-video-to-gif-converter.gif Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Walking with the camera with no EIS https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e70dd27b-3430-4fa7-a4a7-db4ca66183c2/20250803120216_000028-ezgif.com-video-to-gif-converter.gif Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Walking with the camera with max EIS https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/790ae18a-58b2-4193-b589-ed5dd8f6493b/20250712_221747.00_24_35_27.Still004_compressed.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Make it stand out Camera kit with the additional 2000 mAh battery. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324853091-QIKTZIQEFGDUN7Q9EEDU/hawkeyeFPV6k.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - The main module with the FPV lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324851891-9MUZQKGCAA8VNWJ8WGT9/DSC08663.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Top of the main module The heatsink should be attached to this side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324851890-2RH7KGUOD7RSSWDTBUB1/DSC08662.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Bottom of the FPC module This side should be opened if we want to solder a battery to the board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324856038-ZBB9N355MQ10L6UWA61R/DSC08651.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - C mount lens shell with an IR filter lens Be very careful with the threads! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324857356-DFOZDTR5R1JVR8NN0EDU/DSC08654.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - The famous 1-inch sensor 20 megapixel resolution https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324853395-1DFKCTIS7NHIBOIWJJY3/DSC08646.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 5-button remote It’s special because the 5 buttons are handled with only 2 wires https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324854302-1H8B1QGB66IHXL03TIG3/DSC08647.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 5-wire connectors For power (7-26 V), audio and video trigger and AV signal for transmitters. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324854631-8BSLU4LV27B7RKPOTPJL/DSC08648.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 3D printed lens hood It’s for the FPV lens and it helps with the glares https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324855451-4M6FJFOW5TPA68P4S9QD/DSC08649.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Heatsink It’s a must! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324856888-ZDVAKTC6EXO57RRXHMPS/DSC08652.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 100 cm long soft ribbon cable In case you want to have the camera module further away from the main board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324858443-EQTNIYRGDH0IIEJP1WRM/DSC08655.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - USB-C connector and Micro SD slot https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324858877-IFO1YVU9JTSOZI8GGVOH/DSC08656.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Micro HDMI, ON/OFF and WiFi buttons https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324860405-AM2SKYY6TP6RYEIOYJJL/DSC08657.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 2-pin remote connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324860755-N59DZRWFA8SW77ZXYH3N/DSC08658.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 5-pin power and control connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759430007749-INCED5MAWZ9HCQ95OQL4/DSC08665.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Split PCB (Top) This is the bottom side of the PCB that contains the processor and the connector to the camera module under the metal shell side. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1759430007719-MR4X3GQLD40CQXYVMC1W/DSC08664.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Split PCB (bottom) This is the top side of the PCB that contains the WiFi chip under the metal shell side. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324992109-K8I1WRY3C3V072ZKOLJG/fw759monitor.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - Freeworld FW758 7" monitor It works great with this device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324992094-IH58PY5SS6K1DWRCWKXM/16mmCmountLens.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 16 mm f1.6 C mount lens I used this lens for all the test footage https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324993310-2ECFF8SIOR393TGW8SZM/50mmCmountLens.jpg Blog - Hawkeye Firefly Split V6-PRO - A comprehensive review - 50 mm f1.4 C mount lens Another great lens for this module https://curiousscientist.tech/blog/ch32v006k8u6-development-board-design-process-in-kicad monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e3fba65a-121b-4e67-94ed-06259ca716ac/ch32v006k8u6_datasheet_Pinouts.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out CH32V006K8U6 pinout diagram https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/621b1489-34bc-499f-9add-b455f99cd048/SymbolEditor_MCU.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out CH32V006K8U6 KiCad symbol https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8058a04e-b9ce-4bb7-a2ac-220e01b7a2a3/MCU_labels.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out “Fully equipped” microcontroller with the bypass capacitor and the labels for all the GPIOs https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3866f117-9684-4bdf-a05f-07477e1eb4c8/MCU_USBC.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out USB-C connector with the necessary resistors, a 500 mA fuse and some other connections. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/44e51bf4-e7f2-4608-9d0c-6de7bb0f0e21/MCU_250mALDO.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out 5 V → 3.3 V, 250 mA LDO https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1915aad8-b0c0-474e-bb0f-9415cad2d8dc/MCU_PowerIndicator.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Simple LED power indicator fed from the 3.3 V rail. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eb22830d-8ad1-4ff5-8bdc-df3bb8d1ca78/MCU_Reset.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Reset circuit according to the datasheet https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1a8002e3-f1be-45b2-89c8-45817769497d/LoadCapacitance_Equation.png Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/675eb344-bc98-4296-ac78-725294152987/MCU_Oscillator.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Crystal oscillator with its capacitors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6bbd14ac-31f9-4443-a750-81273d2c5d61/ch32v006k8u6_datasheet_Oscillator.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Crystal oscillator according to the datasheet https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0a202c4a-7e8a-4fb0-bbac-0904dd5d95b3/MCU_USBtoUSART.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out CH340N-based USB to USART circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/82462e43-75b1-41c0-b28e-d859ae2b627c/MCU_GPIO.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out GPIO pin headers with labels and power rails https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b3abeaea-9480-47ad-a53e-4f1428581c3f/MCU_SWIO.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Programmer connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b480e23e-746d-480e-987a-be41dc661a80/kicad_PCB_15pinspacer.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Dummy 8-pin connector to achieve the perfect spacing between the two 15-pin connectors quick&easy https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1ac493c3-c6c0-4d8c-a23a-72f73fe8d598/kicad_PCB_roundedFilled.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Center guideline, rounded corners and copper fill https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ed1d6481-d580-41e4-8d49-c8c70e0c9d56/kicad_PCB_USB_3pin_power.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out Power section added to the board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/70372577-99a3-4ebb-8d13-60b252dcac2c/kicad_PCB_3dAllparts_notraces.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out All parts, but no traces https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/92a5d665-355a-480f-9a2f-27056b861cdb/CH32V006K8U6DevBoard_3D.jpg Blog - KiCad PCB design - CH32V006K8U6 Development Board - Make it stand out KiCad render of the board https://curiousscientist.tech/blog/ch32v006k8u6-development-board monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666661573-Q64SIEDJUE8CLHX18502/DSC08638.jpg Blog - CH32V006K8U6 development board under $5 - Board vs. 1 RMB coin fun fact: you can buy the microcontroller using the coin on the picture (~ $0.14) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666661102-OY6W83WN4RU2FAVT8H44/DSC08633.jpg Blog - CH32V006K8U6 development board under $5 - Sitting in a breadboard https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666658164-HHRX395C3ZWZ3X7TLSN8/DSC08630.jpg Blog - CH32V006K8U6 development board under $5 - Still sitting in a breadboard, but photographed from the opposite side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666659486-ZBBG3ENB0R5JFZRGLX63/DSC08631.jpg Blog - CH32V006K8U6 development board under $5 - Front view …and the evenly spaced leftover rows in the breadboard… https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666659946-6AZJXK7NES7Z722W5UVD/DSC08632.jpg Blog - CH32V006K8U6 development board under $5 - SWIO programming interface with 3.3 V and GND pins https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666656117-YT95D38FRL45WKYAXT2F/DSC08627.jpg Blog - CH32V006K8U6 development board under $5 - Without pin headers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666656572-IS8CXCD0TISDJ7KFHNS0/DSC08628.jpg Blog - CH32V006K8U6 development board under $5 - Top of the bare PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666657843-M5BRK1I1I9U40VY3DJFN/DSC08629.jpg Blog - CH32V006K8U6 development board under $5 - Bottom of the bare PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666648884-XBNVMOZ403D6PDJB5IMG/DSC08610.jpg Blog - CH32V006K8U6 development board under $5 - QFN32 footprint with solder paste over it https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666648876-1DV8S7495JLDY9545JDJ/DSC08611.jpg Blog - CH32V006K8U6 development board under $5 - Initials and design year https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666650334-WKSEN20D32S9JJNHSH48/DSC08613.jpg Blog - CH32V006K8U6 development board under $5 - Crystal's environment https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666650829-0O17I0S8O9FO2BWM9IQ8/DSC08614.jpg Blog - CH32V006K8U6 development board under $5 - Easter egg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666651823-PL6UQEI32L4CZB7KPGA8/DSC08622.jpg Blog - CH32V006K8U6 development board under $5 - USB-C, no shorts https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666652592-2CIPZFZF7P0P4C8AO482/DSC08623.jpg Blog - CH32V006K8U6 development board under $5 - USB-to-USART chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666653349-WYYXAV39LUJXPVD8R3DH/DSC08624.jpg Blog - CH32V006K8U6 development board under $5 - Soldered CH32V006K8U6 chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666654720-I8USRILIL9050EAWYLEG/DSC08625.jpg Blog - CH32V006K8U6 development board under $5 - Crystal and its capacitors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1751666655117-0R50H4AR3XFSWA5CAT78/DSC08626.jpg Blog - CH32V006K8U6 development board under $5 - 3.3 V, 250 mA LDO regulator LP5907MFX-3.3 https://curiousscientist.tech/blog/tcd1703-linear-ccd-driving-and-reading monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d7725990-b7eb-4d2f-85e6-f5d1d7bcc6a4/TCD1703_pinout_pairedPins.png Blog - TCD1703C Linear CCD - Driving and reading - Make it stand out Pin connections of the TCD1703 linear CCD. The color coded pins should be connected together. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/811b24a3-1040-4d70-a25d-cee0aa8eb6b6/TCD1703_Timing_Overall.png Blog - TCD1703C Linear CCD - Driving and reading - Make it stand out Timing chart of the TCD1703 linear CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6acf13b1-8f00-4dad-9181-b45a4d49a6cc/TCD1703_Timing_Detailed.png Blog - TCD1703C Linear CCD - Driving and reading - Make it stand out Timing requirements of the TCD1703 linear CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/92062563-ea08-4099-a58a-2323adad3562/Signals4.jpg Blog - TCD1703C Linear CCD - Driving and reading - Make it stand out CCD output (green) between two SH pulses (yellow). The CCD was covered with some random cables. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/650b04b4-5751-4c8b-b5d4-e8d897460581/Signals3.jpg Blog - TCD1703C Linear CCD - Driving and reading - Make it stand out SH (yellow), RS (purple), CP (blue) and Ф (green) signals. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/79421237-363a-4f9f-a4e0-e518f12da68e/Signals6.jpg Blog - TCD1703C Linear CCD - Driving and reading - Make it stand out ADC trigger signal (blue) and one of the OS signals (green). The rising edge of the trigger starts the ADC conversion, and the “pit” on the OS signal represents a single pixel’s output signal. The width of these pits is controlled by the width of the Ф-signals, and it must be wide enough to fit 2 AD conversions! https://curiousscientist.tech/blog/ch32v003f4p6-spi-sd-card-fatfs monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/01578c67-d387-4d64-857a-b2025c8a43ff/DSC08431.jpg Blog - CH32V003F4P6 - SD card with FatFS - Make it stand out CH32F003F4P6 microcontroller with an SPI microSD card module and a 8 GB microSD card used for the demo. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7cdf3d44-327e-40cc-88dd-68c41f1e5ec3/ChaN_libraryFiles.jpg Blog - CH32V003F4P6 - SD card with FatFS - Make it stand out FatFs module’s files https://curiousscientist.tech/blog/ch32v003f4p6-ds18b20-thermometer monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8bbd1aec-4c71-471a-8718-f24d09cb5621/DS18B20_init.png Blog - CH32V003F4P6 - DS18B20 Thermometer - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/26821e64-aebd-449c-833a-77b4a942b3e8/DS18B20_read-write.png Blog - CH32V003F4P6 - DS18B20 Thermometer - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/ch32v003f4p6-spi-communication-with-adxl345 monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - SPI communication with ADXL345 - Make it stand out CH32V003F4P6 development board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ba5c6d59-5e62-4208-b193-d282451d5b0a/adxl345.jpg Blog - CH32V003F4P6 - SPI communication with ADXL345 - Make it stand out ADXL345 3-axis accelerometer https://curiousscientist.tech/blog/pcbway-11th-anniversary-badge monthly 0.5 2025-06-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e31aeec3-461a-436b-a881-adc7206fcf07/pcbway11yearBadge_Schematics.png Blog - Creating a working PCB badge from a visual design - Make it stand out Received “schematics” with all its flaws https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1747943977323-0KP5IUC2TEI5FJ54O6HG/WhiteSilkScreen_compressed.jpg Blog - Creating a working PCB badge from a visual design - Silkscreen layer This layer of graphics was used as the front silk screen. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1747944303592-A9ZDR3VJ1YFONN0QF7HW/frontsilkscreen_kicadFootprint.png Blog - Creating a working PCB badge from a visual design - Importing as KiCAD graphics The previous picture was imported to KiCAD’s image converter tool. The image had to be inverted (“negative”) since KiCAD uses the black graphics as active layer. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1747943977329-38W239UQMIJLL0VOTUZ2/GoldMask_compressed.jpg Blog - Creating a working PCB badge from a visual design - Front mask layer This layer of graphics was used as the front copper mask. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1747944303623-DN2JE426RT9C8GBM4X2K/frontmask_kicadFootprint.png Blog - Creating a working PCB badge from a visual design - Importing as KiCAD graphics The other layer was also imported using the image converter tool. Here I did not invert the image, but I had to use the maximum threshold value to show the image properly. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1747944974486-A0ZI5MCDGGOBUFE5A67P/pcbway_11year_badge_Schematics.png Blog - Creating a working PCB badge from a visual design - KiCAD schematics A simple KiCAD schematics describing the whole circuit. The LEDs are grouped together and their group numbering is shown next to each group. These numbers are in fact the port numbers (PBx) of the microcontroller. https://curiousscientist.tech/blog/usb-pd-decoy-breadboard-power-supply-2025 monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2d30f136-9e3a-4f0b-b285-1f1543ef0aac/Switch_old.png Blog - USB PD Breadboard Power Supply - Updates! - Make it stand out Old, “wrong” design. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7c5bf8f7-600e-4862-b037-e1c91a6b56d5/v1.1Correction.jpg Blog - USB PD Breadboard Power Supply - Updates! - Make it stand out New, good design. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1746027602373-ILP69D8J2AXJ6K43YH4V/DSC08408.jpg Blog - USB PD Breadboard Power Supply - Updates! - New (white) and old (green) boards https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1746027599197-E06DXKV12F8N83FWPX36/DSC08401.jpg Blog - USB PD Breadboard Power Supply - Updates! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1746027599200-IVON1J5KAKQJNXBDB61R/DSC08402.jpg Blog - USB PD Breadboard Power Supply - Updates! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1746027600761-TBMBBXZWMN75VJM70VCH/DSC08405.jpg Blog - USB PD Breadboard Power Supply - Updates! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1746027601270-R4QHVX1D37X4MQGTEMSU/DSC08406.jpg Blog - USB PD Breadboard Power Supply - Updates! https://curiousscientist.tech/blog/tcd1304-based-spectrometer-part-5 monthly 0.5 2025-03-26 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/19d8935e-7604-4741-8ecf-5b3039c69446/CodeCogsEqn+%282%29.gif Blog - TCD1304 Spectrometer - Part 5 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/35fa551e-b73e-4663-8b20-d810bfc98a1d/Calibration_Linear_vs_poly.jpeg Blog - TCD1304 Spectrometer - Part 5 - Make it stand out Linear and polynomial calibration curves. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212304416-H5OH754CHAZWE6B9B0KA/DSC08382.jpg Blog - TCD1304 Spectrometer - Part 5 - Make it stand out TCD1304 x STM32F401CCU6 breakout board (2025) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323033665-SF4TDQ7B0C8W99AARO3S/DSC08355.jpg Blog - TCD1304 Spectrometer - Part 5 - Make it stand out TCD1304 miniature CCD breakout board (2024) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558912012-85FCY3OAMVXFW671TEZ1/DSC04633_c.jpg Blog - TCD1304 Spectrometer - Part 5 - Make it stand out TCD1304 miniature CCD breakout board (2022, fits the spectrometer!) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1743018251639-1ZCDM8MVV4YT4CEIWV1J/HP_SodiumLamp_withBaseLine.png Blog - TCD1304 Spectrometer - Part 5 - High-pressure sodium lamp No baseline subtraction applied https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1743018251656-HA7AYKMQUUGU1AFFTCTQ/HP_SodiumLamp_withoutBaseLine.png.png Blog - TCD1304 Spectrometer - Part 5 - High-pressure sodium lamp With baseline subtraction https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1743018252747-T7860AF0ZYC9LDGDF13R/Growligth_outerRing.png Blog - TCD1304 Spectrometer - Part 5 - IKEA grow light Outer ring, “white light” https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1743018252517-G8EPKG4UKAKKK7Z7E6II/Growlight_innerRing.png Blog - TCD1304 Spectrometer - Part 5 - IKEA grow light Inner ring, red light https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1743018253451-H7NRBGFYCITS3OZHWMQ0/LED.png Blog - TCD1304 Spectrometer - Part 5 - Opaque LED bulb https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1743018253732-TG0C5LI3JLEMUHA3Y171/LEDFilament.png Blog - TCD1304 Spectrometer - Part 5 - LED filament lamp https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1743018254356-0WBBNPS4LZ9NSLIWMBMB/CFL_Lamp.png Blog - TCD1304 Spectrometer - Part 5 - Compact fluorescent lamp https://curiousscientist.tech/blog/tcd1304-stm32-board-2025 monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/439e2902-2dc1-4e2a-940e-988280d1aaf6/DSC04088.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision - Make it stand out Old breakout PCB with its “flaws”. Wider layout, white silkscreen around the components, inverted microcontroller…etc. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212304416-H5OH754CHAZWE6B9B0KA/DSC08382.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212302715-Q6PB0MTXLQ6KVD521OLB/DSC08380.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212302718-1A4X6SXHS8X4JCCBF408/DSC08381.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212304699-2MAAACZZRXLF7IC3TJUP/DSC08383.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212306028-FT0DC009FOCFFZYACE7M/DSC08384.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212306447-JHCGDANHSI4CZHUMP42J/DSC08386.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1739212307810-RW9E5UWRHF7CO5MECQGC/DSC08387.jpg Blog - TCD1304 - STM32F401CCU6 breakout board revision https://curiousscientist.tech/blog/tcd1304-mini-board-2024 monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a6751f37-6ff1-47ff-aaf6-1f749f63e501/DSC08365.jpg Blog - TCD1304 CCD driver board - revisited - Make it stand out Old (top) and new (bottom) board design. Smaller components, more compact layout and less connectors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323033665-SF4TDQ7B0C8W99AARO3S/DSC08355.jpg Blog - TCD1304 CCD driver board - revisited - PCB with a CCD inserted https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323039942-GOWSXCE5X95JGHC4OSUF/DSC08364.jpg Blog - TCD1304 CCD driver board - revisited - PCB in a 3d-printed cradle https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323035132-QQ1JOITAADQ433Q4J9CX/DSC08357.jpg Blog - TCD1304 CCD driver board - revisited - PCB without the CCD I used preci-dip sockets. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323039247-2ZB5JA7JC0EC6965F8R8/DSC08363.jpg Blog - TCD1304 CCD driver board - revisited - Preci-dip sockets https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323033688-D027OFROIHGLGKNQ2CC8/DSC08356.jpg Blog - TCD1304 CCD driver board - revisited - Back side With an OPAMP for signal conditioning and a voltage reference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323035646-AXV5FO9LRMVGW0I3STJY/DSC08358.jpg Blog - TCD1304 CCD driver board - revisited - Signature of the PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323036820-VS9VL6XT2YS0GQLIG4RE/DSC08359.jpg Blog - TCD1304 CCD driver board - revisited - Six connectors Reduced from 8. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1737323037408-8KCZ6TQYG0QFS95T5XZN/DSC08360.jpg Blog - TCD1304 CCD driver board - revisited - Components closeup Not my best reflow, for sure! https://curiousscientist.tech/blog/old-pc-resource-monitor-gadget monthly 0.5 2025-01-06 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e8cf80f8-a7c0-4a17-9f42-e36ea64b1cc7/ArduinoCPURAM_App.jpg Blog - CPU and RAM monitor, literally - Make it stand out Simple C# app to send CPU/RAM usage to the Arduino. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199587669-1O0EA9BLFIDXV162974H/DSC08351.jpg Blog - CPU and RAM monitor, literally - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199588399-40J5KKHNAIU1RI2WJ1CX/DSC08352.jpg Blog - CPU and RAM monitor, literally - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199583025-H9GCUDMW2UX2SCNZN9UC/DSC08334.jpg Blog - CPU and RAM monitor, literally https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199583025-P6PM8ONRYWU0JY7LEBV7/DSC08337.jpg Blog - CPU and RAM monitor, literally https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199584501-L766AS7B2928FP2D00SE/DSC08339.jpg Blog - CPU and RAM monitor, literally https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199584795-YLO06DSKVCB8NI5UF5WO/DSC08342.jpg Blog - CPU and RAM monitor, literally https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199585960-CRVQ1TD67FKBQ2B6UZU4/DSC08343.jpg Blog - CPU and RAM monitor, literally https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199586682-C5OBUUSZR47SB2TJE11Y/DSC08350.jpg Blog - CPU and RAM monitor, literally https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199587669-1O0EA9BLFIDXV162974H/DSC08351.jpg Blog - CPU and RAM monitor, literally https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1736199588399-40J5KKHNAIU1RI2WJ1CX/DSC08352.jpg Blog - CPU and RAM monitor, literally https://curiousscientist.tech/blog/ch32v003j4m6-low-power-modes monthly 0.5 2025-11-18 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a4d2d6c1-f5e3-4ccb-8cde-718f0656dc30/DSC08329.jpg Blog - CH32V003J4M6 - Low power modes - Make it stand out CH32V003J4M6 chip on a CR2032 battery. Based on the battery’s ~225 mAh capacity, the chip could be in standby for about 22500 hours, or 2.5 years. https://curiousscientist.tech/blog/ch32v003j4m6-breadboard-voltmeter-coding monthly 0.5 2025-11-18 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/49bb7a52-8e82-4cda-a5ed-6f64d8602743/ch32v003j4m6_pinout.jpg Blog - CH32V003J4M6 - Breadboard voltmeter - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/897a0873-4b3c-4a19-9db9-86642685bc64/DSC08259.jpg Blog - CH32V003J4M6 - Breadboard voltmeter - Make it stand out Voltmeter in action. Only the first 12 bytes are printed on the display (for demonstration purposes), therefore the bottom of the characters are chopped off. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cf01bd97-3d91-4820-9f45-3e2eebeb1ae4/OLED_largeCharacters.jpg Blog - CH32V003J4M6 - Breadboard voltmeter - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/073c20df-24e3-41d6-825f-5c0c2971c521/ssd1306_GDDRAM_pixels_K.jpg Blog - CH32V003J4M6 - Breadboard voltmeter - Pixel bitmap of the OLED display Each byte should be read from left-to-right to match the LSB→MSB direction. Otherwise, read the byte right-to-left and fill the pixels up MSB→LSB. https://curiousscientist.tech/blog/breadboard-voltmeter monthly 0.5 2025-11-18 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041051724-28NOZ5DZOMSH53QDFDZ8/DSC08239.jpg Blog - Miniature breadboard voltmeter - Make it stand out Assembled circuit in a breadboard. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041055241-AQ5503DPBIK7XG10KQLL/DSC08250.jpg Blog - Miniature breadboard voltmeter - Make it stand out Assembled circuit in a breadboard while measuring voltage on both channels. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041055241-AQ5503DPBIK7XG10KQLL/DSC08250.jpg Blog - Miniature breadboard voltmeter - Circuit in action The circuit was measuring the outputs of two random potentiometers. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041052258-YTUL49CSNHQRMQ21VMQ3/DSC08241.jpg Blog - Miniature breadboard voltmeter - Standing style With a 90° pin header https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041051724-28NOZ5DZOMSH53QDFDZ8/DSC08239.jpg Blog - Miniature breadboard voltmeter - Laying style With a straight pin header https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041050607-A6BUOCTUTASRQKSO3M1E/DSC08238.jpg Blog - Miniature breadboard voltmeter - Both styles Just as a reference https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041053658-L0QEG879GWP5GG0T5IKC/DSC08242.jpg Blog - Miniature breadboard voltmeter - PCB with all the SMD components https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041054006-K8RNQIGWSX1K23B7BQF5/DSC08243.jpg Blog - Miniature breadboard voltmeter - Bottom side With all the crucial information and the programming (SWIO) pin. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041050012-Q2ZXR67W9DSU0R456COU/DSC08235.jpg Blog - Miniature breadboard voltmeter - CH32V003J4M6 The microcontroller that reads the voltage via its 10-bit ADC and drives the OLED display. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041048803-4XN9BSQIQCYQRJ4FH1FH/DSC08234.jpg Blog - Miniature breadboard voltmeter - MCP1700 With its two 1 uF capacitors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1734041048254-6RYXTNV4D44F67T73KEU/DSC08233.jpg Blog - Miniature breadboard voltmeter - Voltage dividers Both expand the voltage up to 12 V. https://curiousscientist.tech/blog/ch32v003f4p6-i2c-bit-banging-oled-display monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/44fb33f0-210d-4b18-a1bf-5db28cf33584/ssd1306_startstop_timingChart.jpg Blog - CH32V003F4P6 - I2C bit banging - OLED display - Make it stand out SSD1306 driver start and stop conditions on the i2c bus https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a5de377d-1c6c-4e83-bca9-9b53e1f81934/ssd1306_ACK_timingChart.jpg Blog - CH32V003F4P6 - I2C bit banging - OLED display - Make it stand out SSD1306 driver acknowledgement condition on the i2c bus https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - I2C bit banging - OLED display - Make it stand out Support my work, and buy the board using my affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b0e7821e-facc-43f5-9440-e3a6a0674c60/ssd1306_initializationChart.jpg Blog - CH32V003F4P6 - I2C bit banging - OLED display - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4caad407-9f85-4488-b8f6-dcfc4f1e2927/ssd1306_GDDRAM_pixels.jpg Blog - CH32V003F4P6 - I2C bit banging - OLED display - Make it stand out GDDRAM of the SSD1306 display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/03a34e4c-2b87-4232-9222-3faa53019e9e/ssd1306_GDDRAM_pixels_K_real.jpg Blog - CH32V003F4P6 - I2C bit banging - OLED display - Make it stand out Letter “K” printed on the OLED display. The 5×8 grid is drawn on the picture for a more illustrative image. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/073c20df-24e3-41d6-825f-5c0c2971c521/ssd1306_GDDRAM_pixels_K.jpg Blog - CH32V003F4P6 - I2C bit banging - OLED display - Make it stand out A block populated with pixels showing the letter “K” https://curiousscientist.tech/blog/ch32v003f4p6-i2c-basics monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/034b01aa-c6ba-4c24-aa05-7a4521d23350/pcf8574.jpg Blog - CH32V003F4P6 - I2C communication - Make it stand out PCF8574 - 8-channel IO expander (Click for the affiliate link!) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eb229ba0-6923-4a53-a46b-035592510e0d/DSC03974.jpg Blog - CH32V003F4P6 - I2C communication - Make it stand out AS5600 - Magnetic encoder (Click for the affiliate link!) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a3425b18-cfa2-43bc-b8c0-b969d4f21dcf/pcf8574_sinking_LED.jpg Blog - CH32V003F4P6 - I2C communication - Make it stand out LED connected to the PCF8574 circuit in a sinking configuration. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - I2C communication - Make it stand out Click on the image for the affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/034b01aa-c6ba-4c24-aa05-7a4521d23350/pcf8574.jpg Blog - CH32V003F4P6 - I2C communication - Make it stand out Click on the image for the affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2efe0032-7686-4ef7-bbbc-d74334d551a5/wch_linkE_mini.jpg Blog - CH32V003F4P6 - I2C communication - Make it stand out Click on the image for the affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eb229ba0-6923-4a53-a46b-035592510e0d/DSC03974.jpg Blog - CH32V003F4P6 - I2C communication - Make it stand out Click on the image for the affiliate link! https://curiousscientist.tech/blog/reflow-hot-plate-update-2024 monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1732827050679-I18A9K921BBWHSXVAUL1/DSC08217.jpg Blog - Reflow hot plate update - Full assembly I mounted the whole system on an A4 wood sheet. It makes it tidier and easier to handle. I put a PCB on the hot plate to illustrate how large the surface is. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1732827050693-GTMHYFQU1RD5OS1OPM0F/DSC08218.jpg Blog - Reflow hot plate update - Hot plate The previous 100 mm x 150 mm plate is replaced with a 150 mm x 150 mm plate. I clamped a 2 mm thick aluminium plate on the mica heater to maintain a flat surface during heating. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1732827052550-8KXFS9JZDCOY5EC1WDEF/DSC08220.jpg Blog - Reflow hot plate update - New page The new code contains a second page which allows free heating (maintain a target temperature), and free cooling. The free heating is controlled by a proportional heat control algorithm. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1732827052926-AHQX91C13H2WZMX6FZ8T/DSC08224.jpg Blog - Reflow hot plate update - Neon glow indicator lamp I added this small neon lamp to the output terminal of the TRIAC. It indicates when the hot plate is powered. It is a good feature when we want to see the proportional heater in action. https://curiousscientist.tech/blog/ch32v003f4p6-interrupts monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2efe0032-7686-4ef7-bbbc-d74334d551a5/wch_linkE_mini.jpg Blog - CH32V003F4P6 - Interrupts - Make it stand out Get this programmer using my affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - Interrupts - Make it stand out Get this board using my affiliate link! https://curiousscientist.tech/blog/ch32v003f4p6-adc-basics monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3906c313-3166-4328-83a3-23dca57ccb1e/ADC+formula.png Blog - CH32V003F4P6 - ADC basics - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - ADC basics - Make it stand out Get this board using my affiliate link by clicking on the picture! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2efe0032-7686-4ef7-bbbc-d74334d551a5/wch_linkE_mini.jpg Blog - CH32V003F4P6 - ADC basics - Make it stand out Get this programmer using my affiliate link by clicking on the picture! https://curiousscientist.tech/blog/ch32v003f4p6-timers-and-pwm monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/127b4c69-a522-4ea9-b5b3-25bb8101369d/F_output.png Blog - CH32V003F4P6 - Timers and PWM - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eecc827b-581e-43c2-98fc-0d19813eb35d/duty.png Blog - CH32V003F4P6 - Timers and PWM - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fc43d19b-7f6d-439f-9794-7c209ea6dcc8/PWM_Output_CCR-ARR.JPG Blog - CH32V003F4P6 - Timers and PWM - Make it stand out Typical illustration of the PWM signal generated by the timer. The counter starts from zero and the PWM signal starts as high. It stays high until the counter reaches the value of the CCR. At this point, the PWM signal goes low and stays low until the ARR value where the counter is reset and starts over from zero. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/15153df8-cfa6-4e21-827f-89c756d85262/PWM_f10Hz_50pctDuty.jpg Blog - CH32V003F4P6 - Timers and PWM - Photo of my handheld oscilloscope connected to PD2 pin. I sent 47999 99 50 to the serial terminal to get the output. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - Timers and PWM - Make it stand out Click the image to get the microcontroller via my affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2efe0032-7686-4ef7-bbbc-d74334d551a5/wch_linkE_mini.jpg Blog - CH32V003F4P6 - Timers and PWM - Make it stand out Click the image to get the programmer via my affiliate link! https://curiousscientist.tech/blog/ch32v003f4p6-usart-basics monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - USART basics - Make it stand out CH32V003F4P6 Dev board and programmer // Clicking the image opens my affiliate link! https://curiousscientist.tech/blog/ch32v003f4p6-setup-and-gpios monthly 0.5 2024-12-29 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2efe0032-7686-4ef7-bbbc-d74334d551a5/wch_linkE_mini.jpg Blog - CH32V003F4P6 - Setup and blinky, introduction to GPIOs - Make it stand out WCH-LinkE mini programmer // Clicking the image forwards you to AliExpress via my affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fa1214f3-c5c0-4b19-8597-41177a443da5/ch32f4p6_dev.jpg Blog - CH32V003F4P6 - Setup and blinky, introduction to GPIOs - Make it stand out CH32V003F4P6 microcontroller board // Clicking the image forwards you to AliExpress via my affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7d1dda04-9acc-45d4-a368-357f4f66abfc/CH32V003_1_Download.jpg Blog - CH32V003F4P6 - Setup and blinky, introduction to GPIOs - Make it stand out "Download" https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/47d0e69c-5498-4dc1-b481-33b0bcf3bf07/CH32V003_1_FileNewProject.jpg Blog - CH32V003F4P6 - Setup and blinky, introduction to GPIOs - Make it stand out Create a new project https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9c188bdf-c990-4e6f-a317-8a7df2d2e7c7/CH32V003_1_NewProject_SelectChip.jpg Blog - CH32V003F4P6 - Setup and blinky, introduction to GPIOs - Make it stand out Select the microcontroller https://curiousscientist.tech/blog/usb-pd-decoy-breadboard-power-supply monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/819f7f92-d107-443a-8189-aecc0b6556fa/ch224k_chip.jpg Blog - USB PD Decoy breadboard power supply - Make it stand out CH224K USB PD Decoy chips https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d10d38a6-9e20-48d6-8b81-7911f2c2ac5a/DSC08174.jpg Blog - USB PD Decoy breadboard power supply - Make it stand out Top view of the assembled and mounted circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1728945559235-KVA84JE22B76QOF41FI8/DSC08171.jpg Blog - USB PD Decoy breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1728945559206-G40EKTAWY0K5Y5AABSQ1/DSC08175.jpg Blog - USB PD Decoy breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1728945560887-88HB055OSVK1TFD976ML/DSC08176.jpg Blog - USB PD Decoy breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1728945561225-3FEWD36F0JRDLYD4TDPP/DSC08177.jpg Blog - USB PD Decoy breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d10d38a6-9e20-48d6-8b81-7911f2c2ac5a/DSC08174.jpg Blog - USB PD Decoy breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1728945562534-ILH1O9EDC4PEWVOCV9KI/DSC08179.jpg Blog - USB PD Decoy breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1728945563015-WUZ86DG1Q76Z4FWFR884/DSC08181.jpg Blog - USB PD Decoy breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1728945564146-93F8ZVIWJPKYXIC0OR2T/DSC08183.jpg Blog - USB PD Decoy breadboard power supply https://curiousscientist.tech/blog/xyz-microscope-stage-controller-update monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e6f4e685-e624-4e8c-9a79-dca08ddcc8f0/DSC07905.jpg Blog - XYZ Microscope Stage Controller Update - Self-sufficient Power Supply - Make it stand out Teensy 4.0. One can see the VUSB trace going towards the corner of the board and the VIN/5V pin at the corner of the board. By default, they are connected on the bottom of the PCB (see below). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/aeacd75c-870a-400a-b872-442b858849ae/DSC07906.jpg Blog - XYZ Microscope Stage Controller Update - Self-sufficient Power Supply - Make it stand out Teensy 4.0 bottom. The VUSB-(VIN/5V) connection is clearly visible here. Cutting the trace between the VUSB and the VIN/5V pad allows the board to be powered externally while having it connected to a PC via USB. https://curiousscientist.tech/blog/400-w-hot-plate-test monthly 0.5 2024-09-18 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1726685203220-AS773LQBI1L572FDJ022/DSC07891.jpg Blog - 400 W hot plate test - The device Click on the image to get the device using my affiliate link! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1726685203209-367NQ4GQG1YU7DCA3QLA/DSC07892.jpg Blog - 400 W hot plate test - Front panel with all the controls https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1726685205039-S7TG7LTBOUO1QVTNLNPP/DSC07895.jpg Blog - 400 W hot plate test - Control circuit inside the enclosure https://curiousscientist.tech/blog/ads1256-rp2040-gpio-front-panel-with-flex-pcb monthly 0.5 2024-09-02 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290773172-Y75K7GKUO8GMCDGNH6V7/DSC07885_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Nice and clear front panels with hatched pattern copper pour https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290772965-M4P5PW207NRIXOXQ1P0K/DSC07615_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Previous connectors, just as a reference https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290774536-YERZHDJG2H619LH5H7I9/DSC07873_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - New connectors and custom flex PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290775060-96Q1LISX5K95YDBQRKDQ/DSC07874_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Close-up of the main panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290775896-QGWYZ42W12S1UVCI4DD4/DSC07875_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - 28-pin FFC/FPC connector Manually soldered https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290776582-OV2ILZRG1UG7XHXOSLZD/DSC07876_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Back side of the front panel with the flex PCB cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290778077-7YOXJVEX7LGFF5Z4A9CL/DSC07877_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Flex PCB cables https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290778276-0II4NEY8UPZXI8DIVVSA/DSC07878_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Full board, "bird's eye view" https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290779618-IX0XP22MHD1PVOGWAXWZ/DSC07879_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Full board, "bird's eye view" https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290779915-ESLFVDBDB2J4JFSXKBDW/DSC07880_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Bottom of the board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290781047-QVOQAJMB39OK7GIC2HNO/DSC07881_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Bottom of the board from another perspective https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290781449-MYVDEVCN0LQ0RNAFRDFH/DSC07882_compressed.jpg Blog - ADS1256-RP2040 GPIO front panel with flex PCB - Cable and connectors, loosely attached https://curiousscientist.tech/blog/atmega32u4-microcontroller-revised monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226781224-KY1SJEKAO6OQU8RCI1J2/DSC07857.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226786353-RVJNCVDQQYWH3BLK19S8/DSC07845.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226789935-NS1F1T34V84Y9DKTRZOD/DSC07852.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226783047-AI8WOB6BYYP0OL1Q47CN/DSC07860.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226781326-X785NOKRS7LA7TL2MAAA/DSC07859.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226783362-P6Z37MD4Q20I9TFSUB23/DSC07861.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226788408-9BNIPK8KPOP42IM5L5MT/DSC07848.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226789499-3DYM2ZOI9V38C734139Z/DSC07849.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226787471-PD27AI1PX9TUH0O9WZ78/DSC07847.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226784712-SM80LJMUST3NK899F6X5/DSC07862.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226785365-RSCGHFXHPPJ4HPCRBRF0/DSC07864.jpg Blog - ATmega32u4 microcontroller - revisited/revised! https://curiousscientist.tech/blog/office-name-plates-with-esp32-and-e-ink-display monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/384f4db5-9ac2-4f5e-b732-690d05e26232/CustomBadge_esp32_Eink_schematics.jpg Blog - Office nameplate with ESP32 and e-ink display - Make it stand out Simple schematics. All the connections and pins are stated in the Arduino source code as well. The voltage divider for the battery voltage monitoring could be used with R1 = 1.2k resistor as well, but in that case, you will have to recalculate the correction factor! https://curiousscientist.tech/blog/upgrading-my-microscope-with-long-working-distance-lenses monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/adb6ce46-f2d4-4402-a1a5-9f0b6483fa9f/20x_shortVSlong.jpg Blog - Upgrading my microscope with long working distance lenses - Make it stand out Short WD lens (left) and long WD lens (right). In both cases, the subject was in focus. Both lenses are 20x. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721336857875-HN6IAGDUY6IB6MMG1HPT/20240718_202851_compressed.jpg Blog - Upgrading my microscope with long working distance lenses - New 20x lens 10.4 mm working distance https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721336857910-AW3SSBIKDXM2AZ8AS79V/20240718_202946_compressed.jpg Blog - Upgrading my microscope with long working distance lenses - Old 20x lens Unknown, but only a few millimeters of working distance. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721336859013-3Z1VOLL9LEB9P3N4V1EK/20240718_202549_compressed.jpg Blog - Upgrading my microscope with long working distance lenses - New 2.5x lens 11.2 mm working distance. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721336858843-JTZSRRORZWXOMPOSEP9T/20240718_202355_compressed.jpg Blog - Upgrading my microscope with long working distance lenses - Old 5x lens Unknown working distance. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339712279-CQNV52HEW5L1M0XJ2KUC/DSC07820.jpg Blog - Upgrading my microscope with long working distance lenses - New 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339725061-7CATYI7OVLGRN10DGTYS/DSC07821.jpg Blog - Upgrading my microscope with long working distance lenses - Old 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339734798-UVOPIP90C92EADR9NXT5/DSC07822.jpg Blog - Upgrading my microscope with long working distance lenses - New 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339742519-AQJWP2LAI8DC68LSFW9Y/DSC07823.jpg Blog - Upgrading my microscope with long working distance lenses - Old 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339752903-6S5KONX4QNJNPE9GLHV6/DSC07824.jpg Blog - Upgrading my microscope with long working distance lenses - New 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339760018-PG3KCQBY0AAED8WHHUBF/DSC07825.jpg Blog - Upgrading my microscope with long working distance lenses - Old 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721337024535-7PE5CADZ3BTXTHXJ87TP/DSC07826.jpg Blog - Upgrading my microscope with long working distance lenses - New 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721337025374-00K1LSPCGHXPRIXYEB7I/DSC07827.jpg Blog - Upgrading my microscope with long working distance lenses - Old 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721337026598-6LH8X2NT2NZ9UG2LZY95/DSC07828.jpg Blog - Upgrading my microscope with long working distance lenses - New 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721337027232-KOEUV4UHVJQBYQA6BPQM/DSC07829.jpg Blog - Upgrading my microscope with long working distance lenses - Old 20x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339692399-K5FEI75QFQGA7CAXNEJ6/DSC07833.jpg Blog - Upgrading my microscope with long working distance lenses - New 2.5x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339692424-61POGMRWIYYMMNKSVMLT/DSC07831.jpg Blog - Upgrading my microscope with long working distance lenses - New 2.5x lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1721339694859-3K95ATSPQC4NSHT3QXSN/DSC07832.jpg Blog - Upgrading my microscope with long working distance lenses - New 2.5x lens https://curiousscientist.tech/blog/how-not-to-fry-your-arduino monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4d00369b-bec1-4b3d-81b9-935fce1d8efa/ArduinoUno_500mAFuse.jpg Blog - How not to fry your Arduino? - Make it stand out F1 fuse on the 5 V from USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cd700bfe-2fa6-47d3-a64d-44ffa40a2c65/ArduinoUno_VIN_5VLDO.jpg Blog - How not to fry your Arduino? - Make it stand out 5 V LDO (MC33269D-5.0) on the DC jack and VIN power rails https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1cc2c8d1-c45a-4c1a-a0ac-b1d98a4add55/ArduinoUno_MOSFET.jpg Blog - How not to fry your Arduino? - Make it stand out Arduino Uno’s MOSFET circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4a60e3b4-0796-490a-8eb9-53c1cea7e412/SG90_powering.jpg Blog - How not to fry your Arduino? - Make it stand out Wrong and correct* connection of a servo motor. *Assuming that the user does not power the Arduino by any other power supply, including USB! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3cb352a0-77c6-4a0c-8bc1-087daab6b023/DCMotor_powering.jpg Blog - How not to fry your Arduino? - Make it stand out Wrong and correct connection of a DC motor. https://curiousscientist.tech/blog/setaram-tga-balance-mechanism monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9ebdc927-3f2a-46af-87e9-5206a2c67b58/DSC04472_compressed.jpg Blog - Measuring weight without a load cell - Setaram TGA balance mechanism - Make it stand out Balance arm. When engaged, the whole balance arm is hanging on a thin torsion wire. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/171795c1-b7c6-4115-9301-dd725fff4136/DSC04473_compressed.jpg Blog - Measuring weight without a load cell - Setaram TGA balance mechanism - Make it stand out Upper portion of the balance mechanism with the coils and the opto-elements. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/aa7b8519-3811-47b9-ae17-e1859d99e399/DSC04477_compressed.jpg Blog - Measuring weight without a load cell - Setaram TGA balance mechanism - Make it stand out Backside of the PCB that accommodates the two photodiodes https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/da5d7f08-0e4c-45ba-9a0b-e7af38ae6d5c/DSC04478_compressed.jpg Blog - Measuring weight without a load cell - Setaram TGA balance mechanism - Make it stand out The two photodiodes closely packed on the PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bdef69c7-aa91-4a49-90f9-b4405469058c/DSC04470_compressed.jpg Blog - Measuring weight without a load cell - Setaram TGA balance mechanism - Make it stand out Metal plate with a split. This plate moves between the light source and the couplet photodiodes. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7e8f2d99-3d22-4a81-8729-e54340e977c7/DSC04468_compressed.jpg Blog - Measuring weight without a load cell - Setaram TGA balance mechanism - Make it stand out The essential parts of the balance: balancing coils and “balance-detecting” opto-elements https://curiousscientist.tech/blog/100w-solder-fume-extractor-review monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024986662-TO586MOWIEHZBIFZJXIX/DSC07658.jpg Blog - 100 W Solder Fume Extractor Review - The whole device The device easily fits on the top of my workbench. It is about 265x265x335 mm. The flexible pipe is 120 cm when fully extended. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024983136-EUKAOPVUWL02X7AZ225E/DSC07648.jpg Blog - 100 W Solder Fume Extractor Review - Removed top lid Under the top lid, there is a dense foam which seals the filter. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024986246-4UANGIU2H62I2L9OAGJP/DSC07651.jpg Blog - 100 W Solder Fume Extractor Review - Under the lid After I removed the lid, this is what I saw. The three filter layers are concentrically arranged in the body of the fume extractor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024982613-E7UEDT7HGM612T393S16/DSC07647.jpg Blog - 100 W Solder Fume Extractor Review - First filter layer, "PM50 filter" The first filter layer is supposed to trap the largest particles that enter the fume extractor. It is made of cotton and this has the shortest life cycle. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024984907-Z6WAKHBEA39V09KP9YDH/DSC07650.jpg Blog - 100 W Solder Fume Extractor Review - Inside without the first filter layer After removing the cotton filter, this is how the inside of the fume extractor looks like. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024980781-Y9T5K9BUM2PPFRPGD5NG/DSC07645.jpg Blog - 100 W Solder Fume Extractor Review - Second filter layer, "PM0.5" The second filter layer is a HEPA filter which is supposed to trap even smaller particles. This has a but longer life cycle, depending on the usage, it can be used up to 6 months. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024984325-94DSVEU8LSDZLJMR2WJU/DSC07649.jpg Blog - 100 W Solder Fume Extractor Review - Inside with only the third filter layer This is how the third filter looks like inside the fume extractor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024981370-RK1WXI8DWINEN9Q5B87W/DSC07646.jpg Blog - 100 W Solder Fume Extractor Review - Third filter layer, carbon filter This filter layer is responsible for capturing the volatile organic compounds (VOCs). The carbon inside the filter adsorbs the VOCs. The VOCs are for example generated when the flux evaporates during soldering. The filter has up to 1 year life cycle. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024979176-G72NIAKZGQEVHZBY9ISS/DSC07644.jpg Blog - 100 W Solder Fume Extractor Review - Empty fume extractor This is the inside of the fume extractor without the filters. The plate at the bottom is removable. The filtered air goes under the plate and then sucked out by a centrifugal fan. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024978829-KUHBJRAT59PB039Q82J5/DSC07641.jpg Blog - 100 W Solder Fume Extractor Review - Orifice towards the centrifugal fan The blades of the centrifugal fan can be seen on this image. The filtered air exits through this hole and then pushed towards the bottom of the fume extractor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024977273-QRNIHEFOG4FE6CULL5IC/DSC07639.jpg Blog - 100 W Solder Fume Extractor Review - Bottom of the fume extractor This is what we can see with the bottom plate removed from the fume extractor. The backside of the centrifugal fan, the controlling electronics and some sound absorbing foam. The centrifugal fan blows the air out towards the foam. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1720024977326-G6IFMIOKZWAII86QMB93/DSC07638.jpg Blog - 100 W Solder Fume Extractor Review - Controlling electronics This circuit is responsible for controlling the fan at 3 different speeds. There's a button on the front panel which switches the fume extractor between 4 states: OFF-LOW-MED-HIGH. https://curiousscientist.tech/blog/a-simple-3d-printable-transistor-can-opener monthly 0.5 2025-08-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867157032-1AZB9HN59OEDN9QHKTQH/DSC07624.jpg Blog - A simple 3d-printable transistor “can opener” - Complete can opener https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867157004-O9R0GBUX9WWGK1SEX3ZH/DSC07625.jpg Blog - A simple 3d-printable transistor “can opener” - Cutting jaw closeup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867161240-XV7AFE83XV9KXBSCQRAC/DSC07626.jpg Blog - A simple 3d-printable transistor “can opener” - Back side of the can opener https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867162036-G4HU1QFCWSTDJAJP0WKN/DSC07627.jpg Blog - A simple 3d-printable transistor “can opener” - Another perspective of the cutting side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867165021-9EVC07R8BLOR6D7UD45F/DSC07628.jpg Blog - A simple 3d-printable transistor “can opener” - A TO can transistor between the wheels https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867165897-M1WOFLENXRM863QOUBMS/DSC07629.jpg Blog - A simple 3d-printable transistor “can opener” - TO can closeup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867168584-KTFQFDCE9BNATI4PVLM4/DSC07630.jpg Blog - A simple 3d-printable transistor “can opener” - TO can closeup from another perspective https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719867169390-NQL23HI96F9DKIEMMAU8/DSC07631.jpg Blog - A simple 3d-printable transistor “can opener” - Final result https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719936770395-JRL5VKNAKMOXLT7UW9PQ/DSC07632.jpg Blog - A simple 3d-printable transistor “can opener” - Thicker variant https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719936702297-E4Y336O9P5OI8ZT6JLFU/DSC07633.jpg Blog - A simple 3d-printable transistor “can opener” https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719936770174-JG7D28QOKWFUW1TY6YYU/DSC07633.jpg Blog - A simple 3d-printable transistor “can opener” - Side by side comparison The first iteration is at the bottom and the thicker version is at the top. https://curiousscientist.tech/blog/rp2040-ads1256-gpio-finished monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719604091836-F9XRYEJ4NPTKLFFDC6TS/DSC07611_compressed.jpg Blog - ADS1256-RP2040 circuit with GPIO front panel - Finished! - Readings of a voltage divider The 4 different outputs of a voltage divider are displayed on a 128x64 LCD. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719604094940-5R7E57UBLDIP70ICTU2W/DSC07616_compressed.jpg Blog - ADS1256-RP2040 circuit with GPIO front panel - Finished! - GPIO Front Panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719604090445-0EGYZKGU5U6SMIAQFIEO/DSC07617_compressed.jpg Blog - ADS1256-RP2040 circuit with GPIO front panel - Finished! - Soldering closeup No short circuit! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719604090691-A87OR8EK65CKNEID7J9J/DSC07600_compressed.jpg Blog - ADS1256-RP2040 circuit with GPIO front panel - Finished! - Front panel rear side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719604092365-WQU19IPMRK30KHT6K3IS/DSC07613_compressed.jpg Blog - ADS1256-RP2040 circuit with GPIO front panel - Finished! - Side view https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719604093047-A6SVLWRXIQ9BS8EMJ48D/DSC07614_compressed.jpg Blog - ADS1256-RP2040 circuit with GPIO front panel - Finished! - Bottom view A 15-pin and a 13-pin terminal are attached to the bottom of the PCB. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719604093971-609Z5NNBDHTH5D9CDGYI/DSC07615_compressed.jpg Blog - ADS1256-RP2040 circuit with GPIO front panel - Finished! - Another bottom view A neat wiring. https://curiousscientist.tech/blog/modding-my-linkmicro-digital-microscope monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047003173-MUW4Q76QOQM8F4SV5AOL/R0001567_compressed.jpg Blog - Modding my LinkMicro digital microscope - The microscope before the modding https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047004144-CJAU0BC2GH2HK33PGF96/R0001569_compressed.jpg Blog - Modding my LinkMicro digital microscope - "Hinge" https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047004401-HL2DIT1WNB7GGI0VZXXQ/R0001571_compressed.jpg Blog - Modding my LinkMicro digital microscope - X-Y and fine Z adjusting knobs and screws https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047005205-A1VZPQGA4J58BVD6BVBE/R0001572_compressed.jpg Blog - Modding my LinkMicro digital microscope - Adjusting bits https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047005506-5SYOHNXXJOWLZCR2ZZWU/R0001574_compressed.jpg Blog - Modding my LinkMicro digital microscope - Microscope after the modding https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047006421-Z81VYPD9OP0JUECYVRV5/R0001575_compressed.jpg Blog - Modding my LinkMicro digital microscope - Another perspective https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047006639-B2YSGC21VP96GW6R563Y/R0001576_compressed.jpg Blog - Modding my LinkMicro digital microscope - Rear view https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047003132-YJUKTT1IG96QOVW1RH3T/R0001580_compressed.jpg Blog - Modding my LinkMicro digital microscope - Crosshead seat for the microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047007540-H4JIAPR4F2T5KWLQYH81/R0001577_compressed.jpg Blog - Modding my LinkMicro digital microscope - Crosshead rear view https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047007576-ELDYQ29BJPXKNBIQA6JY/R0001578_compressed.jpg Blog - Modding my LinkMicro digital microscope - Handwheel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1719047008647-BF1KRJ332381WARX73KN/R0001579_compressed.jpg Blog - Modding my LinkMicro digital microscope - Bearing block for the lead screw https://curiousscientist.tech/blog/xyz-motorized-metallurgical-microscope-finished monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716761491103-96AK4PREKMZGD01CSJVD/20240525_213624_compressed.jpg Blog - How I Automated My Metallurgical Microscope - Top view, open enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716761493328-KNAX7YUD4PUQD9N8KNO5/20240525_213702_compressed.jpg Blog - How I Automated My Metallurgical Microscope - A little modding Due to the built-in limit switches in the motorized stage, I had to add pull-up resistors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716761492003-8146TJU9U573SAOVBGQG/20240525_214909_compressed.jpg Blog - How I Automated My Metallurgical Microscope - Enclosure with 3d-printed front panel Everything sits nicely. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716761492210-53Q2IZVV76WSYM5WUF8V/20240525_213818_compressed.jpg Blog - How I Automated My Metallurgical Microscope - Controls 3 buttons, 2 ON-ON-ON switches, an RGB LED. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716761492972-XHPW7P7URQHHT73LYC7Q/20240525_213811_compressed.jpg Blog - How I Automated My Metallurgical Microscope - Front panel closeup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716837499219-L2504DX7MDWUS1MDG4IX/20240527_211513_compressed.jpg Blog - How I Automated My Metallurgical Microscope - Boot up display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716837501014-MBDZWNPYTOBOVTCMS0DB/20240527_211515_compressed.jpg Blog - How I Automated My Metallurgical Microscope - Display shown while the joystick axes are calibrated https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716837499116-H8Y5628Q2W9528ZQPR3H/20240527_211505_compressed.jpg Blog - How I Automated My Metallurgical Microscope - Main display during operation https://curiousscientist.tech/blog/n20-miniature-geared-motor-with-as5600-encoder monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716316464097-22DBL42TFB6NU610ZRQH/n20GearedMotor_rightAngle.jpg Blog - N20 miniature geared motor with AS5600 encoder - N20 miniature geared motor This one is with a gear box that has a right angle shaft. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716316464106-16TYJH2FP600XIOGHKTL/DSC06759.jpg Blog - N20 miniature geared motor with AS5600 encoder - Placing the magnet on the shaft https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716316465590-GTX8VO7AKPI0670IJQKI/DSC06750.jpg Blog - N20 miniature geared motor with AS5600 encoder - Custom-designed bracket for the AS5600 encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716316465858-WSNG0YGMD3HQB0YF50UL/DSC06749.jpg Blog - N20 miniature geared motor with AS5600 encoder - The bracket from another perspective https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716316467213-9750Y7E0VXYZTSVNAKYK/DSC06754.jpg Blog - N20 miniature geared motor with AS5600 encoder - Side view The gap between the magnet and the sensor is somewhere around 1.25-1.5 mm https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716316467500-FFNZZSPK4K03F23SITW5/DSC06751.jpg Blog - N20 miniature geared motor with AS5600 encoder - Sensor side I added small groves so the components on the sensor's PCB don't hit anything. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716316468937-V9P24CMS1HYWMIIO8BWM/DSC06756.jpg Blog - N20 miniature geared motor with AS5600 encoder - Scale for scale For clarity, this is a metric scale! The magnet is 1 mm tall and 1 mm in diameter. https://curiousscientist.tech/blog/rp2040-ads1256-daq-board-gpio monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716153141808-PWN3LNH79ZMQ0FDBVOTZ/DSC06738.jpg Blog - RP2040-ADS1256 DAQ module with GPIOs - All three modules I built so far The bottom two units are without any GPIOs and the top is with all the available GPIOs. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716153146640-HLFMBNDUES93GQD9VUQM/DSC06726.jpg Blog - RP2040-ADS1256 DAQ module with GPIOs - Another perspective https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716153144383-9TNHXF1UCHB8PX8QO3NU/DSC06728.jpg Blog - RP2040-ADS1256 DAQ module with GPIOs - Front panel with GPIOs and USB-C connector With the additional GPIO pins, this device is a very versatile DAQ module. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716153149321-XPD9I28URVL470H78LTI/DSC06724.jpg Blog - RP2040-ADS1256 DAQ module with GPIOs - JST SH 1.0 mm connector Surprisingly, it is very easy to hand solder them, however, it is a painful process to crimp the wires for it if you don't have the best tools. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1716153151252-G40JM9W6ZVTRYQ7R32LV/DSC06721.jpg Blog - RP2040-ADS1256 DAQ module with GPIOs - GPIO pins on the bottom of the board All pins are marked, you could even skip the connectors and carefully solder the wires directly on the solder tabs. https://curiousscientist.tech/blog/rp2040-ads1256-daq-board monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/348c0c01-77db-423a-b843-775b7f7da2b2/DSC06679.jpg Blog - RP2040-ADS1256 DAQ Board - Make it stand out Latest RP2040-based ADS1256 DAQ board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257613528-T5JDEDWGHP0D38NNQ7YD/DSC06664_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - Completed board without the connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257614513-B1W7T59NVC6IH1WT6IQT/DSC06665_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - RP2040 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257614580-7AS3DVJ4I1PLG7BOIE7V/DSC06672_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - 3.3V LDO https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257615589-UYABHXJ7JZX02GT9TCZX/DSC06674_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - Oscillators, ADC, OPAMP, Reference...etc. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257615686-GAPB7699E28AY4WSPO2G/DSC06675_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - Input stage https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257613605-BS0GLQQEU0NPQXEIOV0G/DSC06687_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - Enclosure and PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257616679-5QK3S0NN2K1AC49IINZU/DSC06685_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - Connector without the screw terminals https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1712257616612-F83OXIMBFFTP7ZDHMVZ9/DSC06682_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - USB-C connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1713295791622-6NXOYBZZP0G1S8QV3LWM/DSC06697_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - PCB-based front panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1713295792523-7E6ZOBEBYLM5F7HQMVW8/DSC06698_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - PCB-based rear panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1713295791572-XBLPKRX43JYX7GZOPTG8/DSC06704_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - Front panel, mounted on the metal enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1713295793671-9B8B7POKS81RC3TX59B9/DSC06703_compressed.jpg Blog - RP2040-ADS1256 DAQ Board - Rear panel, mounted on the metal enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1713295792579-1JJV55KU4FGLM9K3VH5P/DSC06700_compressed.jpg Blog - RP2040-ADS1256 DAQ Board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1713295793384-GTXCUB7QIXXMDTJMU8W5/DSC06701_compressed.jpg Blog - RP2040-ADS1256 DAQ Board https://curiousscientist.tech/blog/xyz-motorized-metallurgical-microscope monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192777282-NND2RC6R7BN3IGGBW1H6/DSC06653_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - The full system https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192778562-71CMSQ0EFVGUVHO1GX4M/20240101_172551_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - Stage used in the project H7550T https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192779489-SL93MY0BDFSWITF8676P/20240101_172608_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - 25-pin D-sub connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192781229-ZNSDXSQLOPMOS4LDDJ58/20240101_172640_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - Cable 25-pin D-sub to 15-pin high-density D-sub https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192782120-W8ZY9M3LHSMZUCJEMFVP/20240101_221954_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - Behind the 25-pin connector You can see the teflon-coated lead screw, the limit switches and many more. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192784266-LI5P21IV36UIJY2SKO6G/20240106_223533_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - 3D printed adapter Sitting on the base. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192783569-YJCPCPJ7YFXWZNT0UYJI/DSC06621_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - Test system with 3 free-standing stepper motors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1710192784634-S7FHPKLDW74YKEF73U5K/DSC06623_compressed.jpg Blog - XYZ Motorized Metallurgical Microscope - PCB used in the project https://curiousscientist.tech/blog/high-performance-3-axis-stepper-motor-control-board monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5e3bfe12-6e59-4a4b-9b8f-2e2823b426da/DSC06623.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out Fully assembled board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/577535ef-f030-4bbd-8e86-a13316841eba/DSC06629.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out Teensy 4.0 microcontroller https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7f9ffb82-a529-445e-919c-34eee759198f/DSC06628.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out TMC429 Ramp generator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bf958146-91c4-422d-8ab4-844e32e685f8/DSC06641.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out Knockoff TMC2209 R7 resistor at its default position, UART can be accessed on pin 13. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/338ab5d2-216c-44f1-8d7d-2bc846eb1974/DSC06642.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out Knockoff TMC2209 R7 resistor at its alternative position, UART can be accessed on pin 12. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/329f0176-b608-46d2-86d4-875bb1763bf5/DSC06640.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out Original Trinamic TMC2209 “SilentStepStick” The three solder tabs are untouched, UART is unavailable. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5978991d-0a7b-4e8f-a70f-d7c72996f262/DSC06650.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out Original Trinamic TMC2209 “SilentStepStick” The centre solder tab connects the UART to pin 12. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3021ba6d-bc36-4153-a0fd-e5c174f09a4d/TMC2209_modules.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out Pin layout of the SilentStepStick (left) and the knockoff (right) TMC2209 modules. One key difference is that the motor pins are mirrored, so while one driver will the motor clockwise, the other will drive it counter-clockwise with the same code. Another difference is that the knockoff module has a CLK pin available. This is unused in the application. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a310cd44-8a72-449c-9669-684a1e34f5c0/DSC06632.jpg Blog - High-performance 3-axis stepper motor control board - Make it stand out PCF8574 GPIO expander https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502521492-82SQLB5WPNQHB698CUKB/DSC06623.jpg Blog - High-performance 3-axis stepper motor control board - Fully populated board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502525117-F2T60X6V7ZVXDFLJ9RYE/DSC06637.jpg Blog - High-performance 3-axis stepper motor control board - Board without the modules https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502519633-R05Q28SOM1S7XTVE2WG9/DSC06638.jpg Blog - High-performance 3-axis stepper motor control board - Empty PCB, top side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502519731-0O8PV3VVH8EZC7X7E6ZB/DSC06639.jpg Blog - High-performance 3-axis stepper motor control board - Empty PCB, bottom side “Fun” fact: There is a tiny mistake on the PCB, the i2c traces are swapped. This mistake is of course fixed in the published PCB. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502521544-Q3PM8QWUY8E43PGSMQK2/DSC06624.jpg Blog - High-performance 3-axis stepper motor control board - 3 drivers for the X, Y and Z axes. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502523415-1RDW26243J9XMC43ZRYD/DSC06625.jpg Blog - High-performance 3-axis stepper motor control board - Modules and pins for different functions https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502523285-XD0LEULTLI3KC1JVI7MU/DSC06626.jpg Blog - High-performance 3-axis stepper motor control board - Pins for the mode and axis selection switches https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709506695425-0M96OYBGKXS55VFND3W5/DSC06634.jpg Blog - High-performance 3-axis stepper motor control board - ON-ON-ON switch For selecting the operation mode and axis. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709506698437-PLVH6JSEHY68FANME2VO/DSC06647.jpg Blog - High-performance 3-axis stepper motor control board - Wiring of the ON-ON-ON switch One of the green, white or yellow wires are always shorted to the black wire, depending on the state of the switch. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709502524950-4TB3BQ77210A2253JCSJ/DSC06627.jpg Blog - High-performance 3-axis stepper motor control board - Pins for the joystick axes and buttons https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709506697078-EUR77U0BZY3NLES3LO98/DSC06645.jpg Blog - High-performance 3-axis stepper motor control board - 3-axis joystick https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709506696648-XT12WMKKRG8SZIOEVH0L/DSC06635.jpg Blog - High-performance 3-axis stepper motor control board - Button For moving the stepper motor with buttons. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1709506695272-QJ00GR5Z65PSQF0YNBND/DSC06633.jpg Blog - High-performance 3-axis stepper motor control board - MP2315-based voltage regulator It is capable to provide up to 3 A current. https://curiousscientist.tech/blog/cs1237-24-bit-ad-converter-with-arduino monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/39cfca69-09a9-47ae-9608-04c10a6643b4/CS1237_DemoCircuit.jpg Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out “Test rig” for the CS1237 24-bit ADC. I used this simple circuit to develop the code for the chip. I picked an RP2040 Zero as the microcontroller due to its small footprint and its relevance for future projects. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c45037c7-4f43-4e55-8397-b816154552e2/CS1237_continuous_acquisition.png Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out Timing of the shifting out of the 24-bit conversion. MSB shifted out first. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cbfdf340-ab51-4f9a-96e3-d50b8fc83cb0/cs1237_config_read.png Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out Timing of the acquisition and the reading of the config register. Notice that the input and output texts in the parentheses next to the DRDY texts represent the behaviour of the DRDY pin on the CS1237 chip! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6ad87452-4dc3-4fae-9e40-ed18fe792d5f/CS1231_logicAn_READ.png Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out A read request being sent to the CS1237. The signal is recorded by a logic analyzer. First, the 24-bits are shifted out. Then 3+2 dummy pulses are generated. Then the binary equivalent of 0x56 (read command) is shifted in. Then after the single clock pulse, the answer (content of the config register) is shifted out. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dc868208-62b6-405a-a422-9bb8ad3045ee/cs1237_config_write.png Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out Timing of the acquisition and the reading of the config register. During the whole operation, up until the 46th pulse, the DOUT/DRDY pin stays output on the microcontroller. First we send the write command, then we send the data to the config register. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c9cf2cfc-86e8-40c6-89ae-c051267154cc/CS1231_logicAn_WRITE.png Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out A write request being sent to the CS1237. The signal is recorded by a logic analyzer. First, the 24-bits are shifted out. Then 3+2 dummy pulses are generated. Then the binary equivalent of 0x65 (write command) is shifted in. Then after the single clock pulse, the new content of the config register is shifted in. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/89832c75-4f6f-4a4a-8d33-0475ce7752b4/CS1237Module.jpg Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out One of the CS1237 modules I own. The gap at R5 can be shorted with a blob of solder or with an 0 Ohm resistor to provide the internal reference for the chip. However, and LM285 provides it in this case. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c0c965ed-ae33-425c-bd8c-395c4b561db1/CS1237_v2.jpg Blog - CS1237 24-bit AD Converter with Arduino - Make it stand out An alternative version of the CS1237 module. According to the datasheet, the onboard voltage reference chip is a TL431. https://curiousscientist.tech/blog/stepper-motor-developing-platform-pid monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1700517005758-DI11J6ZQW7VY63TTZ95C/DSC06105_compressed.jpg Blog - Stepper motor PID control using a TMC2209 and AS5600 - Complete board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3dd7d1c1-3654-4296-b2dd-93db96cc48a9/DSC06094_compressed.jpg Blog - Stepper motor PID control using a TMC2209 and AS5600 - AS5600 magnetic encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/40057805-4d48-4164-823c-b5d031467e2d/TMC2209_driver.jpg Blog - Stepper motor PID control using a TMC2209 and AS5600 - TMC2209 stepper motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4c7a8ad9-c29d-4641-a488-1a8b155244f1/DSC06108_compressed.jpg Blog - Stepper motor PID control using a TMC2209 and AS5600 - STM32F401CCU6 microcontroller https://curiousscientist.tech/blog/camera-adapters-for-my-metallurgical-microscope monthly 0.5 2024-01-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007342519-AG8XE6MOLZEVNQ1MZXWD/R0001323.jpg Blog - Camera adapters for my metallurgical microscope - T2-NEX adapter on the Sony A6000 Click on the image to open the affiliate link for this specific adapter! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007330864-TBW8ZP4LTMHW9BQQATW5/DSC06236.jpg Blog - Camera adapters for my metallurgical microscope - 0.01 mm / div scale with the T2-NEX adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007333332-ZEE05KP3WQZIUYZ9S97A/DSC06239.jpg Blog - Camera adapters for my metallurgical microscope - A silicone die with the T2-NEX adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007342516-335RL7QU4ZDF95L7WBI0/R0001324.jpg Blog - Camera adapters for my metallurgical microscope - NDPL-1(2X) adapter on the Sony A6000 Click on the image to open the affiliate link for this specific adapter! Please notice that with this adapter, you need an additional T2-NEX adapter. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007329480-JW1JV5U1DIW0BPGEOXRT/DSC06235.jpg Blog - Camera adapters for my metallurgical microscope - 0.01 mm / div scale with the NDPL-1(2X) adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007332690-ZQJ9DNQDR1FAQM3WWSWW/DSC06238.jpg Blog - Camera adapters for my metallurgical microscope - A silicone die with the NDPL-1(2X) adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007344356-U6OB3YT9XOGNLELPJNIN/R0001325.jpg Blog - Camera adapters for my metallurgical microscope - T2-NEX eyepiece projection adapter on the Sony A6000 Click on the image to open the affiliate link for this specific adapter! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007329564-AAF6SC5TFIO2ZSTMA0DN/DSC06234.jpg Blog - Camera adapters for my metallurgical microscope - 0.01 mm / div scale with the T2-NEX eyepiece projection adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705007331531-W0NOE6191ORKSCMLKGDK/DSC06237.jpg Blog - Camera adapters for my metallurgical microscope - A silicone die with the T2-NEX eyepiece projection adapter https://curiousscientist.tech/blog/stm32f070f6p6-mini-development-board-with-native-usb monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/88ace457-073c-44a0-942a-5cc9f50d8f4a/file_preferences_.jpg Blog - STM32F070F6P6 mini development board with native USB - Make it stand out Preferences window https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e7a19f97-e9a2-4ad1-a3ec-451db1bcccd6/preferences_additionalBoards_.jpg Blog - STM32F070F6P6 mini development board with native USB - Make it stand out List of additional boards manager URLs. The relevant link is highlighted. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1d46a2e4-1d62-4376-b345-176ba37fb4c0/tools_boardsmanager_.jpg Blog - STM32F070F6P6 mini development board with native USB - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920151012-HPZVKP05U8EZNFPU7R06/DSC06233_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920151062-8KDRLI6YAH41CPOP427C/DSC06225_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920152230-BUSHZ6B626L2YAH4TZEO/DSC06226_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920152232-LKB5V1QJSE7L98OJAVFZ/DSC06227_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920153310-J9LIUOCUQTX3WR6N97V5/DSC06228_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920153435-ASJIUTV86ZKO0MN2OHCT/DSC06229_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920154456-6EK13STE89WSXX78HL97/DSC06230_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920154433-R9WEYSS2080A25FCMAL9/DSC06231_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1704920155342-49QW3D13HBJ2THO99PQU/DSC06232_compressed.jpg Blog - STM32F070F6P6 mini development board with native USB https://curiousscientist.tech/blog/updates-to-the-ads1256-arduino-library-and-daq-module monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fdec806e-7efb-436c-8c36-5dcedf107ae6/ADS1256_library.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Make it stand out The one and only ADS1256 library in the official Arduino Library Manager https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/223609d1-d9ac-4b48-b538-8931dad30167/20231216_130806.00_24_01_02.Still002_compressed.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Make it stand out USB4105-GF-A connector on my ADS1256 DAQ board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c7ab91e2-472d-4985-adef-740833c3fcaa/usb-c_PCB.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Make it stand out PCB layout https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8a1d984f-5dd0-4a31-8d93-8494046c4af9/usb-c_data_via.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Make it stand out Via settings https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7a4f7506-f136-45bf-aa4c-b5697df8183a/usb-c_SCH.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Make it stand out Schematics https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757046856-ZD11KE1K34J4CZ882YBM/DSC06186.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757055571-O98HZG4Y49OID3X5ZR6I/DSC06183.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757046692-8TF0HBX9ZDO13SCIM9CV/DSC06174.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757050439-TQB02W5OJFNEZU17DT5R/DSC06175.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757049122-59DIEQV3EPEFS7GYVHJT/DSC06176.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757051362-13ER4PKMJWW233RWGCJO/DSC06177.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757053465-5BHUEPPXB7DMNNC3I7IA/DSC06178.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757053550-V1FFYBZQ5MP6S13NV4ET/DSC06179.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702757055768-KSTU0Y49W1AREZL5MRTQ/DSC06181.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702832209415-B2SR5IPTEJFS4Z4VCNBK/20231217_174306_compressed.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - 3d printed enclosure The enclosure consists of a top and a bottom part. The top part has a few holes so the user can access the pins and the reset button. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702832209161-T97G3MPHXJSC0VDUDYA9/20231217_174321_compressed.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Front view Snug fit around the terminal https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702832208352-NRZYBN80CZNRRMY31JZB/20231217_174343_compressed.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Back view Good access to the USB-c connector. I tested it with multiple cables. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702832208475-3C245133KPPBERP7REY1/20231217_174432_compressed.jpg Blog - Updates to the ADS1256 Arduino library and DAQ module - Bottom view I chamfered the holes, so the M3 countersink bolts sit nicely in the bottom of the enclosure. https://curiousscientist.tech/blog/building-a-20x20-cm-desktop-cloud-chamber-part-2 monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c747bd40-6c6f-473c-b7e3-e2e47ff5291c/coldplate_200x200mm.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out 20 cm x 20 cm plate with all the 8 mounting holes. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e94eb061-1a14-4c7e-a2f9-f0d4acfce001/coldplate_M4_drill_tap.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out M4 combination tap bit with one of the threaded holes. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3dcf7b3c-495c-4df3-b04d-fc9109d2f6e3/coldplate_peltier19006.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out TEC2-19006 on the cold plate. The bottom left corner is cracked but it is still operable. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/07f2675d-e33b-469d-a55c-bcbc6a94b9a2/20231204_215602_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out Cold plate sitting in its frame. Pipes and cables are installed, but the second layer of insulation is not yet added. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d1ffb09d-d745-47eb-a559-40c434369ad4/20231204_220458_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out Cold plate sitting in its frame. The white material is a polyester wadding typically used in plush toys and winter jackets. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/632f7bf7-cbe5-4315-8984-3ca6a852a3a9/20231204_225010_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out Acrylic water reservoirs. Each cooling block has its own pump, water tank and radiator. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/65fb3a47-3b3f-4d58-8649-925ce133a83c/20231213_222753_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out 240 mm radiators with the Arctic Cooling P12 Max fans. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/43778904-e8d5-4136-bf90-302a89c56124/20231211_201830_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out Power distribution. The bottom DC-DC converter provides power for the auxiliary devices such as the pumps and fans and the LED strip and the top two DC-DC converters provide power for the Peltier coolers (1 converter serves 2 Peltier coolers). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e4cf8b04-107b-43bd-b112-8134cecc8908/Electrical_Schematics_PeltierCloudchamber.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Make it stand out Schematics of the power distribution https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702504281624-SDTVC3HVNV9FTA9YYRT0/20231204_215332_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Close-up of the water pipes I simply twisted a piece of wire around the fittings to have a tight sealing. No leakage so far. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702504284855-SI11OQWN9K0JZSA90KZ6/20231204_215402_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Wago connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702504291192-U3VQATE7N7FBL6NB8XJC/20231211_201819_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Terminals of the power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702504302283-GUXCZQMKB61Z9PEJ0DM0/20231102_224148_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Back side of the cold plate The additional polyester wadding is not yet on it. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702504396986-Z9Y35DQMVTL1ZDS1C4AC/20230813_173147_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Arrangement of the Peltier coolers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702505047311-40XFIKR2BAC2FQGF7VFI/DSC06139.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Cold plate sitting in the frame https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702505047370-V1F7LIYZID0LNQLX2X66/DSC06157.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Chamber in action It is not easy to photograph the chamber due to the light conditions. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702577131980-TZEYNACXZ9YTZZBUZRA7/20231211_215029_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Cabling of the two power meters I used some M4 bolts as terminals. They work well with the spade connectors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702577201460-PPXK8DYSLVFWKMV4VZTY/20231211_222205_compressed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Front panel in action The fan blows fresh air at the heatsinks of the DC-DC converters while the two DC power meters show the relevant parameters of the two Peltier cooler-pairs. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1702505887556-Q1AGFE64JYMDLEBLDIUS/200x200mm_cloudchamber_coldPlate.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 2 - Dimensions of the cold plate https://curiousscientist.tech/blog/stepper-motor-developing-platform monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4c7a8ad9-c29d-4641-a488-1a8b155244f1/DSC06108_compressed.jpg Blog - Stepper motor developing platform - Make it stand out PCB with the STM32F401CCU6 board. One can also see the 3.3 V buck regulator part, the TMC2209 (with a blue heatsink) and the connector for the stepper motor pins. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/40057805-4d48-4164-823c-b5d031467e2d/TMC2209_driver.jpg Blog - Stepper motor developing platform - Make it stand out TMC2209 driver used in the developing platform. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3dd7d1c1-3654-4296-b2dd-93db96cc48a9/DSC06094_compressed.jpg Blog - Stepper motor developing platform - Make it stand out The AS5600 magnetic absolute encoder. It is configured to be used at 3.3 V similarly to the rest of the peripherals. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/192b8d7a-0bee-49c4-932d-b1de2c1c173b/DSC06122_compressed.jpg Blog - Stepper motor developing platform - Make it stand out Buck converter section with a 5.5x2.1 mm DC barrel jack terminal. The red jumper pin is used to separate the regulator from the rest of the circuit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b5276ace-f2e0-45c2-86d1-ee25f13c2070/DSC06117_compressed.jpg Blog - Stepper motor developing platform - Make it stand out Display and controls. The board has a 128x64 pixels graphical LCD as a display and it has 2 buttons plus a rotary encoder with a switch as controllers and inputs. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7ecd5a4f-1142-4a8e-86b6-f6565d115275/DSC06101_compressed.jpg Blog - Stepper motor developing platform - Make it stand out Limit switch connectors. The connectors are compatible with the typical mechanical limit switch modules (see below). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1700517005531-MCXYSUA835NV1AULTCEY/DSC06103_compressed.jpg Blog - Stepper motor developing platform - Whole board from the top https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1700517005758-DI11J6ZQW7VY63TTZ95C/DSC06105_compressed.jpg Blog - Stepper motor developing platform - Whole board from the bottom https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1700517006603-NVIQE776U3EILK7AQUGZ/DSC06109_compressed.jpg Blog - Stepper motor developing platform - Cable management for the stepper motor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1700517006988-A8I5PHNE09V642RMLZS0/DSC06111_compressed.jpg Blog - Stepper motor developing platform - Controls https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1700517007780-GFYYYK40DLQCMJKDVUIO/DSC06119_compressed.jpg Blog - Stepper motor developing platform - Stepper driver and its environment https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1700517008036-J6SWKQWI339Z0ROMYZE3/DSC06123_compressed.jpg Blog - Stepper motor developing platform - Another motor cables https://curiousscientist.tech/blog/rotary-encoder-module-with-schmitt-trigger monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/099ebe2a-78c1-49ad-912d-23121d3d5001/FalstadSimulaton_Encoder.gif Blog - Rotary encoder module with Schmitt trigger - Make it stand out Falstad simulation of the rotary encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e11aef2f-d280-4908-aef4-895a67bd9170/CapacitorVoltage.jpeg Blog - Rotary encoder module with Schmitt trigger - Make it stand out Charging a 100 nF capacitor through 11 kOhm resistance (10 k + 1k) with 3.3 V, then discharging the capacitor through a 1 kOhm resistor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2dfcf36c-3011-4652-9618-26e53601978e/SDS00046.png Blog - Rotary encoder module with Schmitt trigger - Make it stand out The output of the RC filter (yellow) and the output of the Schmitt trigger circuit (purple). We can see that the voltage drops to zero almost immediately and it takes about 5 ms to recharge the capacitor to the supply voltage. This is similar to the behaviour expected from the calculations (shown on the left side). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699660161349-ZDWJGR5ZRZHDAV4EG3M3/SDS00030.png Blog - Rotary encoder module with Schmitt trigger - Bouncing signal This is from a bare encoder without any auxiliary circuit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699660162068-N35A5H2WA0R1XVCQZ76N/SDS00034.png Blog - Rotary encoder module with Schmitt trigger - Clockwise rotation Yellow pulse shows up first. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699660162091-V7APDIUVZ7Z03VNY3HOC/SDS00035.png Blog - Rotary encoder module with Schmitt trigger - Counterclockwise rotation Purple pulse shows up first. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699660162909-EW8NTGC3BVSRGYMHLBWL/SDS00036.png Blog - Rotary encoder module with Schmitt trigger - RC-filtered output This signal appears on the input channel of the Schmitt trigger. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699660163693-428N5AMU5WNOMYANRTGB/SDS00038.png Blog - Rotary encoder module with Schmitt trigger - Schmitt trigger-processed output This signal will go to the encoder. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699660162880-ISXLPI4CGKTW36ROJ6UR/SDS00037.png Blog - Rotary encoder module with Schmitt trigger - Two signals overlayed https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699660161274-IBSP00OON7YHR1S4XME0/SDS00039.png Blog - Rotary encoder module with Schmitt trigger - Output of the cheap encoder module Nice, RC-filtered pulses. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651442894-I0TA4YENBF8YSFAY3G49/DSC06076_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651442044-9I3EFIVEMG7TXO2C573D/DSC06088_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651443932-K8HNNLZ2SSF5FG1NEEX8/DSC06068_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651442994-M803CHRY6DBC5RPMHJI8/DSC06070_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651443867-IGQ71ND58NQZIX7HF5F7/DSC06077_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651445980-D4W0MK9PE42HCR4NDOB0/DSC06085_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651446551-2EVMKT80KQV23XTRMFAU/DSC06086_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651442008-HH1527T9LTIVEDUP8OJQ/DSC06071_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651444703-0O6IMXM8V10A0LP3Y84B/DSC06081_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651444968-C6A3NOQEMOYJ61FO028D/DSC06080_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1699651445604-6ZSYPMT8192KVQXBUDRF/DSC06082_compressed.jpg Blog - Rotary encoder module with Schmitt trigger https://curiousscientist.tech/blog/linkmicro-lm249s-microscope-with-10-display monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1ad7d803-d6a0-44e4-b388-bae1ad6d9b30/DSC06034.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Make it stand out The assembled microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3daa1afd-1cd8-4e41-8d50-bfb64882ce83/DSC06030.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Make it stand out 4-way cable for power and controlling the LED lights https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4be39549-2062-4e64-93fd-03f6901306dd/DSC06026.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a1d9d014-14a0-4e3e-a730-002046a7739c/DSC06031.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f6b8c3b3-dbbd-4e83-9797-0b7e52d9064f/DSC06025.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698512322739-BK6VD8WFRJBIPXEKXNSG/DSC06036.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Front panel with navigation buttons https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698512329096-VJGU3QPBW1HES9W2GUB8/DSC06043.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Rear panel with connectors and SD card slot https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698512336387-QY46TWJX04Q7Q314D8BJ/DSC06044.jpg Blog - LINKMICRO LM249MS microscope with 10” display - IR remote controller https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698512334265-6EH5VAK60515LOPJ5BSO/DSC06041.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Adjusting arm https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698512321235-EDIPH6T83HX2MS0UOXU9/DSC06024.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Slide holder box It has a built-in LED light https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698512346252-YWUH4P6S2JXE8JUB0C5D/DSC06027.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Slides with different specimens They utilize lens "A” the best! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698512321088-HLCQ5CG7TKCGK5QSJIWQ/DSC06028.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Bug box https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505258676-RDS2USR8FNVAMD865CFG/2020_0501_073706_013.JPG Blog - LINKMICRO LM249MS microscope with 10” display - PCB - Crystal with its load capacitors Lens L https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505281723-ODHXHPVO2DFMUZ3EWFPD/2020_0501_075525_023.JPG Blog - LINKMICRO LM249MS microscope with 10” display - PCB - Crystal with its load capacitors Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505283526-05ZF0RFQDU59XMV411HI/2020_0501_075538_024.JPG Blog - LINKMICRO LM249MS microscope with 10” display - PCB - Random parts Lens L https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505257772-I83H141WYXYZ5I5PWJKG/2020_0501_073902_014.JPG Blog - LINKMICRO LM249MS microscope with 10” display - PCB - Strain gauge module Lens L https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505262407-3HQ146E8JMIJZ199S5R3/2020_0501_074053_015.JPG Blog - LINKMICRO LM249MS microscope with 10” display - PCB - Lilygo SIM800 module Lens L https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505267205-EZ3DOGXAK2ACHQNUBDSU/2020_0501_074547_017.JPG Blog - LINKMICRO LM249MS microscope with 10” display - TCD1201 Linear CCD Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505268383-99XPM752TSP3CIU0P5KL/2020_0501_075059_018.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Strain gauge (full bridge) Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505271704-CCQHB4T92NXDXAKSYZAE/2020_0501_075213_019.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Strain gauge (single, 350 Ohm) Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505250081-UJYL7TAWHK2897J9LLEK/2020_0501_080628_029.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Cotton swab Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505263708-YOKUBUPCAWGEKBOAJVR8/2020_0501_074323_016.JPG Blog - LINKMICRO LM249MS microscope with 10” display - TS100 soldering iron tip Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505276702-5E6DJLZNF4HYQDMGYSJZ/2020_0501_075406_021.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Stabilo Point 88 tip Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505272994-AFTHMOUC0Y294JQWKXXX/2020_0501_075340_020.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Pentel BLN75-C tip Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505250094-U62DOQBGISE52UJWIJWV/2020_0501_081824_032.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Sea salt grains Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505278488-VU95B1AH66U9WO5V6CQN/2020_0501_075438_022.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Resistor Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505286309-0BO0GBSY2O547CKNCRD6/2020_0501_075917_025.JPG Blog - LINKMICRO LM249MS microscope with 10” display - M2 nut and bolts Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505288958-OXLEPK0K58AIEWVJSX80/2020_0501_080141_026.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Pixels on a TFT LCD Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505290579-XXJG2V466T8HJISE8N3E/2020_0501_080220_027.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Pixels on a TFT LCD Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1698505294553-118BFX2GEAFKQ1D0YJJR/2020_0501_080403_028.JPG Blog - LINKMICRO LM249MS microscope with 10” display - Flat copper braid cable Lens A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5de37db9-e9be-4fbd-8ffd-d0e863be4160/DSC06049.jpg Blog - LINKMICRO LM249MS microscope with 10” display - Make it stand out “Lens A” focused on the specimen which is sitting on top of a miniature soldering (reflow) station. There is an adequate space between the lens and the object. Safe for work and safe for the microscope, too. https://curiousscientist.tech/blog/motorized-z-focus-axis-on-my-metallurgical-microscope monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d985a8c7-89fe-4e80-bab1-5c6bf20ffc2b/DSC05974.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Make it stand out Microscope’s Z-adjust knob with the 60 teeth GT2 pulley installed on it. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f22d2b27-5395-4fb4-999a-669cf5ee14c9/DSC05961.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Make it stand out 3:1 (20t:60t) gear ratio pulley wheel kit with timing belt. Notice the large (16 mm) bore on the 60 teeth pulley wheel! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/86d37d19-7292-446d-9f54-890867d32ac9/DSC05963.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Make it stand out Custom designed, 3d printed motor (NEMA17) holder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235271630-35JQVJ55HD17OKG1FDKY/DSC05959.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Original coarse focus knob of the microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235271313-PK4G2LFCQC6H9QFPQDB2/DSC05962.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - 60 teeth 2GT pulley wheel with 16 mm bore https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235272973-E6F29YKYL9RSXZRJIUQ4/DSC05965.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Custom 3d printed motor bracket https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235273071-Q8VVNTRLTKXBX39GYLEN/DSC05968.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Linear gear (rack) of the Z-axis https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235274598-5WX3LM075KF7Y7X9LY64/DSC05971.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Shaft of the focusing knob https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235274926-J2KMA1U3KQHORU0RY8HE/DSC05981.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Nicely fitted 3d printed part https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235276520-YCRKPSKRJQ171PX96SS5/DSC05984.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Mounted motor and belt without tensioning https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235278339-OYRDLPSXQBKYGSB2WC2R/DSC05996.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Full system with custom-made tensioner https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1695235290201-K8365BRPSBDAK9FX0UY6/DSC05992.jpg Blog - Motorizing the Z (focus) axis on my metallurgical microscope - Test setup with my custom stepper motor control panel https://curiousscientist.tech/blog/radical-2000x-metallurgical-microscope monthly 0.5 2023-09-12 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fb74a7c8-b89e-4c82-abb3-a57702945ffa/radical_box.jpg Blog - Radical 2000x Metallurgical Microscope - Make it stand out Package of the microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cd9e12a5-9d1c-4c6f-8038-de1eaf1d0b4c/radical_contents.jpg Blog - Radical 2000x Metallurgical Microscope - Make it stand out Contents of the package https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/19455f73-ba39-4bf7-92a0-83b019e01008/radical_2000x_microscope.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d52d6d27-9939-45e3-acfa-0297fb656457/radical_body_sideview.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5e385e50-2af2-424f-ab64-e479f4f19011/radical_stage.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/adc38c30-e443-4dd4-932e-e197b66a5939/radical_Z-screw.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/79fbef54-234c-4b0f-ba6b-38759875f69d/radical_fineZ.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8c5bbfa1-e7c5-42ef-bec4-25fa9e3b9f31/radical_trinocular.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/83458b12-e5ea-42aa-8d95-d24800c6edeb/radical_eyepiece_splitter.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/831ac59a-5f73-4360-bada-22856693560c/radical_eyepieces.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9282b5da-36cd-4fa5-8b51-12cef89f25fc/radical_lightsource.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/28c128f2-7af3-402c-b401-e2a62f322122/radical_lightsource_aperture.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1693940177817-FO7VDUFG2E8UP9IBD5E4/radical_lightsource_setScrews.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1693940177861-GN68GB8FBL047JMPLGWC/radical_bulb.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/58fc977d-6639-44c6-9e2a-3cabc157c67d/radical_PSU_side.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/93833b3f-761f-4c41-95f4-9680e44afebc/radical_objectiveDial.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5745c9ab-f128-4dad-b5f0-ba78bf678523/radical_100xObjective.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120643387-KFJPWZL1369BJ72IXZ70/DSC05867.jpg Blog - Radical 2000x Metallurgical Microscope - 2N2222 transistor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120643758-ZD0VOCETX2TTD8G9M0GY/DSC05877.jpg Blog - Radical 2000x Metallurgical Microscope - 2N5416 transistor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120646018-UP3YKFJ2O9AQ4FEYIXYT/DSC05878.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120646844-71GRD3MMU3ZGON0HKMP0/DSC05880.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120648424-3GTDIY2M96VJE38LTQXQ/DSC05881.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120649439-LJ4MNEP99CU6L2K9R0AS/DSC05885.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120650853-DSWKHXAT8ZUQGAQEXQS9/DSC05886.jpg Blog - Radical 2000x Metallurgical Microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120666473-1GTNLZY8XTM4YNANA584/DSC05866.jpg Blog - Radical 2000x Metallurgical Microscope - Conductive traces of a strain gauge https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120708090-EVRGKND1WKZYRN9YZ0WW/DSC05862-2.jpg Blog - Radical 2000x Metallurgical Microscope - TCD1201 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120707794-7534B94R55JTW15XWYP8/DSC05858.jpg Blog - Radical 2000x Metallurgical Microscope - TCD1201 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694120709810-B7QW51TES2HMJMTSA9JI/DSC05861-2.jpg Blog - Radical 2000x Metallurgical Microscope - TCD1201 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a3700d3f-7434-4068-aee4-47162cb3bbba/DSC05863.jpg Blog - Radical 2000x Metallurgical Microscope - Make it stand out Sample image with multiple “aberrations”. First, there a strong vignetting around the corners. Second, the image towards the bottom left corner is blurry, out of focus. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694191037986-AM13BT0UKGLJ6YAGHURQ/DSC05901.jpg Blog - Radical 2000x Metallurgical Microscope - 5x magnification https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694191039349-U1DLMA0A0BL59XDJOOQ9/DSC05902.jpg Blog - Radical 2000x Metallurgical Microscope - 10x magnification https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694191039414-NMA3VPG9LY9WIGM19IB1/DSC05903.jpg Blog - Radical 2000x Metallurgical Microscope - 20x magnification https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694191037678-8TYBLHSOKFJCKCJNC2TS/DSC05904.jpg Blog - Radical 2000x Metallurgical Microscope - 40x magnification https://curiousscientist.tech/blog/tcd1304-based-spectrometer-part-4 monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/baa1cc66-0de7-4b29-b517-b2aaaa62ddd9/CalibrationGraph_Spectrometer_NaLamp.jpeg Blog - TCD1304-based spectrometer - Part 4 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1693498699160-TXVZKP7RHQQ2FVMH4V3Q/Spectrum_2023-Aug-30_21-18-13.png Blog - TCD1304-based spectrometer - Part 4 - Incandescent (tungsten) light source https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1693498701189-H27E6KK7JEPA3IW4AZYU/Spectrum_2023-Aug-30_21-15-38.png Blog - TCD1304-based spectrometer - Part 4 - LED light source https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1693498699092-VSI7Q3723XUDO21WK7ZX/HighPressureSodium_Philips_Spectrum.jpg Blog - TCD1304-based spectrometer - Part 4 - Philips SON-T PIA Plus 70W Taken from the datasheet https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1693498700062-ATZF53DSW5IBSMIGPY8M/Spectrum_2023-Aug-30_20-59-40.png Blog - TCD1304-based spectrometer - Part 4 - Philips SON-T PIA Plus 70W High-pressure sodium light source https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1693499171453-NY312EC3HPI0PEJOIAYI/Spectrum_2023-Aug-30_21-08-08.png Blog - TCD1304-based spectrometer - Part 4 - Philips Genie Esaver E27 14W Fluorescent light source https://curiousscientist.tech/blog/20a-85v-dc-power-meter-improvements monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1692720661339-X0HSXBM6ME3Y6MYHRZSH/DSC05767.jpg Blog - 20 A 85 V Self-contained DC power meter - Improvements - Power meter with 3 different displays All of them are 128x64 pixel resolution displays. Left and middle are 0.96” and 1.3” OLED displays and the right one is an LCD. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1692720661725-5B0EHRK74IHVIBHYQKUT/DSC05770.jpg Blog - 20 A 85 V Self-contained DC power meter - Improvements - Three power meters https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1692720663073-9CTGWR3ZWZV6R9SW12MA/DSC05783.jpg Blog - 20 A 85 V Self-contained DC power meter - Improvements - Three power meters in action They are connected in series. The power supply feeds the left power meter which is then connected to the middle in series and so on… Notice the voltage drop between the units! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1692720663832-ZQAQ6XKGUFK1LCRP2AHW/DSC05784.jpg Blog - 20 A 85 V Self-contained DC power meter - Improvements - Old PCB Pin 1 and 2 (address pins) were accidentally left floating (NC; no connect) in the previous version. I fixed it by connecting them to the nearest GND using a tiny copper wire. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1692720665226-0TB63FCSP4HFPP7ZX66W/DSC05785.jpg Blog - 20 A 85 V Self-contained DC power meter - Improvements - New PCB The previous error is fixed. Pin 1 and 2 are connected together on the board and then they are both connected to ground. https://curiousscientist.tech/blog/desktop-cloud-chamber-part-1 monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/25c5bdd5-8ef4-41ea-91dc-ef1bfb6536d8/cloudchamber_cpucoolers.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Make it stand out 6-heatsink CPU coolers. Ideal for high-performance Peltier coolers. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dcd6a010-35b3-4a95-a7f1-f181fe99182a/cloudchamber_cpucooler_felt2.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Make it stand out CPU cooler fixed on the aluminium plate. Notice the felt pad between the mending plate and the CPU cooler, as well as the nylon washers! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/316df1f8-d3dd-4dc9-9274-de981c0f255d/powerSupplySchematics_240WColdPlate.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Make it stand out Powering schematics. In this project, I replaced the TEC1-12705 units with TEC2-19006! I just reused the image. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/819ea920-a208-48f1-bb9b-bf9de03e8b01/tec2_heke_current_vs_coldside.jpeg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Make it stand out Cold side temperature vs. current consumption. The mentioned “sweet spot” is around 5 A. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b26965bb-ee67-4ad9-be67-da851e6b3d1d/cloudchamber_exposed_test.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Test setup with the exposed cold plate https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6a9b2453-9643-448a-b5e5-5e4185d50f7c/cloudchamber_dcPowerMeter_1.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Voltage and current This is the electrical power fed to two parallel connected TEC2-19006. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/034b33b9-c592-4269-b3ae-ac305702f8ee/cloudchamber_dcPowerMeter_2.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Power and die temperature The product of the previous voltage and current. The temperature is the INA238 chip’s temperature. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/206a4149-341e-4156-b8b9-6586ecded91c/cloudchamber_felt_enclosed.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Enclosed cold plate https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/51bc3dbc-00b2-4a1e-9236-befe4dd5b515/cloudchamber_enclosed_test2.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Another perspective of the enclosed cold plate Notice the additional foam pieces between the back side of the cold plate and the CPU coolers. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e028c333-7c58-40da-af2f-7d49bc9db662/cloudchamber_ktype_TC_temperature.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Cold plate temperature -26°C cold plate temperature. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7fe487ff-275e-4900-a385-5ce4990517ed/cloudchamber_paintedColdPlate.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Painted cold plate Cold plate painted black. The 3D-printed skirt also received some extra insulation. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1689839779651-VITFMD8VJ1T9GM8N6B83/DSC05737.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Make it stand out 10-channel NTC thermistor temperature logger with SD card https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690497180914-RK8YVB246WLO3X46YBW7/DSC05755.jpg Blog - Building a 20x20 cm desktop cloud chamber - Part 1 - Make it stand out 15 A, 85 V DC Power meter https://curiousscientist.tech/blog/240w-refrigeration-plate-test monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5174c287-6c6d-4a9b-a2f8-d91e5af4f3e7/TEC12706_PerformanceChart_dt50C_compressed.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Make it stand out Graph 1 Performance charts assuming a dT = 50°C condition. If the hot side is also 50°C (cold side is 0°C), then the Peltier device is running at roughly 13.5 V and 5 A while transferring roughly 20 W heat from its cold side to the hot side. The total heat on the hot side is therefore 20 W + (13.5 V * 5 A) = 87.5 W. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/327cc67b-719e-4834-90b4-677436e68a51/TEC12706_PerformanceChart_dt50C_wattageChange_compressed.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Make it stand out Graph 2 Performance charts assuming first a dT = 50°C, then a dT = 70°C condition. At condition A, when dT = 50°C, Qc = 21 W. At condition B, when dT = 70°C, Qc = 6 W. This nicely shows the tradeoff between the minimum achievable temperature on the cold side and the cooling capacity of the Peltier cooler. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/316df1f8-d3dd-4dc9-9274-de981c0f255d/powerSupplySchematics_240WColdPlate.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Make it stand out Simplified schematics of the power supply chain. Each SZBK07 DC-DC converter feeds two Peltier coolers. The coolers are connected in parallel to the DC-DC converters, so they are at the same voltage. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690567018571-GSOROUFJTTNSI386XP8W/20230728_164013_compressed.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Power meter display The total current was 7.5 A, so each Peltier got roughly 3.75 A. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690567021290-5OTTC5YIKEKXJHTTJN2D/20230728_164150_compressed.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Test setup This test setup is with the original fans, before disassembling the device. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690567021394-8KR4KVF4OILRGCHWF572/20230728_171409_compressed.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Heatsinks Each heat sink cooled two Peltier coolers. The mounting areas of the Peltier coolers were milled flat. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690567024740-HAMM40Y4G0V5HLG4EYGW/20230728_171422_compressed.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Cold plate 4 mm thick, roughly 20x20 cm cold plate. The thickness of the insulating foam is about 2 mm. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690567024346-8R8P45A6C70TWSR8FF0E/20230728_175120_compressed.jpg Blog - Testing a 240 W Peltier cooler cooling plate - Test setup #2 This test setup utilizes the Antminer fans. I used some big heatsinks as a support to create enough space for the fans. https://curiousscientist.tech/blog/20a-85v-dc-power-meter monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477472674-KB77NGD8U5RMVND3XWEL/DSC05755.jpg Blog - 20 A 85 V self-sufficient DC power meter - Complete device The small OLED display allows using binding post terminals. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477465959-5HITXGW4CNQ5I8JFWB8G/DSC05756.jpg Blog - 20 A 85 V self-sufficient DC power meter - Bottom side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477466190-P614LUMX3CPT1MX183SH/DSC05740.jpg Blog - 20 A 85 V self-sufficient DC power meter - Front side With solder paste https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477467864-8B022582X4H3L5KVC9LS/DSC05742.jpg Blog - 20 A 85 V self-sufficient DC power meter - Solder paste close-up https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477468275-DERR2SVEO1G74EAV4E5Y/DSC05744.jpg Blog - 20 A 85 V self-sufficient DC power meter - Complete device without the terminals https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477469679-XPLUUM5VTEF8X6N2DBW0/DSC05745.jpg Blog - 20 A 85 V self-sufficient DC power meter - Complete device without the display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477470193-39677KM5FZR15Z6C16X9/DSC05747.jpg Blog - 20 A 85 V self-sufficient DC power meter - Buck converter module Allows self-sufficient operation between 3.8-32 V. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1690477471311-M7OFCTGPUGXIB0OEYQ6X/DSC05750.jpg Blog - 20 A 85 V self-sufficient DC power meter - INA238 and the shunt resistor 0.002 Ohm 5 W resistor https://curiousscientist.tech/blog/10-channel-thermistor-voltage-logger-improvements monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d2638cb5-a4ff-4264-a040-25141c0bde38/NTC_VoltageDivider.png Blog - 10-channel NTC-based temperature logger - improvements - Make it stand out Output voltage of the voltage divider with different thermistor values. Please notice that R1 is the thermistor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ef2dfbd7-5df4-4a48-b0ef-2019fcfad45f/NTC_DividerFormula_10k.png Blog - 10-channel NTC-based temperature logger - improvements - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6a720772-ce27-42a7-9c70-622ed0714a62/SH-equation.png Blog - 10-channel NTC-based temperature logger - improvements - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/64a09c39-8e62-4f18-8a92-2a84954aba6e/R_exponential.png Blog - 10-channel NTC-based temperature logger - improvements - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/76274a17-701f-4033-82d8-0811abd01dbd/thermistor_calibration_NTC.jpeg Blog - 10-channel NTC-based temperature logger - improvements - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f415671f-230d-4a79-b6d0-8a8957461fc2/vout_exponential_fitting.png Blog - 10-channel NTC-based temperature logger - improvements - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9206a790-5195-40cd-a688-85769767a6b6/Vdivider_temperature_R2.jpeg Blog - 10-channel NTC-based temperature logger - improvements - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1689839776311-X9LR6GYFOOX6KGOM081C/DSC05731.jpg Blog - 10-channel NTC-based temperature logger - improvements - Assembled device with the 10 probes https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1689839776130-26V9OFK8N2Z487Y5R1PD/DSC05733.jpg Blog - 10-channel NTC-based temperature logger - improvements - Guts https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1689839777679-QRIV5WVX3Z2N673T5CSD/DSC05734.jpg Blog - 10-channel NTC-based temperature logger - improvements - Pin connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1689839778184-2ZPZSYD11NPW97CD3ISF/DSC05735.jpg Blog - 10-channel NTC-based temperature logger - improvements - Front panel with experimental text The downloadable file does not have the text on! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1689839779651-VITFMD8VJ1T9GM8N6B83/DSC05737.jpg Blog - 10-channel NTC-based temperature logger - improvements - Measurements I heated up one of the probes a bit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1689839779651-56DYX4WC0QCEW9SGCSPS/DSC05738.jpg Blog - 10-channel NTC-based temperature logger - improvements - 10k B3950 NTC thermistor probes Probably the cheapest and least accurate kind. https://curiousscientist.tech/blog/testing-two-powerful-peltier-coolers monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0ee6978d-e807-4ad5-94e2-7cbe32f9d9ed/tec2_heke_current_vs_coldside.jpeg Blog - Testing two powerful Peltier coolers - Make it stand out Current vs. cold side temperature. Just as a comparison, I added my earlier test data of a TEC1-12706. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/633316fb-1de9-4c4d-bbc1-8b5d97cb3316/tec2_heke_power_vs_coldside.jpeg Blog - Testing two powerful Peltier coolers - Make it stand out Power vs. cold side temperature. Just as a comparison, I added my earlier test data of a TEC1-12706. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e8cd36c1-be70-4deb-9053-c2d82dd49603/pcbway_logo.jpeg Blog - Testing two powerful Peltier coolers - Make it stand out Click on the picture to sign up on PCBWay’s website https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687971975133-W5P71FGPV72GTWOVSDVO/DSC05725.jpg Blog - Testing two powerful Peltier coolers - 3D-printed clamp with a Peltier in it https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687971977451-B36GT3GG1QMQ87O8UFQT/DSC05727.jpg Blog - Testing two powerful Peltier coolers - Clamp kit with all the components https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687972001814-EJ5TVD5LP0U8POOIRI1P/20230626_214535_compressed.jpg Blog - Testing two powerful Peltier coolers - One of the test setups with a TEC2-19006 Notice the -34.5°C cold side temperature! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687972060138-W6LO95ILH820K8R4QRAZ/20230627_201924_compressed.jpg Blog - Testing two powerful Peltier coolers - Another, more neat test setup At some intermediate temperature https://curiousscientist.tech/blog/10-channel-thermistor-voltage-logger monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d2638cb5-a4ff-4264-a040-25141c0bde38/NTC_VoltageDivider.png Blog - 10-channel NTC-based temperature logger - Make it stand out Simple voltage divider in three different cases: 25°C, -15°C and 100°C. At 25°C, the thermistor has 10kOhm resistance, so the output of the voltage divider becomes half of the supply voltage (3.3 V → 1.65 V). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ef2dfbd7-5df4-4a48-b0ef-2019fcfad45f/NTC_DividerFormula_10k.png Blog - 10-channel NTC-based temperature logger - Make it stand out The general formula of the output voltage of a voltage divider with two resistors. The second part of the formula is adjusted to this case where an NTC (R1) is used in series with a 10kOhm resistor (R2) and the supply voltage is set to 3.3 V. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cb571dbb-6f06-4e35-8387-4fb67c2d1361/10NTC_Current.jpg Blog - 10-channel NTC-based temperature logger - Make it stand out 10 thermistors with their 10k resistors supplied by a single 3.3 V source. When the thermistors are at their maximum temperature (lowest resistance) the current drawn by the whole circuit is 3.233 mA. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687193898446-9PA11FERXNV5VT3IP2L5/DSC05724_compressed.jpg Blog - 10-channel NTC-based temperature logger - Complete board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687193898402-7YPV3YQF7JEEP576LTH4/DSC05717_compressed.jpg Blog - 10-channel NTC-based temperature logger - Voltage reference And also the supply voltage for the thermistors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687193899350-773O9OCZXY7OS3IQZPRL/DSC05720_compressed.jpg Blog - 10-channel NTC-based temperature logger - Front side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687193899399-H5WPHB8AMV2EW0QVGNXR/DSC05721_compressed.jpg Blog - 10-channel NTC-based temperature logger - Bottom side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687193900413-BJJUJZDC3DZ1V2M9DT69/DSC05722_compressed.jpg Blog - 10-channel NTC-based temperature logger - Board without the microcontroller board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1687193900398-RO09R3DFZU7MMTF2J6PH/DSC05723_compressed.jpg Blog - 10-channel NTC-based temperature logger - Board from another angle https://curiousscientist.tech/blog/10-channel-voltage-logger-with-lcd-and-sd-card monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ea018b6c-640e-4239-af09-5dc6118cec4e/10ch+voltmeter+sketch_stm32_LCD.jpg Blog - 10-channel voltage logger with LCD and SD card - Make it stand out Sketch of the voltage logger connections. The LCD and the SD card use two different SPI buses. The ADC channels are between pins B1 (channel 1) and A0 (channel 10). Remember, that the maximum voltage that can be directly connected to the analogue input is 3.3 V! There is also a push button in the sketch indicated with SW. The pin of the push button (B6) is high by default (INPUT_PULLUP), and when it is pressed, it goes low because B6 gets shorted to the ground. https://curiousscientist.tech/blog/strain-gauge-wheatstone-bridge-differential-amplifier-educational-device monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3f527cff-4a4c-442e-8188-586513a03645/strainGauge_HiRes169.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out A closeup photo of a typical 350 Ohm strain gauge. The cables were presoldered. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/19e63148-a34e-47f0-b752-a543beaa0469/wheatstone_formula.png Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e2d55dc8-8053-49fc-a6ff-ddb4fbf77951/wheatstone_section.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Wheatstone bridge with the Zener reference circuit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/12c1f6cc-3c8e-4dfb-b07f-61485aa742cc/wheatstone_falstad.png Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Falstad simulation of the circuit with “ideal” components. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b83f5227-bcc9-425e-9509-deada25eea9b/firstStageAmplifier_Vout.png Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d988ab02-781a-4aa1-a20f-cda3c31decd2/firstStageAmplifier_circuit.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out First stage of the amplification. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3c8d59ff-9d17-4e38-b90e-ad41f9a590c7/firstStageAmplifier_falstad.png Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Falstad simulation of the Wheatstone bridge together with the first stage of the amplifier. You can notice that the values differ a little bit as compared to the calculations, but I believe it is just due to rounding errors. And probably because the amplifier slightly loads the bridge. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e708fdc0-4197-408f-82bc-0621f77578f9/secondStageFormula.png Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/955fdd58-8953-44b8-baa5-14313ea4d31f/secondStageAmplifier_circuit.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Second stage of amplification. This part produces the final output voltage as well. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/75e18567-756f-4ccb-a659-ac118a080a86/secondStageAmplifier_falstad.png Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7a75c955-1209-42b5-95b2-87814548cbee/FullCircuit_falstad.png Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Full circuit simulated in falstad. The only “cheating” I did is that I adjusted the strain gauge resistance to 349.538 Ohm so the output of the Wheatstone bridge matches the output of the “bare” Wheatstone bridge that we calculated in the beginning. After doing this small correction, the rest of the values down the line are all correct and they line up well with the values I calculated manually using the textbook formulas. Please note that I was using the nominal values of the components from the board I reverse-engineered! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444280832-T51FC6LFRQKOEIOSG4PQ/DSC05703_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444280576-AXG1ZZP0TXO866UP7ID6/DSC05701_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444279424-JOG93U44F74U4EI61NH4/DSC05698_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444281881-R2UZJAGXHVMLC8FPRCZP/DSC05699_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444283764-3949T2EZXQBRC9002D70/DSC05693_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444282631-FLJIT7GE7K1816NUML69/DSC05695_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444279165-GTXM2B342N5GFDOP371M/DSC05692_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444282886-F84O6LUK7EPQ2XQ3T68G/DSC05694_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1682444283604-JAJ6TRPMQ2JI82EN9QHK/DSC05696_compressed.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c4a26165-f588-4336-955c-4df0d146acb7/DSC04017.jpg Blog - Strain gauge, Wheatstone bridge, differential amplifier - Educational device - Make it stand out Strain gauge module from the internet. Click on the picture to open my affiliate link. https://curiousscientist.tech/blog/vertical-attachment-for-the-focus-stacking-rail monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e8cd36c1-be70-4deb-9053-c2d82dd49603/pcbway_logo.jpeg Blog - Vertical attachment for the focus stacking rail - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1681157950253-YQDY838CAIXM20LLHH54/fullVerticalRig.jpg Blog - Vertical attachment for the focus stacking rail - Full vertical rig https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1681157948036-N7VSUZ7XKWGMWL1X2285/feetconnector.jpg Blog - Vertical attachment for the focus stacking rail - "Spine-feet" connection https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1681157951476-PFVLC2N6PMDA44S6CQDE/openClamp.jpg Blog - Vertical attachment for the focus stacking rail - Open-ended clamp https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1681157953328-J8BBCHNBYADJTHGM5PA4/closedClamp.jpg Blog - Vertical attachment for the focus stacking rail - Clamp with a "cap" https://curiousscientist.tech/blog/full-frame-digital-camera-from-scratch-part-2 monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ecad7649-0105-466b-b162-5985aa282007/20230307_174945_compressed.jpg Blog - Full frame digital camera from scratch - Part 2 - Make it stand out NEMA8 stepper motor with built-in lead screw and the 3d printed CCD holder with the nut for the lead screw. The yellow triangle-shaped piece is the nut and it comes with the stepper motor. The lead screw has a 1 mm pitch, so with 200 steps/turn (full step) microstepping, the step size is 5 micrometres. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f6a8e5d1-fd75-4cca-aa69-433d4b1477e0/camera_v4_lenstube+v11.jpg Blog - Full frame digital camera from scratch - Part 2 - Make it stand out 3D drawing of the “flange focus extension tube”. The bottom part is directly fixed on the FB09 enclosure, and the top part is screwed on the bottom part. The M42 thread and the lens are mounted on the top part. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2c16a3f4-d18c-443f-9db1-036caf50a760/scannerCamera_gif.gif Blog - Full frame digital camera from scratch - Part 2 - Make it stand out Scanning in fast-forward. The horizontal lines are caused by the compression of the GIF. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2bdcfd31-2e3f-4706-b89d-886d68648c5e/20230307_175818_compressed.jpg Blog - Full frame digital camera from scratch - Part 2 - Make it stand out 3D printed mechanism with the TCD1304 PCB installed on it. Please note that this is the first iteration of the mechanism, it does not contain the limit switches, and the rails are not yet cut to size. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ecfb48a8-6809-4741-9231-b03451139e49/20230310_205220_compressed.jpg Blog - Full frame digital camera from scratch - Part 2 - Make it stand out Full setup with the second iteration of the mechanism with the limit switches and with the rails cut to size. I did not cut the lead screw because it is not too long and I am afraid of damaging it during cutting. https://curiousscientist.tech/blog/peltier-cooler-based-cloud-chamber monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fb27c06a-e225-42c2-8c1c-ce1b35f536b9/20230227_194709_c.jpg Blog - Peltier cooler-based cloud chamber - Make it stand out Chamber with two 3d-printable parts. The bottom with the ears with holes clamps down the stack and the top holds the plastic sheets together. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6a5766b0-59b1-47f1-93e5-818b784c6e57/20230227_210247_c.jpg Blog - Peltier cooler-based cloud chamber - Make it stand out Peltier stack with TEC12715 at the bottom and TEC12703 at the top. I applied some pressure with a clamp, then removed the excess thermal grease. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0d6d604a-96dc-4a6a-b1e0-296501a723b1/20230227_212408_c.jpg Blog - Peltier cooler-based cloud chamber - Make it stand out Assembled stack with the 3d-printed clamp. The black material is a piece of black nitrile glove. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/57478cea-3927-448f-98ae-32e9db1e259c/cloudchamber_1.jpg Blog - Peltier cooler-based cloud chamber - Make it stand out Fully assembled Cloud chamber. It only needs a piece of cloth with IPA on it, and a power supply. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/86ef9a2e-dc9f-4fcc-b594-6e0f48004d72/20230227_215814_c.jpg Blog - Peltier cooler-based cloud chamber - Make it stand out Spraying alpha-particles from an Americium source removed from a fire alarm. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e8cd36c1-be70-4deb-9053-c2d82dd49603/pcbway_logo.jpeg Blog - Peltier cooler-based cloud chamber - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/precise-focus-stacking-system-stepping-mechanism monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674982285038-AF22RS1WHFZ4G8C4GLOL/DSC05254_compressed.jpg Blog - Precise focus stacking system - Stepping mechanism - The complete system https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857718753-1YZRCS7R35HK9CMAXOWS/DSC05257_compressed.jpg Blog - Precise focus stacking system - Stepping mechanism - Support bearing and coupler https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857711961-PNU33MWPMCPAQQR4O9FJ/DSC05262_compressed.jpg Blog - Precise focus stacking system - Stepping mechanism - Support bearing KFL08 bearing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857710994-MBYGERNOF7FW2U7LGLRP/DSC05260_compressed.jpg Blog - Precise focus stacking system - Stepping mechanism - Linear sliding bearing Igus Drylin RJ4JP-01-08 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857709084-V4WNX498KYEK1ZMENXTO/DSC05253_compressed.jpg Blog - Precise focus stacking system - Stepping mechanism - Complete mechanism https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429096079-TTWHZVFKNE7HZF6T2QW0/DSC05123_compressed.jpg Blog - Precise focus stacking system - Stepping mechanism - Complete PCB https://curiousscientist.tech/blog/dwin-displays-dial-indicators-and-knobs monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/49b0f333-f927-4198-abe6-2daf38e1d14b/dwin_dialgauge_circleExample.jpg Blog - DWIN Displays - Dial indicators and knobs - Make it stand out Coordinate system of the dial indicator. The 0° starts at the top of the circle and the angle increases in the clockwise direction. Keep in mind that the real angle and the “DWIN angle” has differ by a factor of two. When you enter the angle in DGUS, you have to multiply the real angle by 2. DWIN uses a unit of 0.5°. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/72041e1c-1eff-4d32-a27d-c422ddce49fe/00_dwin_dialgauge_mainPage.jpg Blog - DWIN Displays - Dial indicators and knobs - Make it stand out Background image with two dial indicators https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/05c062c3-7129-472d-98f0-5682df20e48e/dwin_dialgauge_iconrotation.jpg Blog - DWIN Displays - Dial indicators and knobs - Make it stand out Some of the relevant parameters for the needle https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7be24b6f-ce6a-4ace-bdc4-8da51289c053/dwin_dialgauge_rotationadjustment.jpg Blog - DWIN Displays - Dial indicators and knobs - Make it stand out Some of the relevant parameters for the rotation adjustment (knob) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1e1ae404-ef3d-4514-8b24-83e76a27ea44/dwin_dialgauge_controls.jpg Blog - DWIN Displays - Dial indicators and knobs - Make it stand out Display with all the fields https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674940535278-FEGE54F5F57TLHNEGJVU/DMG80480C043_02WTC.jpg Blog - DWIN Displays - Dial indicators and knobs - Make it stand out Buy the display using my affiliate link! https://curiousscientist.tech/blog/dwin-displays-simple-weather-station-project monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f59f7dff-c8dd-450a-84a4-fe5a9100f98d/numbers_float+parameters_c.jpg Blog - DWIN Displays - Simple weather station project - Make it stand out Floating point number parameters. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/99de2b8c-4c60-462a-aab4-6ddd11e75a0c/dwin_weatherstation_schematics_bb_c.jpg Blog - DWIN Displays - Simple weather station project - Make it stand out The BME280 and the CCS811 share the same i2C line (A4 - SDA and A5 - SCL), and the line is pulled up using two 4.7 kOhm resistors. The Dust sensor (GP2Y1010AU0F) requires two pins from the Arduino: a digital pin (D4) to turn the LED inside on/off and an analog pin (A3) to read the output voltage of the sensor. Please notice, that there is an almost hidden potentiometer on this sensor under the smaller hole above the right side of pin 6. This potentiometer can be used to trim the sensitivity of the sensor. https://curiousscientist.tech/blog/precise-focus-stacking-device-for-macro-photography-part-2 monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857710015-7SAEKZUC7RI7YKJR6VLF/DSC05254_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Complete system Click on the picture to get my PCB! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857709084-V4WNX498KYEK1ZMENXTO/DSC05253_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Complete mechanism https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857718753-1YZRCS7R35HK9CMAXOWS/DSC05257_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Coupling https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857710994-MBYGERNOF7FW2U7LGLRP/DSC05260_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Igus drylin linear bearing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857711961-PNU33MWPMCPAQQR4O9FJ/DSC05262_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - KFL08 bearing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857709082-XYBBGJKRVW6J2BH4RMBG/DSC05264_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Camera quick release mount With built-in water level for both axes https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/37a72db6-7637-424a-a303-4b30696eb925/DSC05560.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Make it stand out First page. Values in the cyan-coloured frames can be changed by the user. The values in the green frames are calculated by the software. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/10335271-b7fa-4f7e-891d-955adf4ca90f/DSC05559.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Make it stand out Second. page. Values in the cyan-coloured frames can be changed by the user. The values in the green frames are calculated by the software. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674857709084-V4WNX498KYEK1ZMENXTO/DSC05253_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Complete mechanism As a reference for the 3D models. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674861538104-Y2A8ZIWZO6YHA7BIY40N/fullMechanism_c.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Complete mechanism as a 3D model https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674861537965-05M1011FYS6V3XIB09A4/crosshead_c.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Crosshead highlighted https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674861540347-MAAMRXRTKYX6SKG6QQRJ/crosshead-cap_c.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Crosshead cap highlighted https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674861538998-YPJDZRLCS4VXB8CZA4RG/nema17Mount_c.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Motor mounting bracket highlighted https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674861539281-Y083SF7ARR6OD73IXF9T/railholder_c.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Rail holders highlighted https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674861540130-71AZ6NOQ0D65KZOOS7VV/quickrelease_mount_c.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Quick release adapter highlighted https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429096079-TTWHZVFKNE7HZF6T2QW0/DSC05123_compressed.jpg Blog - Precise focus stacking device for macro photography - Part 2 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/dwin-displays-setting-up-the-display monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6d373b06-af4e-4f8f-bfd5-679bef7149da/dwin_newProject_c.jpg Blog - DWIN Displays - Setting up the display - Make it stand out New project window https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9261dd80-c289-4852-952a-bfd3473db705/dwin_toolPage_c.jpg Blog - DWIN Displays - Setting up the display - Make it stand out Tool page on DWIN’s website https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/aeb37fe8-8c7d-4376-936a-2f2844e93cf8/DGUS_config_tool_wordBank_.jpg Blog - DWIN Displays - Setting up the display - Make it stand out DGUS Config tool https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4a011cb7-8c27-405d-abf5-bd0fa8d9617b/dgus_icl_c.jpg Blog - DWIN Displays - Setting up the display - Make it stand out ICL Tool page https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ce8e2eff-98e9-4a1e-a2b6-dc41647131c7/config_generator_.jpg Blog - DWIN Displays - Setting up the display - Make it stand out CFG Edit page https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4c1efbbb-ba0c-419b-a928-525ba52aea3f/dgus_fontGenerator_c.jpg Blog - DWIN Displays - Setting up the display - Make it stand out 0# word bank generating - Font generator tool https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656066066401-FQQ2HE17JQ2Q281JMA6K/commandline_formatting_c.jpg Blog - DWIN Displays - Setting up the display - Make it stand out Command prompt showing the formatting procedure. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674428004087-QXDFF7HMAEVITTIVOJU8/DMG80480C043_02WTC.jpg Blog - DWIN Displays - Setting up the display - Make it stand out Buy DWIN displays using my affiliate link to support my work! https://curiousscientist.tech/blog/dwin-displays-sending-and-receiving-numbers monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5c74a73e-1699-4400-ba3c-876b29c497dd/numbers_main+screen_c.jpg Blog - DWIN Displays - Sending and receiving numbers - Make it stand out Main page with 4 active fields. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bcced7cf-ee33-48ea-b38b-1d7c9aa85822/numbers_keyboard_c.jpg Blog - DWIN Displays - Sending and receiving numbers - Make it stand out Keypad page with the assigned buttons. The typed numbers will appear in the white textbox at the top. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d5239ecb-1b5a-4d3a-ad47-487bcf9c04d2/numbers_integer+parameters_c.jpg Blog - DWIN Displays - Sending and receiving numbers - Make it stand out Parameters I used for the integer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f59f7dff-c8dd-450a-84a4-fe5a9100f98d/numbers_float+parameters_c.jpg Blog - DWIN Displays - Sending and receiving numbers - Make it stand out Parameters I used for the float https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8a5a2d77-1393-408f-abf9-1247d7495f39/numbers_keyValue_c.jpg Blog - DWIN Displays - Sending and receiving numbers - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bcced7cf-ee33-48ea-b38b-1d7c9aa85822/numbers_keyboard_c.jpg Blog - DWIN Displays - Sending and receiving numbers - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674428004087-QXDFF7HMAEVITTIVOJU8/DMG80480C043_02WTC.jpg Blog - DWIN Displays - Sending and receiving numbers - Make it stand out Buy DWIN displays using my affiliate link to support my work! https://curiousscientist.tech/blog/dwin-displays-sending-and-receiving-text-with-arduino monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/aeb37fe8-8c7d-4376-936a-2f2844e93cf8/DGUS_config_tool_wordBank_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out DGUS config tool section - Here you can reach most of the important tools for generating different config files for the display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/343d8584-eb9b-4ca3-a6ea-a1792e61ddce/font_W_defaultfit_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out Sample letter with wrong scaling parameters https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/def14a30-77e3-4f1b-b1e6-6fff5b97a50d/font_W_adjustedfit_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out Sample letter with correct scaling parameters https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ce8e2eff-98e9-4a1e-a2b6-dc41647131c7/config_generator_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out Config generator. The most important parameter is the Touch-sensitive Variable Changes Update. It should be Auto. Also, don’t forget about the 9600 Baud Rate. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674405505792-O98LXRV4QRZF1FTBY46E/ICL_generator_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - ICL generator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674405548169-1YVG1OY28FG23SNX3XK6/00_dwin_string_background_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Main display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674405548196-H3J84RD5F2OR7H0Z5GNN/01_dwin_string_keyboard_large_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Keyboard display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dbf112ce-8db8-48b3-b703-6414a9ec44fb/keyValue0x_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out This part assigns a key value (i.e. a letter) to the touch area https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d5121872-70db-4110-841d-b5c5c97c9bf1/keyCode_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out Here you can select the keycode for the touch area https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/06e7cdaf-a872-4b9a-9fe0-c6fd6fb13b45/basicTouchModule_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c04f7ee3-e50b-417d-8e81-8b00edd901e0/touchControl_keyboardPage_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out Keyboard page with all the characters with their own individual basic touch modules and assigned parameters https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c835d78e-0028-44aa-a73b-094d6d60f8b3/input+display+area_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out This is what is shown when you click the Set button next to the Input display area. You should select only the pink area in this window. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/09515902-5916-4721-9f49-5bc112f2c032/coolterm_keyboard_.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out I typed something on the DWIN display and it appeared on the serial terminal of my PC. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1674428004087-QXDFF7HMAEVITTIVOJU8/DMG80480C043_02WTC.jpg Blog - DWIN Displays - Sending and receiving text with Arduino - Make it stand out Buy DWIN displays using my affiliate link to support my work! https://curiousscientist.tech/blog/positioning-with-the-n20-miniature-geared-dc-motors monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1673902812990-AOT7I53I34JDJBP8C1HK/DSC05235_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors - 100 mm linear actuator 100 mm long M4 threaded shaft. I added a limit switch so homing can be performed. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1673902812946-RV3162TYDNYGPUFCLLWJ/DSC05238_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1673902814485-I0S0PDSO7FOQTCNJ83V8/DSC05241_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1673902814854-U22QFO2ATW0UG37O3N05/n20_DC_100mm.jpg Blog - Positioning with the N20 miniature geared DC motors - Bare motor with 100 mm shaft https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1673902815224-P5EDI4OBV4343H7Z1XX9/n20_DC_Lshape.jpg Blog - Positioning with the N20 miniature geared DC motors - "L-shaped" arrangement https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1673902813717-WWHCFZOV80NDX73K44W3/DSC05239_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1673902813900-8FVW6CAOEQEEAJL21ES7/DSC05240_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f1419522-4063-43fc-bb22-d7a64a2414c7/MotorRail-100mm+v1_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors - 3D model sketch 100 mm frame, crosshead and clamp https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c7ad95ff-d6c4-4637-9ee4-2b5b5f4df12b/MotorRail-55mm+v1_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors - 3D model sketch 55 mm frame. (crosshead and clamp are compatible with the 100 mm frame) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4ddbb95b-a607-4fee-aba5-cf9899960ba9/N20_wiring_Arduino_tb6612_bb_compressed.jpg Blog - Positioning with the N20 miniature geared DC motors - Make it stand out The wiring is the same as I used in the video for the demonstration. All the pin connections are the same as in the source code. Make sure that you have a sufficient power supply for the motor driver. Don’t drive the motor from the 5 V pin of the Arduino, use an external power source as I did. For the rotary encoder, it is probably good enough to use the INPUT_PULLUP in the Arduino for pull-up resistors, but just to be sure, I added normal resistors as pull-up resistors for the motor’s encoder pins. Depending on which motor you use, it can happen that the motor behaves the opposite way. Just “mirror” the pins (A1 becomes A2 and A2 becomes A1…etc) or flip everything in the code. https://curiousscientist.tech/blog/precise-focus-stacking-device-for-macro-photography monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a1a3e83f-08e6-44c7-9618-05e4915c1ae6/DSC05129.jpg Blog - Precise focus stacking device for macro photography - Make it stand out The display where everything can be adjusted. Cyan fields can be modified by the user, green fields are fixed because they are filled in with the calculations’ results. The position in the menu is indicated by a red square and when a menu item is selected/active, the red square becomes green. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672430140073-14MLI98YCI428CUF5TUP/R0001278.jpg Blog - Precise focus stacking device for macro photography - The whole setup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429096079-TTWHZVFKNE7HZF6T2QW0/DSC05123_compressed.jpg Blog - Precise focus stacking device for macro photography - The whole PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429091982-VI5TX0K19PGT3RLU8PPX/DSC05130_compressed.jpg Blog - Precise focus stacking device for macro photography - DC plug, screw terminal and jumper pins https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429096689-JO33T4S4D5GIU5M1TG3O/DSC05124_compressed.jpg Blog - Precise focus stacking device for macro photography - DRV8825 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429097040-991H4K6BFD7AJGIZJACV/DSC05126_compressed.jpg Blog - Precise focus stacking device for macro photography - Some details https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429097753-MSA2NTOAXTR7RUV5WHRW/DSC05127_compressed.jpg Blog - Precise focus stacking device for macro photography - Arduino and the stepper motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672478443954-25BPTDZG068FUBSKGJ6R/R0001280.jpg Blog - Precise focus stacking device for macro photography - Bare PCB, both sides https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429095808-ZC96UH0A0TOBI1OUFGUL/DSC05047_compressed.jpg Blog - Precise focus stacking device for macro photography - Single image with shallow DOF https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672429094819-LU8KNVTCQHO22DEQ1W0A/stacked_arduinoNano_compressed.jpg Blog - Precise focus stacking device for macro photography - Stacked image, sharp overall https://curiousscientist.tech/blog/tcd1304-based-spectrometer-part-3 monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d190f1ed-556e-44ae-88cb-effa843ae4a1/Spectrum_2022-Dec-11_14-57-10.png Blog - TCD1304-based spectrometer - Part 3 - Make it stand out Green laser’s spectrum (532 nm). Nice and narrow peak. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0e791b7f-19e5-4723-8bdf-c519a2bd083d/Spectrum_2022-Dec-11_14-56-31.png Blog - TCD1304-based spectrometer - Part 3 - Make it stand out Red laser’s spectrum (650 nm). Still nice, but broader peak due to the fact that the laser shines close to the edge of the CCD. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7a2610e4-f640-4c31-8624-85daa7b5abc8/2pointCalibration_compressed.jpg Blog - TCD1304-based spectrometer - Part 3 - Make it stand out 2-point calibration curve based on the laser wavelengths and pixel values. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1670771691839-K0HBWXC45EG12BIDDJJB/whiteLEDSpectrum.png Blog - TCD1304-based spectrometer - Part 3 - White LED https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1670771692232-ZCUACG2AWCDBUZT7QVL2/redLEDSpectrum.png Blog - TCD1304-based spectrometer - Part 3 - Red LED https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1670771692357-3NFWTT245LEMTTOEGW8F/yellowLEDSpectrum.png Blog - TCD1304-based spectrometer - Part 3 - Yellow LED https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1670771691752-H2OD12DMNMOCWKLA06D7/greenLEDSpectrum.png Blog - TCD1304-based spectrometer - Part 3 - Green LED https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1670771692735-HTHKA8TEHQKIGSI9XEQC/blueLEDSpectrum.png Blog - TCD1304-based spectrometer - Part 3 - Blue LED https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672004140202-3JDEIJOQJMWUACRIZ6HH/Spectrum_2022-Dec-10_18-39-33_compressed.jpg Blog - TCD1304-based spectrometer - Part 3 - Compact fluorescence light https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672002669962-V1YEPSOP4IR825VIAPKV/20221209_223600_compressed.jpg Blog - TCD1304-based spectrometer - Part 3 - Green laser's spot on the CCD Look at the centre of the CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672002672497-DY9E0JATRACJK6FWJ58L/20221209_223618_compressed.jpg Blog - TCD1304-based spectrometer - Part 3 - Red laser's spot on the CCD Look at the right side of the CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672002887072-L3Z5Y10THLYL2G50II7V/20221211_102343_compressed.jpg Blog - TCD1304-based spectrometer - Part 3 - White LED's spectrum on the CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1672003514326-4NHKKW5D501OLRVLSHCJ/20221210_142019_compressed.jpg Blog - TCD1304-based spectrometer - Part 3 - The lid 3d printed (left) and the original (right ) lids. https://curiousscientist.tech/blog/digital-fullframe-camera-from-scratch monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558912012-85FCY3OAMVXFW671TEZ1/DSC04633_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Make it stand out My custom miniature TCD1304 PCB with driving and signal conditioning circuit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/09c916de-b0eb-42f8-bd23-6ba4a1ee64be/20220824_190943_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Make it stand out Top view of the assembled proof-of-concept build. The CCD was sliding on two 4 mm diameter steel rods. The construction worked and I could get somewhat decent pictures, but I was not satisfied with the overheating motor (yes, I took care of the driving voltage and current). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dd2a1d92-9f2b-47f0-93ca-746db6843c69/20220805_174654_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Make it stand out A little better view from behind. You can see that I have also printed a new plastic “thing” that is attached to the nut on the threaded rod. That plastic piece grabs the CCD holder and drags it with itself. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3d864348-8e55-4f4a-8a7f-adfcd2410085/DSC03817_compressed.jpg Blog - Full-frame digital camera from scratch - Part 1 - Make it stand out The miniature linear guide with a stepper motor used for the first attempts. (Affiliate link under Parts&Tools section) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7cc9c47f-ab99-4dc5-a9c2-7b11158b4c3d/tcd1304Camera_1stPicture.JPG Blog - Full-frame digital camera from scratch - Part 1 - Make it stand out One of the first successful images taken by the camera. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078646354-YYZD36DH9VCCWYF1V1AK/20221028_173228_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Back panel of the camera Fitted for a “Future Box FB09” plastic enclosure. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078645261-2SNSNZNCAFID3Z186RZ1/20221028_173213_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - 3D printed lens mount It also has a 35 mm x 24 mm frame “built-in”. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078646354-M9J0ZROV7O5TBMAQ9RGT/20221028_175558_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Lens mount mounted on the enclosure The masking tape is still on the enclosure. I used it to avoid scratches and to make marking distances easier. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078645180-HXCQBEO4US84EFCJSJUP/20221026_195219_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Mechanism Miniature linear rail and lead screw for moving the CCD. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078647407-NPFDJDLI9RWM1E2BDDEX/20221028_181501_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Mounted on the plate The mechanism is bolted on the plastic back plate. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078648147-6PANHSEFUUNZ3L8CCT99/20221028_182120_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Mechanism closeup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078648242-ATYZ4PTAV3HEI8T131LR/20221028_182750_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Lens mount with M42 thread I did not need the bolts because the printing came out a bit too tight, so it is mounted as a shrink fit. The thread is salvaged from a Zenit-E SLR camera. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078648804-Z7CLYE6NEFZYSM32XKFJ/20221028_183024_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Pentacon 2.8-29 lens A nice full-frame lens from the old times. It still moves super smoothly. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078649193-CYYK6F9Q732ZRG1215WS/20221028_223012_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - Electronics I made a prototype board for the microcontroller and connected everything together. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667078649471-JB9T3BDGLQ5Z4AM9G4VP/20221028_223438_c.jpg Blog - Full-frame digital camera from scratch - Part 1 - The whole system These are the components of the prototype system. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1669579643679-3F1AUF6LFVNR5PTVPPC1/demo_1st_image_compressed.jpg Blog - Full-frame digital camera from scratch - Part 1 - First image taken in the video Bad focus and a little too dark perhaps. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1669579643805-5S2JADU5HB6QM762CAKV/demo_2nd_image_compressed.jpg Blog - Full-frame digital camera from scratch - Part 1 - Second image taken in the video Better brightness, worse focus. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1669579644278-Y5W2FUV5P1RA8YU43UVZ/demo_3rd_image_compressed.jpg Blog - Full-frame digital camera from scratch - Part 1 - Third image taken in the video Almost nailed the focus, and the brightness is good. https://curiousscientist.tech/blog/workshop-tour-2022 monthly 0.5 2022-11-21 https://curiousscientist.tech/blog/pcb-weighing-scale-ver2 monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144336466-DCI29RI1QLKB9OL5R6LL/DSC04671_c.jpg Blog - PCB weighing scale - A better version - Components https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144336465-ZEPHPIS75E2VXLUNIOED/DSC04676_c.jpg Blog - PCB weighing scale - A better version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144337136-17QMP2798AJEI7T9GBE8/DSC04678_c.jpg Blog - PCB weighing scale - A better version - Ear The ear with the white rectangle acts as a cantilever beam. The strain gauge is glued in that rectangle and detects tension or compression. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144337329-NU0GYJZ7PQ3KAY0U8KPA/DSC04679_c.jpg Blog - PCB weighing scale - A better version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144337798-X35AGRRF2XAH88G81B3H/DSC04680_c.jpg Blog - PCB weighing scale - A better version - Populated board Populated but not yet reflown board. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144337988-F36FXX167IZFHW9WDMOP/DSC04682_c.jpg Blog - PCB weighing scale - A better version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144338496-GSUX8TG5Y212FG6QRP7I/DSC04683_c.jpg Blog - PCB weighing scale - A better version - Strain gauge One of the strain gauges “during installation”. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144339134-V5OCBYJWSSVXL25TYZV2/DSC04692_c.jpg Blog - PCB weighing scale - A better version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144338597-CBFWUSL7SVFOE3YU1FVC/DSC04687_c.jpg Blog - PCB weighing scale - A better version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1667144339236-OS38WHF3ILBI8LKS997T/DSC04694_c.jpg Blog - PCB weighing scale - A better version - Battery The circuit is operated by a small 380 mAh LiPo battery. I put a switch directly on the battery instead of the PCB because it is easier to use it this way. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/432bc467-7cde-452b-b25f-1d0aea82d94f/HX711_calibrationPlot.jpeg Blog - PCB weighing scale - A better version - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/pcb-weighing-scale monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902938281-7OPA1XZFDTZ54PR4IQXF/DSC04652_c.jpg Blog - Weighing scale made out of a PCB - Finished product https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902938280-T97YKBAWAJVRE39UIAKP/DSC04642_c.jpg Blog - Weighing scale made out of a PCB - Unpopulated PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902938872-HRKZC9HJIOI1BEYHC9MY/DSC04643_c.jpg Blog - Weighing scale made out of a PCB - Strain gauge pattern Approximately 290 mm long trace, but since it is made of pure copper, it has very low resistance (~1.1 Ohm). https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902938965-8TBXGNJO0S6WOHZ1OODS/DSC04644_c.jpg Blog - Weighing scale made out of a PCB - Curves https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902939443-5OFK78YVYEP9ZYQNFGIZ/DSC04645_c.jpg Blog - Weighing scale made out of a PCB - Backside of the PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902939647-QGAQDDUU3TRDAF0L8YK3/DSC04646_c.jpg Blog - Weighing scale made out of a PCB - Strain gauge https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902940221-MTCIFJ26TS9F3P62EA0A/DSC04648_c.jpg Blog - Weighing scale made out of a PCB - Still curing super glue https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902940237-NJFLW73RVL6DUU9ZE27R/DSC04649_c.jpg Blog - Weighing scale made out of a PCB - Fully populated PCB without the plastic parts https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1665902940855-QUPKWOP6ZZYGJYNUQXVQ/DSC04650_c.jpg Blog - Weighing scale made out of a PCB - LM358 opamp and its "servants" https://curiousscientist.tech/blog/reflow-hot-plate-final-assembly monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1661362695296-R22B9DC4M6D4H2XPMXUM/20220804_135741_c.jpg Blog - Custom-made reflow hot plate - Final assembly - Default reflow curve https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1661362697911-QMIK1YGC1QFQ5FQ55Z6T/20220823_202539_c.jpg Blog - Custom-made reflow hot plate - Final assembly - Reflow curve I used in the video https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1661362690603-CR1106US3GFLXC1ICMZI/20220804_135649_c.jpg Blog - Custom-made reflow hot plate - Final assembly - Grounding connection https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1661362690604-5LAAMVYPNUORJVMMWNHY/20220804_135654_c.jpg Blog - Custom-made reflow hot plate - Final assembly - Fixture for the mains cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1661362693864-ZLBQAXAYNVEM3C3XNPMU/20220804_135707_c.jpg Blog - Custom-made reflow hot plate - Final assembly - Mains terminals and the thermocouple wire https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1661362698989-8Q1R2SROND0N9XFTB4SR/20220804_135639_c.jpg Blog - Custom-made reflow hot plate - Final assembly - Cooling fans https://curiousscientist.tech/blog/tcd1304-based-spectrometer-part-2 monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558912980-80DU8GQGZWQHVLB5MPSD/DSC04627_c.jpg Blog - TCD1304-based spectrometer - Part 2 - Assembled spectrometer without the top lid https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558914858-MY283Z727Z5W65K9WF3D/DSC04628_c.jpg Blog - TCD1304-based spectrometer - Part 2 - Assembled spectrometer without the top lid https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558914446-SRZU7WFQY57CINSYNLUO/20220803_185253_c.jpg Blog - TCD1304-based spectrometer - Part 2 - Desktop setup I used these things to demonstrate the PC software. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558910010-183H2AHYYTDM3TIC2ZQM/DSC04621_c.jpg Blog - TCD1304-based spectrometer - Part 2 - Bare PCB Component side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558915107-1FFENXIHCBBL48C5X6IZ/DSC04622_c.jpg Blog - TCD1304-based spectrometer - Part 2 - Bare PCB CCD side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558910878-3UGS3TPWL86OW86W38ZN/DSC04632_c.jpg Blog - TCD1304-based spectrometer - Part 2 - Mounting headers for the CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558912012-85FCY3OAMVXFW671TEZ1/DSC04633_c.jpg Blog - TCD1304-based spectrometer - Part 2 - TCD1304 CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558914201-R70EVIN52LUJDJA05KNE/DSC04624_c.jpg Blog - TCD1304-based spectrometer - Part 2 - Components A 4.096 V reference, an OP-AMP and a few auxiliary components. https://curiousscientist.tech/blog/tcd1304-based-spectrometer-part-1 monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1658693344264-2YH6AMLJ0ABN9T6L8I52/DSC04609_c.jpg Blog - TCD1304-based spectrometer - Part 1 - Optical bench This enclosure contains all the necessary optical components: slit, collimator, diffraction grating, and focusing mirror. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1658693019653-KVAEW0ZLYX4XCMZ743ZZ/ccd_calibration_C.jpg Blog - TCD1304-based spectrometer - Part 1 - Spectra Here you can see the two calibrating peaks (green and red lasers), and the spectra of the different LEDs. You can see how broad their spectra are. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1658692950846-AS9T707KME9BIGHOY7Y1/DSC04607_c.jpg Blog - TCD1304-based spectrometer - Part 1 - CCD PCB This is the auxiliary circuit for driving and reading the CCD. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1658859241893-Z2HGFY4TNMC68SX4STOJ/DSC04610_c.jpg Blog - TCD1304-based spectrometer - Part 1 - Assembled PCB with microcontroller https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1658859247403-TUZY8XKF0OSG2BXIQKOZ/DSC04619_c.jpg Blog - TCD1304-based spectrometer - Part 1 - Front view https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1658859250439-C54LZLJMQ37OOFUV11AP/DSC04616_c.jpg Blog - TCD1304-based spectrometer - Part 1 - A little close-up https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1658859260369-SOTOKWH38LD0YQSEJN19/DSC04612_c.jpg Blog - TCD1304-based spectrometer - Part 1 - Behind the scenes Signal conditioning circuit https://curiousscientist.tech/blog/ads1256-custom-arduino-library monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595018304137-L76KGYF0KBP9VY2HLB5O/DSC03767_compressed.jpg Blog - ADS1256 - Custom Arduino Library - Make it stand out ADS1256 board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621192873-33HSQ8XZLWPMIHBVVR7I/DSC04564_c.jpg Blog - ADS1256 - Custom Arduino Library - Make it stand out Custom PCB designed and assembled by me https://curiousscientist.tech/blog/dwin-displays-and-their-programming monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656086083145-BT19J7M8748IW40NVUCX/DMG80480C070_04WTC.jpg Blog - DWIN displays and their programming - DMG80480C070_04WTC 7” display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656086097419-AHFIVK30CG12CXTUI7RG/DMG80480C043_02WTC.jpg Blog - DWIN displays and their programming - DMG80480C043_02W 4.3” display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656086083950-5GJMAI1X95T3IK5G2JUN/DSC04597.jpg Blog - DWIN displays and their programming - Back of the 4.3" display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656086088686-XJZVKQKDB39Q60C103FU/DSC04598.jpg Blog - DWIN displays and their programming - SD card slot https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656086089325-0U8HCIKEW2LG9C6YM381/DSC04599.jpg Blog - DWIN displays and their programming - Serial connectors (solder and ribbon cable) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656086093876-N89WFOBMDLSZ0X990YYT/DSC04600.jpg Blog - DWIN displays and their programming - Serial ribbon cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656086093918-3WNOLP8GR8HR2OR0XNON/DWIN_Serial.jpg Blog - DWIN displays and their programming - HDL662B USB to Serial adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fa7948e3-8b05-4f42-930d-bf400af72294/dgus_download_c.jpg Blog - DWIN displays and their programming - Make it stand out Download page on DWIN’s website - Get the driver and the DGUS V7640 software https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fa41d836-97c1-4891-ad6a-d375a73f0936/dgus_mainwindow_c.jpg Blog - DWIN displays and their programming - Make it stand out Welcome screen of the DWIN DGUS software https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4c1efbbb-ba0c-419b-a928-525ba52aea3f/dgus_fontGenerator_c.jpg Blog - DWIN displays and their programming - Make it stand out Font generator window - Select a wide character (M or W), then adjust the scale and create your font https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4a011cb7-8c27-405d-abf5-bd0fa8d9617b/dgus_icl_c.jpg Blog - DWIN displays and their programming - Make it stand out ICL Tool - This tool is used for converting images (pages) into .ICL format. Important to know that the filename of the images should start with the corresponding page numbers, e.g. 00_img.jpeg, 01_img.jpeg…etc. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/88a1c7db-0680-46bf-a52e-39b06b3e465b/dgus_variable_c.jpg Blog - DWIN displays and their programming - Make it stand out 123 Data Variable Display - it allows you to show values on the display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bc31abb0-93c7-47a1-a812-6e3630562f71/00_background_c.jpg Blog - DWIN displays and their programming - Make it stand out A background picture used as the control panel. The blue fields will accommodate numbers printed by the display, the green line will act as a slider and the dark orange/brown button will toggle an LED on or off. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e94212e7-a3e3-402d-8f7c-913227ca782d/dgus_adcParameters_c.jpg Blog - DWIN displays and their programming - Make it stand out ADC variable parameters https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a14c40f8-c56e-4494-bb6c-d9f1253868ad/dgus_sliderParameters_c.jpg Blog - DWIN displays and their programming - Make it stand out Slider variable parameters https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f2db6170-399c-4e0b-a492-589d72441998/dgus_dragAdjust_c.jpg Blog - DWIN displays and their programming - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f58936b3-e878-446f-9a7b-e3030d1c757d/dgus_sliderDrag_c.jpg Blog - DWIN displays and their programming - Make it stand out Drag adjustment - parameters for the slider https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/891a8c68-1207-4b46-925a-2fe88c798ac8/dgus_returnKeycode_c.jpg Blog - DWIN displays and their programming - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/15c7e250-c835-4ed5-a1b0-758108e5cf60/dgus_generate_c.jpg Blog - DWIN displays and their programming - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/65a171e9-1899-4047-bd81-644a6e641988/dgus_returnKeycodeParam_c.jpg Blog - DWIN displays and their programming - Make it stand out Return Key Code parameters https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/373f1371-3c9c-43c6-84e4-3835fba229fc/dgus_settings_c.jpg Blog - DWIN displays and their programming - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e0b0e427-36f9-4ea0-adee-d9497a33e4af/dgus_cfg_c.jpg Blog - DWIN displays and their programming - Make it stand out DGUS configuration editor - After choosing your settings, save the file named as T5LCFG.CFG using the “New CFG” button in the bottom right corner. Place the created CFG file in the DWIN_SET folder of your project. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656066066401-FQQ2HE17JQ2Q281JMA6K/commandline_formatting_c.jpg Blog - DWIN displays and their programming https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656066065767-FZLF579VUFCPT65EWK58/usbdrive_root_dwin_set_c.jpg Blog - DWIN displays and their programming https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656066065769-O58R1MM3Q3M14LX8FS4R/usb_dwinSetFolderContents_c.jpg Blog - DWIN displays and their programming https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/92247fc4-f6ce-4a9f-b7cb-3ac692164d58/20220624_130834_c.jpg Blog - DWIN displays and their programming - Make it stand out DWIN display during the data upload process from an SD card https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656069307507-NQ1T22AS4UDE4HV3QQM3/realterm_buttonpush_c.jpg Blog - DWIN displays and their programming - Response from the display after pressing the LED button https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656069367731-TDJSFCKO4INIP9WNBXV8/dwinSlider621_c.jpg Blog - DWIN displays and their programming - Result of touching the slider Slider value = 621 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656069308117-I1V6JT8S3IKE1WYRK35N/realterm_sliderValue_621_c.jpg Blog - DWIN displays and their programming - Value received from the display after touching the slider https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656069307517-TOI4JH3EFEJUM4VZ42C7/realterm_sendADC_987_c.jpg Blog - DWIN displays and their programming - Sending "987" to the display as the ADC value 987 decimal is 0x03 0xDB in HEX. Please notice that the text shown in the terminal is the acknowledging message. The value sent to the display is in the center text box. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1656069388550-31BSUQHMBWNHT6Y1DYXC/dwinADC987_c.jpg Blog - DWIN displays and their programming - ADC value shown after sending it to the display https://curiousscientist.tech/blog/improving-my-reflow-hot-plate monthly 0.5 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655833573263-IT8MT3OJMI5OTGH6KEKX/20220621_191833_c.jpg Blog - Improving my reflow hot plate - Mica heater with the Al plate attached https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655833597687-U1VDJ6XYXFVBNQBVBLNR/20220621_190816_c.jpg Blog - Improving my reflow hot plate - Side view at high temperature https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655833583715-RZ98ZEBXCY26EN1M2I0M/20220621_190530_c.jpg Blog - Improving my reflow hot plate - The experimental setup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655834197319-V4ZA49G6T1YY2LM2UNEG/DSC04590.jpg Blog - Improving my reflow hot plate - Thermocouple in the middle of the plate https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655834200955-2QJKVI604WOUGPMLRO3H/DSC04591.jpg Blog - Improving my reflow hot plate - Ugly and clumsy solder paste application There’s still room to improve https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655834197210-WVYIE3559VC600TH433N/DSC04593.jpg Blog - Improving my reflow hot plate - OK soldering https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655834200533-LGRGSTK743IEP5FW35FH/DSC04592.jpg Blog - Improving my reflow hot plate - Butchered soldering Too much solder paste https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d6a64d65-12f8-494f-b38e-d689db9ab7f6/micaHeater.jpg Blog - Improving my reflow hot plate - Mica heater https://curiousscientist.tech/blog/probemaster-8043sk monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e8cd36c1-be70-4deb-9053-c2d82dd49603/pcbway_logo.jpeg Blog - Probe Master 8043SK - A review - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148258524-SJ6DQ0QDIZH7GPD0J3D5/DSC04578_c.jpg Blog - Probe Master 8043SK - A review - Softie test leads https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148258727-5MTLLZFYKZO56TOMYXH5/DSC04579_c.jpg Blog - Probe Master 8043SK - A review - Right angle connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148259200-VI6EUSXNMESZE1P464FA/DSC04581_c.jpg Blog - Probe Master 8043SK - A review - Threaded and gold plated probe https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148260706-8F398578YST7PHUUCSX6/DSC04586_c.jpg Blog - Probe Master 8043SK - A review - Tip pointing at a component's pin https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148258164-JOU7E681WCVLAFWSVSX3/DSC04577_c.jpg Blog - Probe Master 8043SK - A review - Tip insulator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148259594-HRJWA8AYYTTB8UVX0PY2/DSC04582_c.jpg Blog - Probe Master 8043SK - A review - Tip insulator, mounted https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148256659-1O79NGXSEEZ98OTQZ86Y/DSC04571_c.jpg Blog - Probe Master 8043SK - A review - Spade lugs https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148257107-QPKCX52UWDXAZ50GIC7H/DSC04572_c.jpg Blog - Probe Master 8043SK - A review - Sprung hooks https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148260868-6TS41JU7D6R0S8MXU90I/DSC04587_c.jpg Blog - Probe Master 8043SK - A review - Sprung hook, opened https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148257307-TMIKKJ74QG247XBTQYYA/DSC04573_c.jpg Blog - Probe Master 8043SK - A review - Alligator clips https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148257651-PFPHVGCA7A51XJL0LNHH/DSC04574_c.jpg Blog - Probe Master 8043SK - A review - 4" extender tips https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148257800-3XTZB5I49ZUSU6PYT5US/DSC04575_c.jpg Blog - Probe Master 8043SK - A review - Wire wrap lead https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148256612-3J5RBRPI9X86XRFVHVQ5/DSC04570_c.jpg Blog - Probe Master 8043SK - A review - Pincer hooks https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148259745-7JUSF1DGHHCV6ANRZQKA/DSC04584_c.jpg Blog - Probe Master 8043SK - A review - Pincer hook, opened https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1655148260255-YD6KL7LEC3EH23RYHH7S/DSC04585_c.jpg Blog - Probe Master 8043SK - A review - Pincer hook, grabbing a wire https://curiousscientist.tech/blog/custom-ads1256-circuit-rev1 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621192873-33HSQ8XZLWPMIHBVVR7I/DSC04564_c.jpg Blog - Custom ADS1256 board - revised version - Fully assembled board You can buy it from me if you are interested, I have a few in stock. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621192038-QZRH6TITJ1NB3INVMIV8/DSC04560_c.jpg Blog - Custom ADS1256 board - revised version - Fully assembled board without the connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621192503-WR5ZTC2GU8NGIM7CSPC9/DSC04561_c.jpg Blog - Custom ADS1256 board - revised version - Bottom of the connector part https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621189135-YPPITRU082Z1H94BFFQO/DSC04569_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621190459-R3OTK4QCRDLBYRAYX8Y0/DSC04556_c.jpg Blog - Custom ADS1256 board - revised version - Main components REF5025 could also be a good choice as 2.5 V voltage reference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621191187-7ZUFM8NB3HD6DE17QRFR/DSC04557_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621189286-G7M7DSL5OZRV2HDNNBG8/DSC04554_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621190367-QWPELPI84J2V2DT3X757/DSC04555_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621193908-HJ4B0CWQGHNWEDLXR9IY/DSC04566_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621193374-URBNZCBTX6OD6RGEW8TR/DSC04565_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621191658-YC9QK7SL7MXB3GVR9W74/DSC04558_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621194383-YVQX3PKASAW3WKNILZD5/DSC04567_c.jpg Blog - Custom ADS1256 board - revised version https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1654621194795-Z2OAJ3EG538G155GHR4D/DSC04568_c.jpg Blog - Custom ADS1256 board - revised version https://curiousscientist.tech/blog/solartron-7060-6-digit-multimeter monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769426393-Z9NK1MZ9RVU9CUZJGYQO/DSC04535_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Toasted tantalum capacitors #1 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769427524-SI0GTKQSOT0K4S81I8BZ/DSC04539_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - New tantalum capacitors #1 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769427154-OHFA3DA2RAFSHJLQ2UPR/DSC04537_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Toasted tantalum capacitors #2 The released metal is also visible. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769426768-KRL0CK1OG2FIX1S9XUM5/DSC04536_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Toasted tantalum capacitors #2 A different perspective. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769429771-47A2L4F9UHVSBSL47LTT/DSC04545_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Replaced tantalum capacitors #2 Top view. The replaced capacitors can be seen towards the bottom left corner. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769428696-K494K23NRMEAJ72TX9N0/DSC04543_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Pin and socket connectors The two PCBs are connected by this very interesting pin and socket connector. Initially I had difficulties in connecting all pins perfectly and I could not start the device properly. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769428011-HT5QKHL5RV7ZJ5BY6Y38/DSC04540_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Toasted capacitors together https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769428375-LCL81NDPB0VZBA9CYZNX/DSC04542_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - RMS chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769425711-RC23WAYVWV5R2CISDZBV/DSC04533_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Some digital chips https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769425712-082NR8C4L65Y9FGIQLHO/DSC04553_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Analog part https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769429421-URZSSKGDSMSQ2TFX1N0Q/DSC04544_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Another set of chips https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1653769430414-CK5YJ46QKSCF0QGB52FW/DSC04546_c.jpg Blog - Solartron 7060 - 6½ digit multimeter - Another part of the PCB https://curiousscientist.tech/blog/custom-ads1256-circuit monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614526822-ZV20IJ08GZ2U4YE7KZ83/DSC04514_c.jpg Blog - Custom ADS1256 circuit - Top layer Top of the PCB without any solder paste or components. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614533416-CEBS9L52SF9SXTY9MCYT/DSC04515_c.jpg Blog - Custom ADS1256 circuit - Bottom layer Bottom of the PCB. I decided to print the pin names on the bottom as well. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614548819-YIQNQH1RVKMW2NGTJQBT/DSC04519_c.jpg Blog - Custom ADS1256 circuit - Board with solder paste and components Ready for soldering. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614552319-599W72HAK58E8MXP6803/DSC04520_c.jpg Blog - Custom ADS1256 circuit - Short circuit Short circuit between some of the pins of the ATmega32U4 microcontroller. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614554878-JHNBMSRH2XUFJL8PB6BW/DSC04521_c.jpg Blog - Custom ADS1256 circuit - Short circuit II Short circuit between some of the pins of the ADS1256 AD converter. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614564094-C0MGFQ1YB2XMREFQ1P9G/DSC04524_c.jpg Blog - Custom ADS1256 circuit - Assembled board Everything is soldered, fixed. I also installed jumper pins for the MCU and added the bulky dual screw terminal https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614559805-DS64UJVI5X12K29QWM1Z/DSC04523_c.jpg Blog - Custom ADS1256 circuit - Screw terminal This is one of my greatest find on Aliexpress in my opinion. I really like this terminal. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614568295-MF0AK9XH86ICCILKSK6A/DSC04527_c.jpg Blog - Custom ADS1256 circuit - Bug fix This is how I solved the missing ground connection. It works. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614572559-2K2G772MSJ2OI6KS55HZ/DSC04528_c.jpg Blog - Custom ADS1256 circuit - MCU after cleanup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614576661-0BOGFIMHA2OAMW7EHXPY/DSC04529_c.jpg Blog - Custom ADS1256 circuit - ADC after cleanup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614582997-CS7KRNW5IJ3KKBEEJDQX/DSC04531_c.jpg Blog - Custom ADS1256 circuit - Voltage reference components A good old OPA350 OP-amp and an ADR431 (2.5 V) voltage reference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652614586689-KLOL0G86W8QIXIS5DVTM/DSC04532_c.jpg Blog - Custom ADS1256 circuit - MCU after more torturing A lot of burnt flux residue… https://curiousscientist.tech/blog/custom-reflow-hot-plate-demo-and-coding monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652016296370-D6K8OCJWRCH5CRYLF05N/DSC04505_compressed.jpg Blog - Custom reflow hot plate - Demo and coding - Second PCB This is the second assembled PCB. Unlike for the previous PCB, here I directly soldered the LCD and the rotary encoder module to the PCB. I also added an acrylic plate over the high voltage parts and under the whole PCB. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652016296278-OP3P96E82B7A744Q858D/DSC04502_compressed.jpg Blog - Custom reflow hot plate - Demo and coding - Another perspective Another perspective showing the protective acrylic plate. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652016296944-4HWU0C6HYFZDZR0835Z3/DSC04503_compressed.jpg Blog - Custom reflow hot plate - Demo and coding - Left side Left side of the assembled PCB. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652016297152-XFRZC7KM7WYLLS3UF155/DSC04504_compressed.jpg Blog - Custom reflow hot plate - Demo and coding - Bottom of the PCB Bottom side of the PCB with the protective acrylic plate. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1652016312138-FXP3F3BSXAP4WQBS3Q5V/IRheater_small.jpg Blog - Custom reflow hot plate - Demo and coding - 12x12 cm ceramic heating plate I used this ceramic plate to heat the PCB. This same heater can be found in certain BGA reflow stations. https://curiousscientist.tech/blog/custom-reflow-hot-plate-custom-pcb-part2 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650486966766-H52TZERUC9FHLT5VXYYN/DSC04491_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Assembled board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650486982373-VMUM3LPSAODISR3YMBVD/DSC04488_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Connectors MAX6675 thermocouple module, AC input, heater output. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650486986180-D0QFMDH5MX4ABYZCQS90/DSC04483_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Complete board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650486992947-APGPVTH9AVX8CF48HHK9/DSC04486_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Optocoupler and triac https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650487010313-J8UZDC13TO20FBMPYX4G/DSC04487_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Optocoupler https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650487025335-QK3R5M5A70VUFXV5PC4P/DSC04497_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - 5V fan driver part BD139 transistor-based switch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650487029746-JOGWSH7WHJZFMCOTL6I4/DSC04498_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Input voltage selector Based on the power brick (5 V or 12 V), one can select where the input voltage should go. In the case of 5 V, the voltage goes to the +5V pin on the Arduino. In the case of 12 V, the voltage goes to the VIN pin. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650487001496-4T5BIN9VVLEH3KIXFCNE/DSC04492_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Top side of the bare board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1650487004707-EOUEAM8L5FAZFXYCMD3M/DSC04493_compressed.jpg Blog - Custom reflow hot plate - Custom PCB - Bottom side of the PCB The power traces are thick to handle the high currents. https://curiousscientist.tech/blog/2500-w-induction-melting-system monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845294108-CPR6D7H6WDVXYOZCMR6V/inductionCoil_Side.jpg Blog - 2500 W Induction melting system - Side view Here you can see the pump at the top left corner of the frame. Under it that’s the radiator that can accommodate 3x120 mm fans. The fans are on the other side and pushing the air through the radiator. At the front side you can see the thermometer panel, the coil, and a the power meter panel. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845295453-UNRBFGR2F4MO27TW3TAC/inductionCoil_front.jpg Blog - 2500 W Induction melting system - Front view At the top left corner, that’s the k-type thermocouple thermometer. On the right side, that’s the power meter for the ZVS driver. The two switches under it switch the 12 V and the SSR. One cannot switch the SSR on without having the cooling system powered on. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845295275-C60PK5Y3ECF8H4ZUAJA8/inductionCoil_controlPanel.jpg Blog - 2500 W Induction melting system - Closeup of the controls Here you can see the power meter, the two switches for the 12 V and for the SSR, and the front panel of the DC power supply that provides the power for the ZVS driver. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845294777-MOSEH5V7LX88PJN1J92Q/inductionCoil_coil.jpg Blog - 2500 W Induction melting system - Induction coil This is the original coil that came with the ZVS driver. Due to its large diameter, it is not the most efficient configuration for heating up things with small diameter such as rods, bolts and similar stuff. For a good coupling, the heated object should have similar diameter as the inner diameter of the coil. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845294467-U3AR1NHTTQ3GC8BEO4EZ/inductionCoil_C20Socket.jpg Blog - 2500 W Induction melting system - 230 V inlet with switch This is a C20 type inlet socket. I also 3d-printed a plate that allows me to fix the socket at one of the corners of the frame. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845293295-MU2GDDWSX39TLL9IT39G/inductionCoil_PSU_SSR.jpg Blog - 2500 W Induction melting system - The bowels Here you can see a lot of thick wires (16 mm^2) that deliver the DC power to the ZVS driver and some plumbing that keeps the SSR cool. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845293144-2WVJVDI5S0D2N5L243SZ/inductionCoil_pump.jpg Blog - 2500 W Induction melting system - 12 V water pump Just a simple pump with a reservoir. You can also see the thermocouple hanging on the frame. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649845293809-G0QLHTQ1FL6YHKM66RQ4/inductionCoil_shunt.jpg Blog - 2500 W Induction melting system - Shunt This shunt measures the current passing through the ZVS circuit. I 3d-printed a holder for it so I can attach it to any surfaces using four screws or bolts. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649850427344-139065QF6EUFGB0A0JZ5/Drawings_wiring.jpg Blog - 2500 W Induction melting system - Wiring https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649850623070-QV66YHR6I09R77104TR9/Drawings_plumping.jpg Blog - 2500 W Induction melting system https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/951f9497-ae98-4865-a23b-ff321e4673a6/230Vconn_holder+v2.png Blog - 2500 W Induction melting system - Make it stand out Mains connector holder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/53493552-9065-463d-b767-ecd53923d6fb/shuntHolder+v3.png Blog - 2500 W Induction melting system - Make it stand out Shunt holder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3e863e61-1c3f-424d-a581-26ab7ebab0d3/ThermometerHolder+v1.png Blog - 2500 W Induction melting system - Make it stand out Thermometer holder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d140dca2-3e29-481e-8d9e-2e08fe9d4dd3/PumpHolder+v2.png Blog - 2500 W Induction melting system - Make it stand out Pump holder (2020 profile only for reference) https://curiousscientist.tech/blog/custom-reflow-hot-plate-part-1 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799139093-319S13A9O074XK6VKQET/DSC04455-2_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - A custom reflow curve This is the main screen. Each temperature (red) and time (white) values can be modified using a rotary encoder. The user can create any custom reflow curve within reasonable limitations. The start button starts the heating program. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799138773-9E0XK0WY8KF0C7HPU879/DSC04459-2_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - A finished heating program Here is a finished program, currently in the cooling phase. The user-defined reflow curve is in the background and the cyan colored curve is the time-temperature diagram measured real-time during the heating program. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799137975-7J4IJH5EJB8DD2Z66MW5/DSC04458-2_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - Result of the very first soldering Actually, I haven’t tested the heater if I can solder with it. The very first soldering was done while I made the video. This is the result. Of course, I messed up the solder paste application, but still it is an acceptable result. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799139650-NYVX5JFU76PY3NBXMRO1/DSC04456-2_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - Imperfections Here you can see some imperfections due to the excess solder paste. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799137968-RX2NYM4USS1SFOQY5Z5Q/DSC04457-2_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - Imperfections Here you can see some imperfections due to the excess solder paste. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799173509-ZZOEDNCGH7GD300NTIQH/Arduino_connections_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - Arduino Nano These are the connections of the Arduino Nano. The Nano, based on the power brick used takes the power either at its VIN pin or +5V pin. The MCU takes care of a rotary encoder, an LCD display, and a MAX6675 module. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799174055-0GLHLNAXXHPPN8386RHA/Triac_switch_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - TRIAC switch This is a general optocoupler-TRIAC circuit. I also added a power brick to the circuit which will provide the power for the Arduino and its peripherals. An additional connection for the protective earth (not the same as GND) is also added. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1649799173204-WPXTAY9LTMIY0KQVOT26/MotorDriver_compressed.jpg Blog - Making my own reflow hot plate from scratch - Part 1 - Prototype - Transistor switch for the fans A simple BD139-based switch for the two fans. The obligatory diode is added to the motors. Pick the fans according to the output power of your power supply! https://curiousscientist.tech/blog/dro-pcb-for-rotary-encoders monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1648404883116-7XSRFVVSGTZBT4VVSH53/DSC04436_compressed.jpg Blog - Custom DRO PCB, but for rotary encoders - Rotary encoder-compatible board This board skips the entire voltage regulator part because the rotary encoder needs 5 V. Therefore the voltage regulator is substituted by a jumper. I also removed the 2 capacitors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1648404882812-YER7ZTVQCMS2YYMI5ZDF/DSC04437_compressed.jpg Blog - Custom DRO PCB, but for rotary encoders - Rotary encoder (front) and DRO boards (back) These are the same PCBs but for different purposes. The board in the front handles rotary encoders, and the board in the back handles DROs. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a058540a-9a2e-4219-9bde-c487e8f5f224/360PPR_rotaryEncoder.jpg Blog - Custom DRO PCB, but for rotary encoders - 360PPR rotary encode I used this rotary encoder in this demo. If you click on the picture, you will be redirected to Aliexpress via my affiliate link. https://curiousscientist.tech/blog/custom-cable-for-the-ts100-soldering-iron monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647895139339-AD0ERSRLVGR9BH5HZPRX/DSC04434_compressed.jpg Blog - Making a new cable for the TS100 soldering iron - Final product New silicon cable and a 24 V 5 A power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647895138701-WN7W90QE7A8B08JG61GZ/DSC04432_compressed.jpg Blog - Making a new cable for the TS100 soldering iron - DC jack https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647895137378-S2XU4DXBBNYCWTR205M6/DSC04433_compressed.jpg Blog - Making a new cable for the TS100 soldering iron - DC jack in the TS100 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647895137610-NYKQ5PY8HY7KX60CTW0I/DSC04431_compressed.jpg Blog - Making a new cable for the TS100 soldering iron - Power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647895137858-ISAV2YVM0ETL0PCEGWGR/55-00050_connector_compressed.jpg Blog - Making a new cable for the TS100 soldering iron - Tensility 55-00050 connector https://curiousscientist.tech/blog/testing-the-mustool-mt8206-graphical-multimeter monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801482633-4AIQBWXB6AZUV4SYLTLS/Musttool_MT8206_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 Display OFF https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801481477-QT6MCLRG3IHTBB4ARE6R/DSC04416_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 Display ON https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801480339-QGN35W9DHN4MBZ13PG2I/DSC04417_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 Close-up of the display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801481166-OREX26KQN30BPKQILK3E/DSC04419_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 Close-up of the controls and terminals https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801482352-CWWKBIF38AH5J33LRTJB/DSC04418_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 Waveform mode https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801483248-M27QKKNY2YZD23B52S76/DSC04421_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 DC voltage measurement https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801481850-F8UAWWQ9GJX3CRNBO1DO/DSC04423_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 Probes https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647801480334-B35ALQPW89TYWGOYR6RR/DSC04424_compressed.jpg Blog - Testing the Mustool MT8206 graphical multimeter - Mustool MT8206 Destroyed screw that hindered me from disassembling the multimeter. https://curiousscientist.tech/blog/custom-atmega32u4-board monthly 0.5 2024-08-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647200995725-5PGSN9EBPCQ6P5NKVRA4/DSC04400-3_c.jpg Blog - Making my own ATmega32U4 microcontroller - Top side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647200996542-U8P5MBDUAY0S4N105LQP/DSC04399-3_c.jpg Blog - Making my own ATmega32U4 microcontroller - Top side with applied solder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647200998119-TV1EEZAB1HQPLR0JMP3Q/DSC04401_c.jpg Blog - Making my own ATmega32U4 microcontroller - Bottom side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647200996671-LSNNWWT0RUSZCBEO0HPG/DSC04413-2_c.jpg Blog - Making my own ATmega32U4 microcontroller - Soldered board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647200995724-LVJ5SCUWI9HYM61CW26J/DSC04412-3_c.jpg Blog - Making my own ATmega32U4 microcontroller - Soldered board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647200997424-2S6NKG3XG92JRUG5QUAW/DSC04409_c.jpg Blog - Making my own ATmega32U4 microcontroller - Crystal close-up https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647200997675-9H6860S3EUVXP1H2J6TT/DSC04408_c.jpg Blog - Making my own ATmega32U4 microcontroller - Power distribution close-up https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1647204108417-C6FKV5E8Y801FUFEIO5P/DSC04411_c.jpg Blog - Making my own ATmega32U4 microcontroller - Top view from another angle https://curiousscientist.tech/blog/testing-ksger-t12-v31s-soldering-station monthly 0.5 2022-03-20 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1646591965289-ISH163CJYMPZGK26TEBJ/KSGER_t12_v31.jpg Blog - Testing the KSGER T12 V3.1S soldering station - KSGER T12 V3.1S This is the whole kit I received from Banggood. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1646591967135-0LPEVV55VXHE2CCRJ6BA/ksgerT12_tips.jpg Blog - Testing the KSGER T12 V3.1S soldering station - Tips Top: T12-K Middle: T12-D24 Bottom: T12-ILS https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1646591967787-MC2BDHGGTURSPMUFRITV/ksgerT12_front.jpg Blog - Testing the KSGER T12 V3.1S soldering station - Front panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1646591966735-F5X6FLLLB6AM9IV5KXF0/ksgerT12_back.jpg Blog - Testing the KSGER T12 V3.1S soldering station - Rear panel The extra bolt on the right side is added by me. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1646591965534-73SD03U0U5912ZNX19S7/DSC04381_c.jpg Blog - Testing the KSGER T12 V3.1S soldering station - Grounding mod hole This is where I installed an M4 bolt. I ground the surroundings of the hole to ensure good galvanic contact. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1646591968717-1AGFYTCWJIQB3LHVPDKQ/DSC04380_c.jpg Blog - Testing the KSGER T12 V3.1S soldering station - Grounding hole mod This is where I installed an M4 bolt. I ground the surroundings of the hole to ensure good galvanic contact. https://curiousscientist.tech/blog/custom-dro-pcb-attiny85 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1645398166335-LD9U4RC6KBITWGHWG4E1/DSC04379-2_c.jpg Blog - Custom PCB for DROs using ATTiny85 - Full circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1645398166974-9RM51XE4OF43QL3LR7G0/DSC04378-2_c.jpg Blog - Custom PCB for DROs using ATTiny85 - Full circuit from another perspective https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1645398167249-8IEKCZNHWRJH6G11D9TV/DSC04377-2_c.jpg Blog - Custom PCB for DROs using ATTiny85 - Backside of the PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1645398166298-78E4JSKD8R5IQSMRV5XQ/DSC04373-2_c.jpg Blog - Custom PCB for DROs using ATTiny85 - PCB without the parts https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1645398167601-ZB6EE4GVUGF63Y3P3X05/DSC04374-2_c.jpg Blog - Custom PCB for DROs using ATTiny85 - PCB without the parts (backside) https://curiousscientist.tech/blog/300-mm-dro-with-arduino monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e2b57942-f0a1-44b7-b9e8-9f52485d23d3/dro300mm_breadboard_bb.png Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - Make it stand out Simple schematics of the circuit I used. Scroll further down to see the pictures of the actual circuit. Keep in mind that the pin names (“Pin 2”, “Pin 3”…etc.) indicate the physical pins whereas the “PB3”, “PB4”…etc. are the “internal pin numbers” which should be used in the Arduino code. Pin 2 (PB3) is connected to the DRO’s data line, and Pin 3 (PB4) is connected to the DRO’s clock line. Of course, the DRO will also require a supply voltage which in my case is the same as of the ATTiny85. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644082882722-S1EY2K15V3S5W0KDTUEH/DSC04315_compressed.jpg Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - In action The display is showing a reading from the DRO https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644082885564-R7ZXCA7LR1B3CM61P1Q9/DSC04313_compressed.jpg Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - Assembled board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644082884516-A7K8NKTM9IMTLBLVFM4W/DSC04310_compressed.jpg Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - Board without the display ATTiny85 driven circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644082883864-1EOUHA38N4IV5UWY2VZV/DSC04312_compressed.jpg Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - The circuit An ATTiny85, an 5k4 resistor, a button and a few connectors on a prototype board. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644082884843-NVWSMRNGGTQPI2I94J6Q/DSC04311_compressed.jpg Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - Behind the scenes This is the back of the prototyping board. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644082882722-3ULUPDU1XP4T0ACIBIHB/DSC04301_compressed.jpg Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - DRO's microcontroller This is the MCU of the DRO. I also tried to find out the purpose of those 4 pins (+, -, A, B), but I could not get anything out of them. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644082883700-XD3ZUIKI0C1J6YAQ7VF7/DSC04303_compressed.jpg Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - DRO's USB connection From left to right, the first pin (5) is not connected. The second pin is the positive supply voltage (connected to the battery’s (+)), the third pin is the GND (connected to the battery’s (-), the fourth pin is the clock and the fifth pin is the data. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1644083970917-AM0JSUPW63K20Y3IR6L2/dro300-oscilloscope+capture.JPG Blog - 300 mm DRO with Arduino (ATTiny85 and Nano) - Output of the DRO 6x4 bits. The first bit is discarded, then it is used up until 20. The 21st bit is the sign (1: positive, 0: negative). The basic principle is simple. At each falling edge of the clock we check if the data is low or high. Then we create a decimal number from the binary number we collected. https://curiousscientist.tech/blog/ultra-precise-milliohm-meter-calibration monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/17fb03c0-3030-453b-b9f1-edf3463b53fe/DSC04218_compressed.jpg Blog - Ultra-precise milliOhm meter - Calibration and full assembly - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/ultra-precise-milliohm-meter-part2 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/17fb03c0-3030-453b-b9f1-edf3463b53fe/DSC04218_compressed.jpg Blog - Ultra-precise milliOhm meter - Part 2/2 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/ultra-precise-milliohm-meter-part1 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1642436673956-1K4CBXGW3YQTUGRDZVPO/DSC04218_compressed.jpg Blog - Ultra-precise milliOhm meter - Part 1/2 - Unpopulated PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1642436684997-HGGPJNDCZFEY6B9L6230/DSC04277-3_compressed.jpg Blog - Ultra-precise milliOhm meter - Part 1/2 - Finished board Everything is soldered in. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1642436678286-VK30065RAZFX954EJ32N/DSC04296-2_compressed.jpg Blog - Ultra-precise milliOhm meter - Part 1/2 - The constant current source LT1634 and LT3092. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1642436674925-KWAR281QLE57U1609MPV/DSC04287-2_compressed.jpg Blog - Ultra-precise milliOhm meter - Part 1/2 - LTC2400 24-bit AD-converter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1642436677226-UFLGPKKFGK6IDWPG5C96/DSC04294_compressed.jpg Blog - Ultra-precise milliOhm meter - Part 1/2 - The full voltmeter part LTC2400 + ADR4540, INA106. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e8cd36c1-be70-4deb-9053-c2d82dd49603/pcbway_logo.jpeg Blog - Ultra-precise milliOhm meter - Part 1/2 - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/max7219-8digit-display monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/699f2b4a-ffb3-46dd-a888-1622688842bc/DSC04215.jpg Blog - 8-digit 7-segment display - printing float! - Make it stand out Display showing the number 9135.29. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595014517588-NLXKSAHZNNIDSGJIO31C/DSC03729_compressed.jpg Blog - 8-digit 7-segment display - printing float! - Make it stand out Arduino Nano https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cb68f1e5-e7ac-4b25-9834-933ed53fc725/DSC04106.jpg Blog - 8-digit 7-segment display - printing float! - Make it stand out 8-digit 7-segment display https://curiousscientist.tech/blog/as5600-nema17-speed-and-position monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cc40ec8e-5048-4f16-88e8-e123d9fda15f/as5600-nema17-accelstepper.png Blog - Measuring speed and position using the AS5600 - Make it stand out Schematics of the circuit used for the demo. Please forgive the ugly way of including the AS5600 board. Since it is a simple i2c board, the connection is really straightforward. Also, make sure that you connect the DIR pin to ground if you don’t use it. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1da8745c-c4ac-42ae-be31-c106e6f9730b/DSC04113.jpg Blog - Measuring speed and position using the AS5600 - AS5600 custom PCB Compatible with NEMA17-type stepper motors. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/799c0c25-065e-4bd5-903a-4384a4fb0cff/tomlov7Microscope_compressed.jpg Blog - Measuring speed and position using the AS5600 - TOMLOV 7" TM-DM9 microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595014517588-NLXKSAHZNNIDSGJIO31C/DSC03729_compressed.jpg Blog - Measuring speed and position using the AS5600 - Arduino Nano https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019683168-Q5FHT55EMGDHPVLF100W/DSC03723_compressed.jpg Blog - Measuring speed and position using the AS5600 - SSD1306 OLED display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601355412-DTH5R3KPG9MT0KNZ5T8P/DSC03983.jpg Blog - Measuring speed and position using the AS5600 - Rotary encoder module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601355246-8AU6G529QDMFXW9P98FP/DSC03754_compressed.jpg Blog - Measuring speed and position using the AS5600 - DRV8825 stepper motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610471443158-RXUVFZQGRLSV3U552MA8/DSC03935.jpg Blog - Measuring speed and position using the AS5600 - NEMA17 pancake stepper motor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1d92ffab-c5d4-4a51-b8f1-c936d11d9e9e/DSC04100.jpg Blog - Measuring speed and position using the AS5600 - MHP30 mini reflow station https://curiousscientist.tech/blog/dc-motor-position-control-using-pid monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0a9665c7-b1f4-4e69-9208-fd73bb19c938/dc_pwm_pid_bb_compressed.jpg Blog - DC motor position control using PID - Make it stand out The core of the circuit is an Arduino Nano. I use 3.3 V for all the logical voltages (orange wires). The connections are also indicated in a text form. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595014517588-NLXKSAHZNNIDSGJIO31C/DSC03729_compressed.jpg Blog - DC motor position control using PID - Make it stand out Arduino Nano https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019683168-Q5FHT55EMGDHPVLF100W/DSC03723_compressed.jpg Blog - DC motor position control using PID - Make it stand out SSD1306 OLED display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/23019e85-6fdc-4a59-a83c-435077264476/DSC04125.jpg Blog - DC motor position control using PID - Make it stand out TB6612 Dual-channel PWM motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c094b27e-a453-40a2-8896-6854f52171f5/DSC04126.jpg Blog - DC motor position control using PID - Make it stand out 36SG-555 DC motor with magnetic encoder https://curiousscientist.tech/blog/tomlov-7-microscope-camera-unique-attachment monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/68ff4290-7cd5-4f24-95bd-e29f316e2ffd/DSC04123-2.jpg Blog - Tomlov 7” microscope camera + unique attachment - Make it stand out The microscope in its natural environment. The whole camera is attached to a microphone arm where I originally have my camera for recording my videos. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1554e977-edcd-4eb3-92c7-1be3387fc4ba/DSC04121-2.jpg Blog - Tomlov 7” microscope camera + unique attachment - Make it stand out The attachment setup from side view. A ball head is attached to the microphone stand, than a GoPro-compatible attachment is joined to my custom 3D-printed holder. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d876f729-cf84-4959-9467-d940cb7c6250/cameraHolder.png Blog - Tomlov 7” microscope camera + unique attachment - Make it stand out 3D file of the camera holder. Click on the picture for downloading. https://curiousscientist.tech/blog/as5600-custom-pcb-nema17 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1da8745c-c4ac-42ae-be31-c106e6f9730b/DSC04113.jpg Blog - Custom AS5600 panel for NEMA17 stepper motors - Make it stand out Component side of the board. The dents around the mounting holes are caused by me because I have already mounted the board on a stepper motor and tested it. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f9792e30-9b69-4485-9f3c-be3188b3f4a3/DSC04111.jpg Blog - Custom AS5600 panel for NEMA17 stepper motors - Make it stand out Backside of the board with all the necessary connections. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0b958224-2b71-4d06-8289-452f8d0fc9c3/DSC04115.jpg Blog - Custom AS5600 panel for NEMA17 stepper motors - Make it stand out PCB mounted on the back of a thin NEMA17-type stepper motor. Notice that I have an extra wire for the DIR pin. If the DIR pin is not used, it has to be connected to GND! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7d9314f6-074f-43f7-b7d0-8afbd6230bcc/DSC04114.jpg Blog - Custom AS5600 panel for NEMA17 stepper motors - Make it stand out PCB mounted on the back of a thin NEMA17-type stepper motor. The washers between the stepper motor and the PCB make ensure the proper gap between the magnet and the AS5600 chip. https://curiousscientist.tech/blog/tcd1304-linear-ccd-custom-pcb monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1638121477511-D87HDPH6GZ62M09H4ZF4/DSC04085.jpg Blog - TCD1304 Linear CCD - Custom PCB - Back side of the PCB https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1638121479368-9ANYJ0NBWL2YVAMPHPYP/DSC04088.jpg Blog - TCD1304 Linear CCD - Custom PCB - Assembled PCB sitting on the top of an STM32F401 board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1638121480141-24X4DTX0DZ6XPZXQ7QMR/DSC04094.jpg Blog - TCD1304 Linear CCD - Custom PCB - Assembled PCB from side https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1638121481032-OJMOMS5XSEBMXODG3Q4A/DSC04096.jpg Blog - TCD1304 Linear CCD - Custom PCB - A neat closeup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1638121478215-H52F56R89G0WSBYHGJ3J/DSC04099.jpg Blog - TCD1304 Linear CCD - Custom PCB - Another neat closeup https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1638121477511-D87HDPH6GZ62M09H4ZF4/DSC04085.jpg Blog - TCD1304 Linear CCD - Custom PCB - Make it stand out Click on the image to purchase my board via PCBWay https://curiousscientist.tech/blog/as5600-magnetic-encoder-used-as-an-overengineered-potentiometer monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/de35cab7-b202-4b76-afbe-8c0dd7dea4d7/Potmeter_bottomImg.png Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out Bottom part. Optional, if you don’t mind the cables coming out from the bottom of the AS5600. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6b593766-02d1-4c96-a70a-ccacf5828efe/Potmeter_middleImg.png Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out Center part. This holds the AS5600. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d41d0586-745f-4465-955f-d71688982e20/Potmeter_topImg.png Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out Top part. This holds the flanged bearing and the knob. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bfedf82e-29f2-4d7b-a8f8-61f0c98f2c9d/Potmeter_knobImg.png Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out Knob. This holds the magnet. The knob is made for a bearing with 8 mm inner diameter. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eb229ba0-6923-4a53-a46b-035592510e0d/DSC03974.jpg Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out AS5600 magnetic encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019683168-Q5FHT55EMGDHPVLF100W/DSC03723_compressed.jpg Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out 1306 OLED display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595014517588-NLXKSAHZNNIDSGJIO31C/DSC03729_compressed.jpg Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out Arduino Nano https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610471087139-IBWBJC4ZUVMWFL4J7YU1/DSC03969.jpg Blog - AS5600 magnetic encoder used as an overengineered potentiometer - Make it stand out Flanged bearing https://curiousscientist.tech/blog/tcd1304-linear-ccd-driving-the-ccd monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/884cf320-3cdf-49b4-aec4-e23f8b0da658/CCC_structure__.jpg Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Extremely oversimplified drawing of a CCD. The gate electrodes are used to shift the charge between the different potential wells. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/662672d8-c84e-4317-a572-54bae75959db/tcd1304_clockCharacteristics.JPG Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Clock characteristics of the master clock and data rate. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/363a609a-9d16-4b04-adff-72f9bb4c82af/tcd1304_timingRequirements.JPG Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Timing requirements of the TCD1304 linear CCD using the electronic shutter function https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/81718fdb-4ff3-49de-9035-587c55a8a275/tcd1304_ICG_SH.JPG Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Timing requirements for the three driving signals ICG, SH and ϕM. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d1b0959c-535d-4ac7-9d34-e098b33d0993/tcd1304_electronicShutter.JPG Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Pulse timing of ICG and SH for using the electronic shutter function. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636482230703-EZQOHQ23NDVTDP5WUA9L/1_newSTM32Project_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 1. Create a new STM32 project https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636482231144-1SBD903HEVQ1GZJ4ZZWE/2_targetSelection_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 2. Select the microcontroller STM32F401CCU https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636482231469-WQIR3FLMR9O8DM61AJOY/3_Projectname_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 3. Name your project and finish the procedure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636482232261-Z20ZSB93V171HJUZEWVA/4_pinoutConfig_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 4. This startup display should be in front of you https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636483265727-CHK114934FFZJYO4SS4U/5_RCC_HSE_crystal_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 5. Select the high speed clock source https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636483265804-NXDTO4VJO06NR8DW02IA/6_connectivity_USB_deviceonly_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 6. Select the USB device https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636483266809-1WT3YNGD411RRZSED16O/7_middleware_USB_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 7. Configure the USB virtual COM port https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636483267035-CY4KTZX0F1TB7Y0UYRLW/8_clockConfiguration_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 8. Adjust the clock to HCLK = 84 MHz https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fc43d19b-7f6d-439f-9794-7c209ea6dcc8/PWM_Output_CCR-ARR.JPG Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Typical illustration of the PWM signal generated by the timer. The counter starts from zero and the PWM signal starts as high. It stays high until the counter reaches the value of the CCR. At this point, the PWM signal goes low and stays low until the ARR value where the counter is reset and starts over from zero. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ac7dfa9c-0084-465b-b986-bf1e2e8ff359/fM_2MHz.png Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Master clock signal (ϕM) as it is seen by an oscilloscope. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fd3e9c2d-6d44-478a-a7b9-0ae26318572c/9-TIM3-fM_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out 9. Configuration page of the master clock (ϕM) signal. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2f0eff9e-8428-4e59-8f31-43ca63f96aaa/adc_500khz.png Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out ADC trigger signal as it is seen by an oscilloscope. (Note: There is no output coming from the ADC trigger, but for the sake of demonstration I put the signal on the output) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5804386e-8ac4-4284-ba4d-a204d78975ad/10-TIM4-ADCTrigger_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out 10. Configuration page of the ADC trigger signal. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/12d0bc2e-1014-4161-b11a-47a302f2d46a/11-TIM2-ICG_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out 11. TIM2 timer configuration for the ICG signal. Polarity is set to high but if you use the HEX inverter, it becomes low which is the same alignment as in the datasheet. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/476c4a93-f397-4e48-9df7-f4dd54d44758/12-TIM5-SH_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out 12. TIM5 timer configuration for the SH signal. Polarity is set to low but if you use the HEX inverter, it becomes high which is the same alignment as in the datasheet. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636496870495-2QF504G97T9I6VISQHB6/13_projectTree_.jpg Blog - TCD1304 Linear CCD - Driving the CCD - STM32CubeIDE Project Tree https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636491855685-OFQAAJ7E01FS0D69VZJY/ICG-SH-birdsEyeView.png Blog - TCD1304 Linear CCD - Driving the CCD - ICG (yellow) and SH (purple) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636491855688-7LATAZUVTXIBSTHL0RYA/ICG-SH-noDelay.png Blog - TCD1304 Linear CCD - Driving the CCD - ICG (yellow) and SH (purple) without the necessary delay https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636491856233-HARCQGIZIBZRFFE1A7GJ/ICG-SH-Perfect.png Blog - TCD1304 Linear CCD - Driving the CCD - ICG (yellow) and SH (purple) with the perfect timing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dc0fc656-1497-459e-a1e0-3eacaaa5e4ad/OS_output.png Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Output of the CCD. The yellow signal is the ICG signal and the purple is the output of the CCD. I put a few wires over the CCD which can be seen as the peaks. There is no electrical tape on the CCD! The shutter speed is controlled properly via the SH signal. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636497306018-X6RHIVCX0R5UTVW7NET1/14-ADC_Part1_compressed.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 13. First, select IN3 as the input of the ADC https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636497306664-RBYHWOAGXBZGT2TPF25J/15-DMA_Settings_compressed.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 14. Select DMA and add ADC1 to DMA2. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1636497306017-3KAM5BKDBI0AXAQC0K5T/17-ADC_part2_compressed.jpg Blog - TCD1304 Linear CCD - Driving the CCD - 15. Finally, set the trigger to Timer 4 as Capture Compare 4 event. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2b08b8ef-a355-4729-8dea-6411ad384de0/OS_output.png Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Output of the OS pin captured by an oscilloscope. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/527c212c-315a-4c8b-8ccc-9ae691126798/16-SerialPort.JPG Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Output of the OS pin captured by the ADC and sent to the computer via USB. At this stage, this software is extremely rudimentary. Its only purpose is to show if we can successfully send the data to the computer, process it and display it. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/94991ec1-3959-401d-8461-7eb8998cd14c/DSC04070.jpg Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out STM32F401CCU6 microcontroller https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3501cd04-2e57-42dd-9630-89e63b54f221/DSC04081.jpg Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out TCD1304 Linear CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/500cfcf9-d43d-4e57-b754-638566c08bda/tcd1304_PCB.JPG Blog - TCD1304 Linear CCD - Driving the CCD - Make it stand out Test board (only PCB) for the TCD1304 Linear CCD based on the schematics found in the datasheet. https://curiousscientist.tech/blog/tcd1304-introduction monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a68d8d55-8f67-4531-8863-c81d8f706891/tcd1304_driveCircuit.JPG Blog - TCD1304 Linear CCD - Introduction - Make it stand out Manufacturer’s recommendation for the driving circuit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a86661c6-49c2-4e45-99fc-024a29576091/tcd1304_ICG_SH.JPG Blog - TCD1304 Linear CCD - Introduction - Make it stand out Timing requirements. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/500cfcf9-d43d-4e57-b754-638566c08bda/tcd1304_PCB.JPG Blog - TCD1304 Linear CCD - Introduction - Make it stand out Click on the image to get the PCB from PCBWay! https://curiousscientist.tech/blog/szbk07-fine-coarse monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f4020c5e-632a-46c6-8a0b-82d708d5ba78/szbk07_CC-CV_marked_compressed.jpg Blog - SZBK07 DC-DC converter with fine/coarse potentiometers - Make it stand out Back side of the SZBK07 DC-DC converter. The CV potentiometer is connected as a rheostat which can also be seen by the trace that connects the B and C holes. The CC potentiometer is connected in a normal way, it is used as a voltage divider. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ecc435e5-75cd-424f-bf97-1798064235f3/CV_schematics_compressed.jpg Blog - SZBK07 DC-DC converter with fine/coarse potentiometers - Make it stand out Potentiometer and resistor schematics for the CV potentiometer. This circuit allows you to regulate the voltage on a coarse and fine scale. Only 2 wires are used here. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0f7f0a88-f608-432f-9717-3e20f9feb385/CC_schematics_compressed.jpg Blog - SZBK07 DC-DC converter with fine/coarse potentiometers - Make it stand out Potentiometer and resistor schematics for the CC potentiometer. This circuit allows you to regulate the current on a coarse and fine scale. https://curiousscientist.tech/blog/coil-winder-version-1 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c827fc05-d166-40e8-b36b-8aa138394b64/20210925_172848_compressed.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - Make it stand out PCB, manufactured by PCBWay. Click on the image to order it from PCBWay! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b227dfd0-7c8e-43d9-968e-7f129e882081/20210925_172826_compressed.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - Make it stand out Populated panel. Looks neat! https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601353167-YUUWTJZOWASD3T11DIAR/DSC04070.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - STM32F401CCU6 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601356586-SG5T58CZ1NYUZM4PESHR/DSC03744_compressed.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - Nokia 5110 LCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601355412-DTH5R3KPG9MT0KNZ5T8P/DSC03983.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - Rotary encoder module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601355246-8AU6G529QDMFXW9P98FP/DSC03754_compressed.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - DRV8825 stepper motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601353195-Z8QYCNYQMJO7QQKWWLS8/DSC04050.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - SSFU1605 actuator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601399907-4OAH3FSO3C927D1GXJUD/DSC04014.jpg Blog - Building a coil winder [Part 8] - Finished first iteration - Screw terminal blocks https://curiousscientist.tech/blog/building-a-coil-winder-part-7-new-electronics monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c827fc05-d166-40e8-b36b-8aa138394b64/20210925_172848_compressed.jpg Blog - Building a coil winder [Part 7] - New electronics - Make it stand out As-received PCB, manufactured by PCBWay. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b227dfd0-7c8e-43d9-968e-7f129e882081/20210925_172826_compressed.jpg Blog - Building a coil winder [Part 7] - New electronics - Make it stand out Populated PCB with all the parts soldered in. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1630865381286-5GWUMXHEBA107O0DIDNB/DJI_0799_006.00_01_05_04.Still001_compressed.jpg Blog - Building a coil winder [Part 7] - New electronics - The previous version of the electronics https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1630865381597-O438OHLCVUBYYB6FENIU/DJI_0799_006.00_01_33_05.Still002_compressed.jpg Blog - Building a coil winder [Part 7] - New electronics - The current PCB-based electronics https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1630865407154-QNX85PVV05M78821HEE8/20210905_182128_compressed.jpg Blog - Building a coil winder [Part 7] - New electronics - An almost perfect 3-layer coil https://curiousscientist.tech/blog/4-20ma-measurement-arduino monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1630775900252-YPEK9AGQECD54X7YF3TF/CircuitSimulation.JPG Blog - 4-20 mA signal measurement with Arduino - Make it stand out Simulation of the circuit at 20 mA current using a 250 Ohm resistor. The drawing and simulation was made using Circuit Lab. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1630775941698-5IU5WWV4ULE5VWU2X3FS/circuitDrawing.JPG Blog - 4-20 mA signal measurement with Arduino - Make it stand out KiCAD drawing of the same circuit as above. As a side note, I saw some discussions on the internet where people are questioning the use of a Zener diode as its leakage current can manipulate the analog signals. https://curiousscientist.tech/blog/building-a-coil-winder-part-6-a-few-improvements monthly 0.5 2025-08-11 https://curiousscientist.tech/blog/complex-control-panel-with-gui monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1629617604090-X9JOCWSBAVOXZ3GCCK7C/relay_Schematics_full.JPG Blog - Complex menu for controlling multiple I/O pins - Make it stand out In this example an Arduino Nano is used as the microcontroller. The I/O expanders are connected to the microcontroller via i2C. The display is connected via SPI through a 5 V → 3.3 V level shifter. The rotary encoder uses an interrupt pin. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1629619581205-FD6KZWIS3W7KIOMJ1X9V/LED_PCF8574Connection.jpeg Blog - Complex menu for controlling multiple I/O pins - Make it stand out Wiring schematics for controlling the LEDs. The LEDs are connected to the 5 V power rail and then through a 1k5 resistor they go to the I/O expander which is the ground. When a pin has the value of 1 in the Arduino code, the LED is OFF. When it is 0, they are pulled to ground via the I/O expander and they light up. https://curiousscientist.tech/blog/peltier-cooler-based-air-cooler monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627743359488-0U0MFUBJ4BB5MTDQI70K/DSC04036.jpg Blog - Peltier cooler-based air cooler - Peltier cooler-based air cooler This is a rectangular tube-shaped heat sink with the fins inside the tube. The flat side accommodates 2 sets (3 in each set) of TEC12706 Peltier coolers. The cold side is in contact with the heat sink and the hot side is cooled by a 120 mm x 40 mm water cooling block. There’s also fan at the end of the heat sink channel that pushes the air through it. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627743357494-ESPMHKBH3PU20SS349QX/DSC04035.jpg Blog - Peltier cooler-based air cooler - 360 mm x 120 mm radiator I used two of this radiator, so each side of the Peltier cooler device was cooled individually. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627743355951-SMD0M7C8VBTL668UVQDJ/DSC04024.jpg Blog - Peltier cooler-based air cooler - 12 V, 800L/h immersion pump I used two of this pump for each side of the Peltier cooler device. This pump can run the water at a reasonable flow rate for this kind of experiment. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627743353141-7UT1DKWKDYYRA30FD9ZT/DSC03784_compressed.jpg Blog - Peltier cooler-based air cooler - 12 V, 30 A DC power supply This is one of the key components. There is a tiny potentiometer next to the output terminals that you can use to drop the output voltage. These TEC12706 Peltier coolers “feel good” around 4.5-5 A, so you should try to adjust the output voltage in a way that you can run the coolers at this current. Probably a 40 A power supply would be better for this task. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627743353150-R5A7L4U04UHM27ZLXLY0/DSC03813_compressed.jpg Blog - Peltier cooler-based air cooler - Adjustable power supply This power supply served the fan on the Peltier cooler device. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627744635899-KYGEW3N4SOHZ1T3BL7FK/coolerSetup.jpg Blog - Peltier cooler-based air cooler - Cooler setup Starting on the right side of the picture, we have the two 360 mm x 120 mm radiators with 3-3 fans. Then, in the middle we have the water bottles and the pumps for each side. Finally on the left side you can see the Peltier cooler device. The air is sucked in on the fan side and pushed out towards the left side of the picture, right onto the green colored thermometer probe. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627744778355-VII5I7R4AJ618IJ4Y2KE/20210731_163615_compressed.jpg Blog - Peltier cooler-based air cooler - Peltier cooler device without airflow This is a shot when the heat sink was at roughly -12°C. The fan was turned off, there was no airflow through the heatsink, so the heat exchange with the environment was poor which allowed the heat sink to reach such a low temperature. The Peltier coolers were running at ~10.1 V and 3.5 A each. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627757886943-ERKW08OSUKKAD8QV847B/AirChiller_measurements.jpeg Blog - Peltier cooler-based air cooler - Temperature development of different parts As we expect, the airflow through the heat sink channel drastically changes the heat sink temperature and the outlet air temperature. But this is of course what we expect. The more heat we introduce to the heat sink the less cold the Peltiers can maintain therefore the outlet temperature rises with increased airflow. It also seems that there is no difference in performance when the input voltage and current is increased from 10 V to 13 V. I added a set of points called “hot side” which is a more realistic temperature for the hot side of the Peltier cooler. Since I only measured the water temperature, that was not a realistic temperature of the hot side of the Peltier coolers. I shifted the water temperature measurements up by 20°C. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627760675541-5SSEJAPVL5EZH1V9942J/AirChiller_performancechart1_compressed.jpg Blog - Peltier cooler-based air cooler https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627760675703-WV63H26D1MMS3NEEOXO1/AirChiller_performancechart2_compressed.jpg Blog - Peltier cooler-based air cooler https://curiousscientist.tech/blog/szbk07-quiescent-current monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627724868878-8VNNHUHOFPFCMBCOV3R7/szbk07_quiescentCurrent_compressed.jpg Blog - SZBK07 300 W DC-DC Converter quiescent current - Make it stand out Quiescent current at different input voltages. The CV and CC potentiometers of the DC-DC converter were set to max. The output was not loaded but a voltmeter (multimeter) was attached to it to control the output voltage. https://curiousscientist.tech/blog/building-a-coil-winder-part-5-coding-and-math monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675288149-51DLMIMS1BIZWZPI92GU/coilWinder_controlpanel_bb_compressed.jpg Blog - Building a coil winder [Part 5] - Coding and math - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675544643-DTKFNGVTPNIA1RKXODAX/Page_1.JPG Blog - Building a coil winder [Part 5] - Coding and math https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675544641-QLA091EQRQBRF1ZB8F1Y/Page_2.JPG Blog - Building a coil winder [Part 5] - Coding and math https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675545270-2CPP83OZKEXLSW4LJ9IC/Page_3.JPG Blog - Building a coil winder [Part 5] - Coding and math https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675545591-R9JDN9TPYX335Z0RYMFZ/Page_4.JPG Blog - Building a coil winder [Part 5] - Coding and math https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675545897-QPU495VCLAKH9FCEADAY/Page_5.JPG Blog - Building a coil winder [Part 5] - Coding and math https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675546525-ZS7BS26ZXJXWTCIF2HOV/Page_6.JPG Blog - Building a coil winder [Part 5] - Coding and math https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675547005-6FKHTLV8FRW4C371WLY6/Page_7.JPG Blog - Building a coil winder [Part 5] - Coding and math https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627675679490-Z7DCQ7O0B5HW1SRJZZUP/Page_9.JPG Blog - Building a coil winder [Part 5] - Coding and math https://curiousscientist.tech/blog/coil-winder-project-part-4 monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627594648121-11WT7GAEB5LO3Z6QV3Y6/coilWinder_controlpanel_bb_compressed.jpg Blog - Building a coil winder [Part 4] - Updated feeder mechanism - Make it stand out This is basically the same wiring schematics that I used for my earlier stepper motor control panel. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627594829897-XFHN6OLBC5GWJ8X91OBU/DSC04051.jpg Blog - Building a coil winder [Part 4] - Updated feeder mechanism - Make it stand out 3d printed feeder. The material is PLA. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627594856454-WS7IP7BIE7OYQ6O34EJT/DSC04059.jpg Blog - Building a coil winder [Part 4] - Updated feeder mechanism - Make it stand out Feeder with the felt disc tensioners and grooved metal wheels. A 0.8 mm 3d printing nozzle was also used. The copper wire indicates the direction of the wire in the feeder/tensioner. https://curiousscientist.tech/blog/arduino-based-diy-camera-slider monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627205190663-LYR0AGFSAVT402BNT0XI/CameraSliderCircuit_bb_compressed_compressed.jpg Blog - Arduino-based DIY camera slider - Make it stand out The whole system is built around an Arduino Nano circuit. The power is provided by a 12 V power source (in my demo, it is a battery) which is directly connected to the stepper motor driver. The power source is also connected to a voltage regulator which steps the voltage down to 5 V. This 5 V powers the rest of the electronics: MCU, OLED display, joystick, and the rotary encoder. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627201954866-P0NUHLAED1A6761EG3N7/Slider+legs+v6_2.png Blog - Arduino-based DIY camera slider - Make it stand out Leg with screw hole on the right https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627201962775-677JGDS5YO0FIYRU6MP3/Slider+legs+v6.png Blog - Arduino-based DIY camera slider - Make it stand out Leg with screw hole on the left https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627201973792-NYJGSNMC89JLE9LKC45J/motorHolder.png Blog - Arduino-based DIY camera slider - Make it stand out Motor mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1627201980781-EJA7J32OJ4WKIV7R6HS2/BeltTensioner.png Blog - Arduino-based DIY camera slider - Make it stand out Belt tensioner https://curiousscientist.tech/blog/szbk07-multiturn-potentiometer monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1624384796791-WKU0M4BCJNM8KDZPB774/SZBK07_pot_compressed.jpg Blog - SZBK07 DC-DC converter with multiturn potentiometers - Make it stand out Close-up picture of the relevant part of the SZBK07 circuit and the multiturn 100 kOhm potentiometer. https://curiousscientist.tech/blog/stepper-motor-control-panel-with-keypad monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1623608899192-GOH7VMIALO5GOQOSIFRR/stepper_controlpanel_keypad_sch.jpg Blog - Stepper motor control panel with keypad - Make it stand out The schematics is similar to the previous version of the control panel but this version has a 16-key keypad added to it. The 16-bit keypad is connected to the microcontroller via a PCF8574 I/O expander. The expander uses i2C (SDA: PB7 and SCL: PB6). The expander’s pins P0 to P7 are connected to the keypad’s pins in the same order (1-8). The last free pin (INT) on the I/O expander is not connected. The UP and DOWN button are removed and now B is the UP button and C is the DOWN button. The * and # characters have no function in this project. The Nokia 5110 LCD is connected to the MCU via SPI and it is very important that the display is only compatible with 3.3 V. There are two limit switches which are expected to be connected to the MCU, otherwise the code will get stuck (on purpose). The rotary encoder is just a simple encoder with a button. The encoder is used to navigate in the menu, move the motor or change the value of the different parameters. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1624642359950-O19AHEGK4PZMWEYCJI79/enclosure.JPG Blog - Stepper motor control panel with keypad - Make it stand out Enclosure. The hole in the bottom is for the 2x3 pin and 4 pin screw terminals. The groove on the top of the left side if the enclosure is for the USB cable. The diameter of the 4 holes is 5 mm. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1624642376504-2Y9FQ554TX801FG4TGRE/frontPanel.JPG Blog - Stepper motor control panel with keypad - Make it stand out Front panel. It accommodates the rotary encoder, the Nokia 5110 LCD and the 16-key keypad. The large screw holes at the corners are 5 mm, the holes for the Nokia LCD are 3 mm and the holes for the keypad are 2.5 mm. https://curiousscientist.tech/blog/peltier-cooler-based-air-conditioner monthly 0.5 2025-08-11 https://curiousscientist.tech/blog/16-key-keypad-arduino-simplified monthly 0.5 2025-08-11 https://curiousscientist.tech/blog/diy-adjustable-psu-from-laptop-psu monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1621783187851-VZV8BBFNL9HUMO2M01JY/PowerSupply_compressed.jpg Blog - DIY variable power supply from a laptop adapter - Make it stand out A schematic drawing of the connections between the input voltage coming from the laptop power supply, the DC-DC converter, the voltage-, and current meter and the load. Keep in mind that the maximum voltage for the DC-DC converter I used is 32 V and for the meter is 30 V. If you use the converter for high current applications, make sure that you actively cool the heatsinks with a fan. https://curiousscientist.tech/blog/coil-winder-project-part-3-proof-of-concept monthly 0.5 2025-08-11 https://curiousscientist.tech/blog/stepper-control-panel-updates monthly 0.5 2025-08-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1620998157025-TQMAQ7Y13W0NZNHAXJGO/stepper_controlpanel_bb_2limit.jpg Blog - Updates for the stepper motor control panel - Make it stand out I use the whole system at 3.3 V. This is particularly important if you use the Nokia 5110 LCD because it typically works at 3.3 V and it can be damaged at 5 V. The circuit itself is relatively simple: there are 2 buttons, a rotary encoder with a button and two limit switches. For stepper motors, I only indicated the step and direction pins. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1620999483792-U3IB6NUIQO9B4R5990NR/actuator_body_compressed.jpg Blog - Updates for the stepper motor control panel - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1620999480736-JICQSS3MLCQ2YFBMOWXW/actuator_carriage_compressed.jpg Blog - Updates for the stepper motor control panel - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://curiousscientist.tech/blog/as5048a-14-bit-magnetic-position-encoder monthly 0.5 2021-05-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1620568080517-78TQYS53LOPRFI1QLHLG/as5048a_encoder_fritzing.jpg Blog - AS5048A 14-bit magnetic position encoder The circuit is demonstrated with an Arduino Nano, but it should work with any i2C and SPI compatible microcontroller. The 16x2 LCD is connected via i2C (SDA: A4, SCL: A5) and the AS5048A is connected via SPI. The pin order is the following: 1: GND, 2: VCC (3.3 V to 5 V), 3: MISO (D12), 4: MOSI (D11), 5: CLK (D13), 6: CS (D10). Both devices are compatible with 3.3 and 5 V, but in this example, I used 3.3 V. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1620566633498-FIA8I6EYZJNBRTQVDKYH/AS55048L-mount_V2+v2_compressed.jpg Blog - AS5048A 14-bit magnetic position encoder NEMA 17-compatible mount for the AS5048A magnetic position encoder https://curiousscientist.tech/blog/miniq-bg6300-milling-table-with-stepper-motors-and-as5600-encoder monthly 0.5 2022-10-23 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1619990387804-GXW7NSZIAIDF2BJGPRNS/MillingTableAS5600_circuit_complete_compressed.jpg Blog - MINIQ BG6300 milling table with stepper motors and AS5600 encoder There are several things to keep in mind regarding this drawing. Usually these Nokia 5110 displays do not tolerate +5 V! I used +3.3 V throughout the whole system, but if you are planning to use it with +5 V, make sure that you have the proper display, or use a level shifter (the +5 V tolerance applies on every pins!). In this drawing I replaced the pins of the joystick as compared to the pins in the source code in order to decrease the mess in the wiring! Keep in mind that the source code has different pins for the X and Y-axis and for the button pins on the joystick. Regarding the stepper motor part, make sure that the ground coming from the power supply is connected to the ground of the microcontroller-circuit! The power supply can be between 9-45 V and it is suggested to use a 100 uF capacitor between the VMOT and the GND pins. Also, make sure that the sleep (SLP) and reset (RST) pins are pulled up to the +3.3 V (or +5 V). The wiring demonstrated here sets the microstepping to 400 steps/turn (MS0 = high, MS1 = MS2 = low). If the DIR pin of the AS5600 boards are not used, they have to be connected to the ground (GND). https://curiousscientist.tech/blog/max31865-pt100-rtd monthly 0.5 2021-04-24 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1619250818540-1C0168O6NXCS8H28UTUO/MAX31865_pt100_bb_compressed.jpg Blog - MAX31865 - Pt100 RTD module This circuit is very simple, it consists of three components. The 128x64 OLED display is connected to the Arduino via i2C (A4 = SDA, A5 = SCL). The Adafruit MAX31865 module is connected to the Arduino via SPI (CS =10, MOSI = 11, MISO = 12, SCK = 13). Both devices are using the 3.3 V as supply voltage. https://curiousscientist.tech/blog/tca9548-i2x-mux monthly 0.5 2021-04-18 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1618736798137-WTQO0X2TL5MSR7RETUEW/tca9548a_mux_bb.jpg Blog - TCA9548A i2C multiplexer The TCA9548A multiplexer (MUX) is connected to the Arduino’s i2C pins (A4-SDA and A5-SCL). Then, the devices with the same addresses are connected to the SD0/SC0-SD7/SC7 channels of the MUX. You can use any voltage between 1.8-5 V, but always make sure that your i2C devices support 5 V! If the address of your i2C devices is between 0x70 and 0x77, you have to change the address of the MUX by changing the A0, A1, A2 pins. https://curiousscientist.tech/blog/actuator-control-panel monthly 0.5 2021-04-18 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1607806512636-WCOYFEP2U9FJRJMZOO2K/stepper_controlpanel_bb.jpg Blog - Stepper motor control panel for linear actuators The Nokia 5110 LCD uses the SPI protocol and it is very important to use it with a +3.3 V system. Otherwise, it can be damaged because these units are usually not +5 V tolerant. You can use it with +5 V if you use a so-called logic level shifter/converter. One side of the up and down buttons are directly connected to the +3.3 V, then the other side of the button goes to the microcontroller and also to the GND through a 10k resistor. The buttons are open by default. The rotary encoder’s DT and CLK pins are connected to the +3.3 V via a 10k resistor. The DT and CLK pins are also connected to the microcontroller. Furthermore a 100 nF capacitor is connected between the GND and the DT and CLK pins. Notice that the middle pin on the encoder (GND) is connected to the ground via the black cable. The connections for the stepper motor are A9 (step) and A8 (A8). I did not add any specific stepper motor control circuit, because you can use any of the popular ones with this code and arrangement. https://curiousscientist.tech/blog/disproving-peltier-based-aircons monthly 0.5 2021-04-11 https://curiousscientist.tech/blog/ads1256-improved-arduino-code monthly 0.5 2021-04-10 https://curiousscientist.tech/blog/floppy-drive-stepper-motors monthly 0.5 2021-04-02 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1617309599910-Q8WVYL5LALFCCVI9F389/floppyStepper_bb_compressed.jpg Blog - Salvaging stepper motors from floppy disk drives The circuit is presented with both drivers (DRV8825 (purple) and EasyDriver (red)). The working principle is the same of both drivers: there is a step and direction pin on both circuits which are controlled by the microcontroller (MCU). Except the EasyDriver, all the other peripherals are connected to the +5 V rail of the MCU. The 16x2 LCD uses i2C protocol to communicate with the MCU (SDA: PB7/[A5], SCL: PB6/[A4] for STM32 [Arduino]). The rotary encoders use 3 pins each (DT, CLK, SW) to connect to the microcontroller. If you use Arduino Uno or Nano, make sure that you connect them to interrupt-capable pins (Pin 2 and 3)! The power source was 20 V 2 A in my case when both drivers were connected to the power supply. https://curiousscientist.tech/blog/fast-serial-communication-with-arduino monthly 0.5 2021-03-29 https://curiousscientist.tech/blog/max31855-a-better-thermocouple-module monthly 0.5 2021-09-23 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1616331325687-CZHD6P3V28KK0M4XEQOI/max318555-TC_circuit.jpg Blog - MAX31855 - A better thermocouple module The circuit is simple. The main unit is an Arduino Nano. The 16x2 LCD uses the i2C connection (A4: SDA, A5: SCL) and the power supply is +5 V. The MAX31855 thermocouple module uses SPI (CS: D10, SO: D12, SCK: D13) and the power supply is +3.3 V! Pay attention that the power supply is +3.3 V for the thermocouple module. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1616329744188-PNALRCVCUMPYE86KW7AF/original_data.jpg Blog - MAX31855 - A better thermocouple module - Original 32-bit output data The original 32-bit data contains both temperature readings plus some additional values. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1616329743320-BWUULHS02OH1JFM8J31Q/thermocouple_bits.jpg Blog - MAX31855 - A better thermocouple module - 14-bit thermocouple data It is relatively easy to obtain the values for the thermocouple. We only have to shift out the part which is highlighted with red. That is 18 bits of information which has to be shifted out to the right. The result is 14 bits of data including a sign-bit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1616329743458-VFO2Y9C36Z9UPKKV5M3F/internalTemp_shifting.jpg Blog - MAX31855 - A better thermocouple module - Getting the internal temperature - method #1 In this approach, first we shift out the first 4 bits on the right. Then, there is 20 bits left to the left of our 12-bit internal thermometer data. Therefore, we shift the data to the left by 20 bits. After this operation, we only have the 12-bit we need but they are at the wrong binary places. As the last step, the whole 12-bit number is shifted back by 20 bit which gives us the final, and correct number. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1616329745149-U5HAVY8C4FTA1Q5BJERR/internalTemp_AND.jpg Blog - MAX31855 - A better thermocouple module - Getting the internal temperature - method #2 This is a bit more elegant way to get the 12-bit internal thermometer data. First we shift of the first four bits. Then, we simply apply a bitwise AND operation between the shifted number and 4095 (B00000000000000000000111111111111) which erases all the numbers except the first 12 bits that we need. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1616329744490-0MIWF6SS1SHGN7U9ADN5/32bit_shifting_OR.jpg Blog - MAX31855 - A better thermocouple module - Shifting out 32 bits in 8-bit steps First byte (MSB) comes in. Then, we shift it by 8 bits to the left. The next incoming byte (shown as 16) is combined with the existing data using the bitwise OR operation. The 2 bytes are shifted to the left with 8 bits. The next incoming byte (shown as 24) is combined with the existing data. The 3 bytes are shifted to the left by 8 bits. Finally, the last byte (shown as 32) is combined with the existing data and now we have the full 32-bit number. https://curiousscientist.tech/blog/max6675-thermocouple-module monthly 0.5 2021-03-21 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1616255143004-B1VCL9LWEKL3PLG7N8J0/max6675-TC_circuit.jpg Blog - MAX6675 - Thermocouple module This circuit uses an Arduino Nano as the microcontroller. It facilitates both the i2C and the SPI communication channels. The 16x2 LCD uses the i2C (A4: SDA, A5: SCL), and the MAX6675 module uses the SPI (SCK: D13, CS: D12, SO, D12). Both devices use +5 V as the supply voltage. https://curiousscientist.tech/blog/as5600-magnetic-encoder-a-practical-example monthly 0.5 2022-10-23 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615071106568-6CDVUU5GO98JA0VJMX1Z/encoderwheel_Schematics_as5600.jpg Blog - AS5600 Magnetic encoder - A practical example Note: If you see fluctuating values, connect the DIR pin of the AS5600 to ground (GND). https://curiousscientist.tech/blog/as5600-magnetic-position-encoder monthly 0.5 2022-10-08 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1614959348354-2PKNLB6UIHNHRY93RCPC/as5600_encoder_circuit.jpg Blog - AS5600 magnetic position encoder This example uses an Arduino Nano. Both the OLED display and the AS5600 encoder is connected to the Arduino via the i2C connection. On Nano, the i2C pins are the A4 (SDA - green) and A5 (SCL - blue). Both devices are connected to 5 V. Note: If you see issues with fluctuating values, connect the DIR pin to GND. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1620568220704-LSPFLN0BDQ5LXO5ISE8A/AS5600-mount_V2+v2.png Blog - AS5600 magnetic position encoder https://curiousscientist.tech/blog/cnc-encoder-wheel-with-stepper-motors monthly 0.5 2021-03-05 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1614430817348-5Q5AL1QF4V35H13M5AMA/encoderwheel_Schematics.jpg Blog - CNC encoder wheel with stepper motors The core of the system is an STM32 blue pill, but you can use any Arduino-based microcontroller, even a Teensy! All connections are shown on the image. If you use an Arduino, make sure that you use either Pin 2 or Pin 3 as the interrupt pin for the “A” output of the encoder wheel. Also make sure that you assign the pins properly. The OLED display is a regular i2C device, so it uses the i2C pins of the microcontroller. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1614430995557-22515YEUC7AN5F6K9W2G/SDS00004.png Blog - CNC encoder wheel with stepper motors Channel 1 (yellow): pin A, Channel 2 (pink): pin B. The rising edge of Pin A occurs when pin B is LOW. This is the clockwise direction. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1614431007565-V3K60FT87TIE69MSQB32/SDS00003.png Blog - CNC encoder wheel with stepper motors Channel 1 (yellow): pin A, Channel 2 (pink): pin B. The rising edge of Pin A occurs when pin B is HIGH. This is the counter-clockwise direction. https://curiousscientist.tech/blog/capacitive-proximity-sensor-test monthly 0.5 2021-02-06 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1612640706435-MF3IJJT7SIQYOJSXLV35/proximitySensor_bb_withSensor.jpg Blog - Testing a capacitive proximity sensor This is a very simple wiring. The DRV8825 stepper motor driver is connected to the STM32 blue pill via 3 pins: enable, step and direction. The driver shares the power rails with the proximity sensor. The potentiometer is used to divide the output voltage of the proximity sensor so you can connect it to the microcontrollers. Brown wire is the positive voltage, black wire is the output and blue wire is the ground. However, always refer to your own product’s datasheet in case some different manufacturers use different wiring. https://curiousscientist.tech/blog/stepper-breakout-boards-and-absolute-encoder monthly 0.5 2021-01-24 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1611444889624-Z2JXKKZ12ESIKAUJ67W6/schematics.jpg Blog - Useful gadgets for stepper motor projects Unfortunately, the software I usually use to draw my schematics does not have most of the components, so I took a picture of them and “manually” wired it in another software. The PCF8574 and the OLED display share the same lines: +5 V, GND, SDA and SCL. The encoder is connected to the PCF8574 in the same way as the numbers of the pins are shown on the back side of the I/O expander (encoder’s pin 1 goes to the expanders pin 1…etc.). Notice, that the I/O pins on the expander start from second jumper pin from the right and the first jumper pin is the ‘int’ pin, which is not used here. Also keep in mind that that encoder have the following pin layout starting from the top left corner and going CCW: 1, 2, GND, 3, 4, 5, 6, GND, 7, 8. The stepper motor breakout board is connected to the A8 (dir), A9 (step) and B12 (enable) pins as well as the +5 V (v) and GND (g). The power input should be connected to the green screw terminal, and the motor is connected to white JST XH2.54 terminal. https://curiousscientist.tech/blog/adding-stepper-motors-to-the-miniq-bg6300-milling-table monthly 0.5 2021-01-16 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610659670652-EDGOOD0OE8MAAP9ADE94/X-axis+v4.png Blog - Adding stepper motors to the MINIQ BG6300 milling table https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610659691881-LHTY0UV5712JWATKD9D2/Y-axis+v3.png Blog - Adding stepper motors to the MINIQ BG6300 milling table https://curiousscientist.tech/blog/dissecting-the-miniq-bg6300-milling-table monthly 0.5 2021-01-14 https://curiousscientist.tech/blog/building-a-coil-winder-part-2 monthly 0.5 2021-01-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610146532302-1G1Q78TBHWO45OCLIQO5/RotaryEncoder_bb.jpg Blog - Building a coil winder [Part 2] - Assembling the electronics This is just a standard wiring for a 5-pin rotary encoder with built-in switch. Usually, one of the encoder pin is connected to an interrupt pin and the other is just simply read by the digitalRead() function inside the interrupt. I use the “INPUT_PULLUP” resistor for the button. A “classical “ wiring for a push button is also added. Both for the encoder and for the button, the user can choose which pins will be used on the microcontroller. Some microcontrollers such as the Arduino Uno or Nano have only two interrupt pins. https://curiousscientist.tech/blog/crimping-dupont-connectors monthly 0.5 2021-01-09 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610144510032-6AJT1ATQ6WORKP4KIKI1/DSC03942.jpg Blog - Crimping dupont connectors - Step 1 Prepare the dupont connector. If you crimp a female connector, insert a jumper pin into it, so it is easier to handle it and it is better to see the required length of the exposed wire. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610144510438-BQG0HD91VRUD6QCMYUBK/DSC03944.jpg Blog - Crimping dupont connectors - Step 2 Prepare the cable. Strip back roughly 2 mm insulator. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610144509814-VS4XJMTV3GPOVCYTQJER/DSC03951.jpg Blog - Crimping dupont connectors - Step 3 Insert the terminal into the crimping tool in the same way as you can see it on the picture. The bottom of the terminal should rest on the one of the teeth, and the flaps should point upwards. Close the crimping tool until the triangular flaps almost touch the top of the notch. This will happen after 2 or 3 click of the ratchet. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610144511516-BB8W1WS90VVFK85R7VT0/DSC03950.jpg Blog - Crimping dupont connectors - Step 4 Insert the wire into the dupont connector in the same way as you see it on this picture. (The dupont connector is in the crimping tool as you see it on the previous picture). Once you are sure that the wire is inserted properly, close the grips of the crimping tool. The ratchet will release and you will be able to remove the cable. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610144509361-WV6WMERUZFQVS5LQW8V7/DSC03952.jpg Blog - Crimping dupont connectors - Step 5 The final result should look something like this. The triangular parts grab the insulator and the rectangular parts grab the conductor of the wire. The last step is to put the plastic cover over this part and you are done. https://curiousscientist.tech/blog/building-a-coil-winder-part-1-introduction monthly 0.5 2021-01-08 https://curiousscientist.tech/blog/stm32-nokia5110-stepper-control-panel monthly 0.5 2020-12-13 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1607806512636-WCOYFEP2U9FJRJMZOO2K/stepper_controlpanel_bb.jpg Blog - Control panel for stepper motors using the Accelstepper library The Nokia 5110 LCD uses the SPI protocol and it is very important to use it with a +3.3 V system. Otherwise, it can be damaged because these units are usually not +5 V tolerant. You can use it with +5 V if you use a so-called logic level shifter/converter. One side of the up and down buttons are directly connected to the +3.3 V, then the other side of the button goes to the microcontroller and also to the GND through a 10k resistor. The buttons are open by default. The rotary encoder’s DT and CLK pins are connected to the +3.3 V via a 10k resistor. The DT and CLK pins are also connected to the microcontroller. Furthermore a 100 nF capacitor is connected between the GND and the DT and CLK pins. Notice that the middle pin on the encoder (GND) is connected to the ground via the black cable. The connections for the stepper motor are A9 (step) and A8 (A8). I did not add any specific stepper motor control circuit, because you can use any of the popular ones with this code and arrangement. https://curiousscientist.tech/blog/mcp4725-szbk07-circuit-control monthly 0.5 2020-11-29 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1606074511347-QZC0WW9LESL609UL428L/mcp4725_SZBK07_lcd_rotary_bb.jpg Blog - MCP4725 12 bit DAC and SZBK07 DC-DC converter Both the 16x2 LCD and the MCP4725 are connected to the microcontroller via i2C. One of the pins of the rotary encoder is connected to an interrupt pin (this is more important for Arduinos). The MCP4725 is connected to +5 V which also serves as a reference voltage, so it is a good idea to measure the real voltage of the +5 V rail if you want to calculate the output voltage precisely. The output of the MCP4725 is connected to a 10 kOhm resistor which then goes to the pin 2-3 of the CV potentiometer. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1606074527823-BOBPWBXJVVJLGP9ANTYQ/DAC_SZBK07Voltage.jpeg Blog - MCP4725 12 bit DAC and SZBK07 DC-DC converter This chart shows the measured output voltage of the SZBK07 as a function of the bit value applied to the MCP4725 DAC (red dots). The black dots show the measured voltage on the output of the MCP4725 DAC vs the applied but value. Both graphs are fitted with a linear function (dashed lines) and they show a very nice fit which suggests that the behavior of both devices is reasonably linear. https://curiousscientist.tech/blog/stepper-motor-with-two-arduinos monthly 0.5 2020-11-21 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1605900986860-QTDZKYVBBQA6XGYZ8YFO/tb6600_arduino_wiring_dual.jpg Blog - Dual Arduino solution for smooth and effortless stepper motor control The master Arduino is connected to the computer via USB. The slave Arduino is connected to the master via the A4 and A5 terminals. The master Arduino feeds the slave with power, therefore their 5 V and GND have to be connected together. The slave takes care of the stepper motor, therefore the stepper motor controller (in this case a TB6600) is connected to it. Any kind of stepper motor controller can be connected to the slave. For more example, check this demonstration. Note: If you connect both Arduinos via USB, do not connect their 5 V together! Only A4, A5 and GND should be connected. https://curiousscientist.tech/blog/szbk07-thermostat-peltier-cooling-final monthly 0.5 2024-04-04 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2945b669-635e-449d-9afd-45656084bd6e/stm32_controlCircuit_NTC_Final.JPG Blog - Microcontroller controlled digital thermostat for Peltier coolers The MCP41100 uses SPI and the 20x4 LCD uses i2C communication (notice that the schematic shows a 16x2 LCD). The rotary encoder uses the PB3 for CLK, PB4 for DT and PB5 for SW. The wiper of the MCP41100 is connected to the 10 kOhm resistor which is connected to the pin 2-3 of the CV potentiometer on the SZBK07 board. The NTC resistor is in a voltage divider configuration with a 10 kOhm resistor. The input voltage of the divider is +3.3 V and the Vout of the voltage divider is measured on the A0 pin. The MCP41100 gives +5V by default when the bit value is 0. By increasing the bit value, the output voltage of the digital potentiometer drops. https://curiousscientist.tech/blog/20x4lcd-rotaryencoder-menu monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615748687773-N7SLBRLUBD152QDIXFDT/rotary_menu_LCD.JPG Blog - Advanced menu system with rotary encoder Notice: The illustration shows a 16x2 display, but the code works with a 20x4! The push button and the rotary encoder is connected to the microcontroller using the PB3, PB4 and PB5 pins. The rotary encoder has 2 100 nF capacitors connected to it. One is between the CLK and GND pins and the other is between the DT and GND pins. This should help to debounce it. The Keyes KY-040 have two 10 kOhm resistors on the PCB by default. The button uses a 4.7 kOhm resistor. Note that for Arduino, you need to use different pins for the interrupt. The display (20x4 LCD!) is using the i2C protocol. You can see the connections for both Arduino and STM32. https://curiousscientist.tech/blog/szbk07-dcdc-buck-converter-voltage-divider monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744448936-93N32WA9PVCFS00WPZU4/typical_circuit_divider.jpg Blog - Some additional ideas for the SZBK07 DC-DC converter A typical application circuit for the LM25116 buck controller. The voltage divider which controls the output voltage is highlighted with a red rectangle. In the SZBK07 DC-DC converter, the R3 = 3.74 kOhm resistor is replaced by a 100 kOhm trimmer potentiometer and the R4 = 1.21 kOhm resistor is replaced by a 3.9 kOhm resistor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744419241-6TH7QS9QQJS212N8PEYR/voltage_divider.JPG Blog - Some additional ideas for the SZBK07 DC-DC converter The highlighted parts belong to the voltage divider. In the SZBK07 DC-DC converter, the R3 = 3.74 kOhm resistor is replaced by a 100 kOhm trimmer potentiometer and the R4 = 1.21 kOhm resistor is replaced by a 3.9 kOhm resistor. The output voltage can be adjusted with the RFB1 (R4) and RFB2 (R3) values. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744437369-5NLD5Y1XLT56J2OSC5M0/voltage_divider_values.JPG Blog - Some additional ideas for the SZBK07 DC-DC converter The voltage divider with some typical potentiometer values in the SZBK07 circuit. The voltage values represent the maximum output voltages that can be achieved on the SZBK07 DC-DC converter. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744402801-HKZZ2BJHVV1QYXKOZGJX/potmeters.JPG Blog - Some additional ideas for the SZBK07 DC-DC converter The input of the rheostat network (50 kOhm potentiometer) is connected to a 5 V voltage source in my demonstration. It can be a different value, but it has to be a fix voltage! For example the input power supply of the DC-DC converter is supposed to be a stable and fixed supply, so you can connect the network to it. The output of the network is connected to the CV potentiometer’s 2-3 pin. These pins are connected together for the CV potentiometer because it is also used as a rheostat. https://curiousscientist.tech/blog/szbk07-thermostat-peltier-cooling monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744488132-OH81QWRSRM8C3GPROIEG/stm32_controlCircuit_NTC.JPG Blog - Building an SZBK07-based thermostat for Peltier cooling The MCP41100 uses SPI and the 16x2 LCD uses i2C communication. The rotary encoder uses the PB3 for CLK, PB4 for DT and PB5 for SW. The wiper of the MCP41100 is connected to the 10 kOhm resistor which is connected to the pin 2-3 of the CV potentiometer on the SZBK07 board. The NTC resistor is in a voltage divider configuration with a 10 kOhm resistor. The input voltage of the divider is +3.3 V and the Vout of the voltage divider is measured on the A0 pin. The MCP41100 is giving +5V by default when the bit value is 0. By increasing the bit value, the output voltage of the digital potentiometer drops. https://curiousscientist.tech/blog/ads1256-arduino-stm32-sourcecode monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/mcp41100-szbk07-digital-dcdc-converter monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744591443-V2XRUEYYRBTI0UTI04Z4/stm32_controlCircuit.JPG Blog - Building a digital control circuit for the SZBK07 DC-DC buck converter The project is built around an STM32 circuit which takes care of the rotary encoder, the 16x2 LCD and the MCP41100 8 bit digital potentiometer. The rotary encoder changes the value of a variable between 0-255 which is then forwarded to the MCP41100 and causes a change in the output voltage of the wiper. This output voltage is then goes to the pin 2 or 3 of the CV trimmer potmeter on the SZBK07 DC-DC converter through a 10 kOm resistor. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744605984-80G8P3Q4T7AGJW89TZMK/szbk07-pin2_3.jpg Blog - Building a digital control circuit for the SZBK07 DC-DC buck converter The 10 kOhm resistor from the left hand side picture is connected to the pin 2 or 3 of the CV trimmer potentiometer. They are connected together on the PCB, so it does not matter which pin you use. https://curiousscientist.tech/blog/szbk07-dcdc-buck-converter-control monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744709525-025F5PRU0U4H9YPM23AH/potmeter.JPG Blog - Controlling the SZBK07 DC-DC converter The arrangement of the potentiometer and the extra resistor used in the circuit. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744742661-RFHQOC8KCWWI5PXLSLMF/DC-DC_pins.jpg Blog - Controlling the SZBK07 DC-DC converter The back side of the SZBK07 PCB. The most important parts are marked on the picture. https://curiousscientist.tech/blog/using-four-different-stepper-motor-drivers monthly 0.5 2020-11-15 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744858941-1U8F5AEJ5MF2J76SGV5M/A4988_example.JPG Blog - Let’s discuss different stepper motor drivers - A4988 example https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744858952-3NCYAUXNIH5JFQNAQE6T/drv8825_example.JPG Blog - Let’s discuss different stepper motor drivers - DRV8825 example https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744860089-54PDW4MDWCEHGHNMBT6C/easydriver_example.JPG Blog - Let’s discuss different stepper motor drivers - EasyDriver example https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744860875-S45Q3IL91XGCFDHJLIV7/tb6600_arduino_wiring.jpg Blog - Let’s discuss different stepper motor drivers - TB6600 example https://curiousscientist.tech/blog/building-and-testing-new-water-cooler-system monthly 0.5 2020-10-04 https://curiousscientist.tech/blog/ntc-thermometer-stm32-arduino monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615744964040-MLUQVOP3N8XDR79GR0ET/thermistor_schematics.JPG Blog - NTC thermistor-based thermometer Schematics of the circuit shown in the video. The R1 is identical to the value of the NTC thermistor: 10 kOhm. Thus, the output voltage of the voltage divider at 25°C is the half of the supply voltage. When you use the STM32, make sure that the ADC pins are never subjected to voltages higher than 3.3 V. You can avoid this by replacing the R1 with a larger resistor than the value of the NTC (3-5x larger is OK). https://curiousscientist.tech/blog/what-is-the-pressure-inside-a-soda-can monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745007374-WVPSE44M8VNQB5QPCLC4/LM317_wheatstone.JPG Blog - What is the pressure inside of a soda can? Wheatstone bridge (left) and voltage regulator (right) circuits. All resistors are 350R, and one of the resistors is replaced by a strain gauge to get an unbalanced quarter bridge circuit. The voltage regulator is adjusted via the potentiomer which is connected to the circuit in a so-called rheostat mode. In my example, the input voltage is 12 V and the output voltage is 5 V. https://curiousscientist.tech/blog/strain-gauge-ads1256-pga monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745039314-NZAYSWW1PBQBXL5288DA/LM317_wheatstone.JPG Blog - Measuring the output of strain gauges A simple sketch of the circuit I was using in the demonstration. One of the 350R resistors (upper right) in the Wheatstone bridge is replaced by a strain gauge. The potmeter allows you to adjust the input voltage of the Wheatstone bridge. The input voltage of the regulator is 12 V. The capacitors are 10 uF capacitors. The output voltage of the Wheatstone bridge is used for further analysis. https://curiousscientist.tech/blog/strain-gauge-installation-demo monthly 0.5 2020-09-16 https://curiousscientist.tech/blog/accelstepper-updates-clientsoftware monthly 0.5 2020-11-11 https://curiousscientist.tech/blog/peltier-based-cooling-box-refrigeration monthly 0.5 2020-11-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599508100257-GXJ9XRY9M4ERZEPPL4G6/dualtec_2bottles_fitting_compressed.jpg Blog - Peltier based cooling box - Refrigeration test Evolution of temperature during the experiment. The linear fitting is used to predict the time needed to cool the water to 4°C. https://curiousscientist.tech/blog/lm317-high-current-regulator monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745156030-RBIP5DT1LBS5E3WQQQAZ/LM317_kiCad.JPG Blog - LM317-based high-current adjustable power supply Copy of the high-current adjustable regulator circuit from the datasheet of the LM317 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745165391-470FMOCOS40KLSCY77J8/LM317_kiCad_3d.JPG Blog - LM317-based high-current adjustable power supply 3d image of the PCB. https://curiousscientist.tech/blog/how-to-read-peltiers-performance-chart monthly 0.5 2020-11-15 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598902482854-LYNSWPNR4ZGKH2TNTLYM/TEC12703-50C-V.jpeg Blog - How to read Peltiers’ performance chart? Voltage - DT curves at different currents for TEC12703 at 50°C hot side temperature. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598903035058-15LB1OIL8GWQ660D6LM6/TEC12703-50C-Qc.jpeg Blog - How to read Peltiers’ performance chart? Cooling power - DT curves at different currents for TEC12703 at 50°C hot side temperature. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598906013174-BXU4H8SJ0RBBKEE9KV15/12703_1.JPG Blog - How to read Peltiers’ performance chart? 1.) First, we need to draw a vertical line on the Voltage-DT chart at the desired DT value. This vertical line will intersect the lines of the different currents. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598906020380-WTXNMELRPVKMYTHSKDAY/12703_2.JPG Blog - How to read Peltiers’ performance chart? 2.) Then we check the voltages at each current. To obtain this, we draw a horizontal line at each point where DT intersects the current charts. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598906023972-DMOTCKNY208ZB25U4QO9/12703_3.JPG Blog - How to read Peltiers’ performance chart? 3.) We calculate the rejected heat based on the current and voltage. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598906027341-5WLVH141JUTIW97GBA6W/12703_4.JPG Blog - How to read Peltiers’ performance chart? 4.) Finally, we move to the cooling power-DT chart, draw a vertical line at the desired DT and note down the different cooling powers at different currents. https://curiousscientist.tech/blog/peltier-based-cooling-box-second-iteration-improvements monthly 0.5 2020-11-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598726912865-BRL9F7AJX69BGMAKS7D0/12710-Dual-12A_compressed.jpg Blog - Building a Peltier cooler-based cooling box - Second iteration, improvements Different temperatures from the experiment. https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598726933021-YEX62KS53MMQJ6HMZZCY/cold_side_heatsinkComparison_compressed.jpg Blog - Building a Peltier cooler-based cooling box - Second iteration, improvements Comparison of cold side temperatures. https://curiousscientist.tech/blog/peltiers-serial-or-parallel monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745389007-BZLISF8PNZLDH9JUF7I2/series_calculation_1.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745388996-X3XLMACMCWLJGMRTBU66/series_calculation_2.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745389414-L6A6BE5UARG0KSW03OZS/series_calculation_3.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745389456-Y3VUTHG2YECMTQ67WZZ0/series_calculation_4.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745389845-D7VAFGJS23TXAGT882J7/series_calculation_5.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745389940-L617K0KE6326YRZDRA48/series_calculation_6.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745390278-3KOTDMOIZWH8R3TR31P1/series_calculation_7.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745390911-0PUWIUUYABQS0V3075AM/series_calculation_8.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745390769-0GNVO6UYB87OKKD0TUQF/series_calculation_9.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745391240-J8A5AUQZCI6G92ZDH3DB/series_calculation_10.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745391335-YIQ0BMPJBJYIURJ8YIVR/series_calculation_11.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745391687-HEV3SPDRYY7AG8SHI3PJ/series_calculation_12.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745391897-P43M9LW45SGW4TTWZ546/series_calculation_13.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745392181-7CV3S8B5CU890RSMEQYP/series_calculation_14.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745392421-VQAYB82OQ7ZQ77DUOKCY/series_calculation_15.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745392997-6ODE5B2CAICLDO14XAAT/series_calculation_16.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745393425-6LOWUA163ZNAMDGRTCZN/series_calculation_17.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745393570-V0ATRF4O5186N3OQHXUF/series_calculation_18.JPG Blog - Let's discuss about Peltier coolers #10 - Serial or parallel connection? https://curiousscientist.tech/blog/cheap-solder-fume-extractor monthly 0.5 2021-01-14 https://curiousscientist.tech/blog/dual-tec12710-assembly monthly 0.5 2020-08-27 https://curiousscientist.tech/blog/peltier-cooling-box-second-iteration monthly 0.5 2020-11-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598523769743-KGPTE454WYW6QI4CS2FH/dual_TEC12710Graphs_compressed.jpg Blog - Building a Peltier cooler-based cooling box - Second iteration The results of the two tests. Test 1 is without aluminium foil cladding, Test 2 is with cladding and better airflow around the cold side heatsink. https://curiousscientist.tech/blog/peltier-cooling-box-improvements monthly 0.5 2020-11-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598279216249-W3ER3L0LPO46VWZAIVE8/Temperature_comparison_compressed.jpg Blog - Building a Peltier cooler-based cooling box - First iteration, improvements Results of the previous (Test 1) and recent tests. The thermometers were unchanged. https://curiousscientist.tech/blog/peltier-cooling-box-tec12708 monthly 0.5 2020-11-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1598211130923-6PJ0N1YWZREW7HIIKFOA/Temperatures_compressed.jpg Blog - Building a Peltier cooler-based cooling box - First iteration Measured temperatures for the 4 different thermometers. https://curiousscientist.tech/blog/k2e6phph393nfbyrot8lr0n1e98irx monthly 0.5 2020-08-16 https://curiousscientist.tech/blog/vapor-assisted-cooling-2 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/vapor-assisted-cooling-1 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooled-watercooling-loop monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/circuit-bending-1st-test monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-personal-air-conditioner monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/working-on-heatsink-arrangements monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/accelstepper-joystick-tb6600 monthly 0.5 2021-03-15 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615839244893-7HQL7B9R1W3LZCR4SCS8/joystick_2steppers_wiring_corr.jpg Blog - Multiple stepper motors with joystick, TB6600 and the accelstepper library To avoid making the image too crowded, I just added 1 stepper motor and controller. The second motor is connected in the exact same way except its two signal pins which are connected to the Arduino. You can see it in the source code below too, but I connected the second TB6600 to the Pin 11 (DIR-) and Pin 10 (PUL-). The 3 potentiometers in the joystick is illustrated with the 3 potmeters. The LED is connected to Pin 3 which is the output of the PWM signal (see code below). The resistor’s value is 150 Ohm. https://curiousscientist.tech/blog/arduino-with-joysticks-part2 monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745641837-8J027ML4FMVKALD838TO/joystick_3pot.JPG Blog - Arduino and joysticks - Part 2 - 3-axis joystick A simplified representation of the joystick. Since the joystick is basically just 3 potentiometers, I illustrated it by this way. You just have to make sure that you connect them to the correct analog inputs. The LCD uses the i2C protocol, so two cables go to the A4 (SDA) and A5 (SCK) analog pins and the rest is the +5 V and the GND connection. https://curiousscientist.tech/blog/arduino-menu-navigation-rotary-encoder monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745693682-D70UJ5T43HENCEDL3OP8/rotary_menu.JPG Blog - Arduino menu navigation with rotary encoder and LCD The five LEDs represent the different options selected within the menu. The color of the cable represents the color of the LED. The LCD uses the i2C protocol, so it uses 2 analog pins (A4: SDA, A5: SCK), plus the +5 V and GND connections. I added 150 Ohm resistor to all LEDs, however, some of them would run better with different values. Use some online calculators to get the optimal values for each LED. https://curiousscientist.tech/blog/cooling-peltier-heatsinks-with-evaporation monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/arduino-with-joysticks-part1 monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745744601-P67N3IGJAXEU84FR3VYM/Joystick_fritzing.JPG Blog - Arduino and joysticks - Part 1 - Introduction The joystick on this image looks a bit different from the one I show, but the only thing that matters is the wiring. The joystick has 2 “inputs”: VCC (+5 V or +3.3 V, it does not matter in this demonstration) and GND; and has 3 outputs: VRX, VRY, SW. VRX and VRY are the potentiometers for the X and Y-axis, respectively, and SW is the switch. Therefore, VRX and VRY go to the analog inputs of the microcontroller, and SW goes to an interrupt pin. The LCD uses the i2C protocol, therefore it uses A4 (SDA) and A5 (SCK) pins for the data. https://curiousscientist.tech/blog/mcp41100-digital-potentiometer monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745818639-Z5I9D19ILQV78F6FUCXE/mcp41100_wiring.JPG Blog - MCP41100 digital potentiometer with Arduino/STM32 This is a simplified wiring diagram for the MCP41100 digital potentiometer. The two potentiometers are using the same SPI pins, but their chip select (SS or CS) pins are controlled by different digital pins. This is how we switch between the two different chips. The outputs of the potentiometers are “potmeter 1” and “potmeter 2”. Since, they work as voltage dividers, the outputs simply give some voltage based on the settings we apply via the microcontroller. A0 and A1 is used to confirm the values of the potmeters by measuring the output voltages. https://curiousscientist.tech/blog/ping-pong-with-the-accelstepper-library-and-two-limit-switches-polling-and-interrupts monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/lets-discuss-about-peltier-coolers-3-cooling-the-hot-side monthly 0.5 2020-07-27 https://curiousscientist.tech/blog/lets-discuss-about-peltier-coolers-2-performance-chart monthly 0.5 2020-07-27 https://curiousscientist.tech/blog/peltier-water-pump-analogy monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/ads1256-board-comparison monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/ads1256-stm32f103-development-board monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/ads1256-stm32-test monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-freezing-test-tec12715 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-freezing-test-tec12710 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-freezing-test-tec12708 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/arduino-acs712-powermeter monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615745917282-X2JIQ3X490B54WN2ZNXX/powermeter_wiring.JPG Blog - Arduino power meter based on the ACS 712 and the ADS1115 The wiring diagram looks a bit messy, I know, but bear with me. The OLED display and the ADS1115 AD-converter uses the same i2C protocol for communication. Therefore, both of them are connected to the same pins: A4 (SDA) and A5 (SCK). Both of them use the VCC (+5 V) and GND connections. One half of the differential inputs of the ADS1115 is directly connected to the output of the ACS712 current meter (A0: OUT, A1 GND), and the other half is connected to a voltage divider to increase the range of measurement from 0-5 V to 0-20 V. This requires some calculations, so check the video for it. The load is represented by a Peltier unit and the power source for the Peltier is represented by a 9 V battery. https://curiousscientist.tech/blog/ds18b20-4channel-temperature-logger monthly 0.5 2020-11-15 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595668499474-6ULMIAOK7CF53VTHY4HG/4_ds18b20_bb.jpg Blog - 4 channel temperature logger based on the DS18B20 sensors The connections are fairly simple. The SD card reader used the SPI protocol and the OLED display uses the i2C protocol. Their connections are shown on the image. The four DS18B20 thermometer chips are connected parallel to the same input pin (D5) on the Arduino. They also need a pull-up resistor (4.7 kOhm). The toggle switch is used to switch between two modes: writing the data on the SD card or not. https://curiousscientist.tech/blog/peltier-freezing-test-tec12706-2 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-stacking-part3 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-stacking-part2 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-stacking-part1 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-freezing-test-tec12706-1 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/cooling-setup-introduction monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-freezing-test-introduction monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/lm335-thermometer-4channel-logger monthly 0.5 2020-11-15 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595668877181-KC074SBLUGM4H5KVH047/Sketch_LM335.jpg Blog - 4 channel temperature logger with Arduino, SD card, LM335 and ADS1115 The ADS1115 AD-converter and the 16x2 LCD are using the same i2C connections (SDA: A4, SCK: A5). The SD card reader uses the SPI protocol. The start and stop buttons are connected to the interrupt pins (D1, D2). The LEDs are used to provide visual feedback for the user. The four LM335 thermometer chips are connected to the inputs of the ADS1115 AD-converter. The AD converter is used in single-ended mode, so we can use all 4 channels. https://curiousscientist.tech/blog/reasons-why-you-cannot-use-peltier-for-air-conditioning monthly 0.5 2020-07-27 https://curiousscientist.tech/blog/peltier-testing-conclusions monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/dcdc-converter-potentiometer-replacement monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooler-testing-tec12715 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooler-testing-tec12710 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooler-testing-tec12708 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooler-testing-tec12706 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooler-testing-tec12703 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooler-testing-introduction monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/arduino-air-quality-monitor-improved monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615746060015-XTYW0KN2JMWQL95U96S7/airquality_new.JPG Blog - Arduino-based air quality monitor - new version This project contains three i2C devices: OLED display, CCS811 air quality sensor, BME280 temperature/air pressure/humidity sensor. They are all connected to the same pins: A4 (SDA) and A5 (SCL). The dust sensor is connected to the Arduino in two ways. One digital pin is switching the infrared LED on and off, and an analog pin is measuring the output voltage which is proportional to the amount of dust in the dust sensor. https://curiousscientist.tech/blog/bcc-schmid-factor-calculator monthly 0.5 2020-11-16 https://curiousscientist.tech/blog/fcc-schmid-factor-calculator monthly 0.5 2020-11-11 https://curiousscientist.tech/blog/electron-microscopy-8-optical-aberrations monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/electron-microscopy-7-lenses monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/arduino-stepper-motor-rotary-encoder-buttons monthly 0.5 2021-01-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610385997563-8OKOFYDW2YUMMW4YBU7S/accelstepp_butt_bb_compressed.jpg Blog - Stepper motor control with buttons and rotary encoder The schematics of the circuit used in the demonstration. The TB6600 stepper motor driver was not added to the drawing but only the step and direction wires coming from the Arduino. The TB6600 can be exchanged with an Easy Driver or a DRV8825 or an A4988 stepper motor driver. All four drivers work with the same principle, therefore they just need the step and direction signals from the microcontroller and that’s all. https://curiousscientist.tech/blog/watercooling-with-peltier-tec12715 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/4x-tec12706-fridge-water-cooled monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/stepper-motor-direct-control-rotary-encoder monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/arduino-rf433-transmitter-receiver monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615746588139-LGBSNB9FN9IW0JNGOBY1/RF433_circuitDrawing.JPG Blog - RF 433 Transmitter and Receiver with sensors and OLED displays RF433 transmitter (left) and receiver (right). The sound sensor show in the video is substituted by a potentiometer on the drawing. It emulates a signal level. The displays are i2C compatible OLED displays. They are connected to A4 (SDA) and A5 (SCL) pins. https://curiousscientist.tech/blog/introduction-strain-gauge monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/arduino-air-quality-measurement monthly 0.5 2020-11-15 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595712374789-LTCK32VPVVE5X9UVBHIK/airQuality_old.jpg Blog - Measuring the air quality with CCS811 and GP2Y1010AU0F The CCS811 sensor (bottom) uses the i2C protocol to connect to the Arduino. The dust sensor (top) is connected via a digital pin and an analog pin. The capacitor is a 220 uF electrolytic capacitor (pay attention to the polarity). The resistor is a 150 Ohm resistor. https://curiousscientist.tech/blog/arduino-tb6600-wiring-stepper-motor monthly 0.5 2020-11-11 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1596042977930-1CNWJ9TPOCV1T2QOF5L8/tb6600_arduino_wiring.jpg Blog - TB6600 and Arduino - Wiring and demonstration Simplified wiring diagram for the TB6600 stepper motor driver. This is the way I connect the stepper motor to the driver and to the Arduino in all of my videos. The positive signal pins, ENA+, DIR+ and PUL+ are connected to the +5 V rail of the Arduino. The ENA- is not connected, DIR- is the direction pin which is PIN 9 in all my projects, and PUL- is the pulse (or step) pin which is PIN 8 in all my projects. The motor is connected with the same wiring order, however it might happen that your stepper motor’s cables are colored differently. The power supply should be at least 12 V with at least 3 A. https://curiousscientist.tech/blog/arduino-accelstepper-tb6600-stepper-motor monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/ads1256-board-test monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/ads1256-board-comparison-3-boards monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/power-meter-correct-wiring monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/ads1256-analysing-spi-data monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/ads1256-single-multichannel-acquisition-rdatac monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/ads1256-rdata-conversion monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/ads1256-reading-writing-registers monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/ads1256-registers-demonstration monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/miniature-tensile-testing-machine-updates-20200105 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/hall-petch-worked-example-calculation monthly 0.5 2020-11-11 https://curiousscientist.tech/blog/creep-nortons-law-worked-example-calculation monthly 0.5 2020-11-11 https://curiousscientist.tech/blog/strain-rate-sensitivity-worked-example-calculation monthly 0.5 2020-11-11 https://curiousscientist.tech/blog/misorientation-orientation-matrix-ebsd monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/euler-angles-and-orientation-matrix monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/bcc-schmid-factor-resolved-shear-stress monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/date-and-time-based-watering-system monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615747058976-BIDC3WWOA3QVQ411WO5G/watering_lcd_rtcmodule.JPG Blog - Date and time based watering system using an Arduino and a RTC module The real time clock module (DS3231) and the 16x2 LCD use the same i2C connection. The SDA is connected to A4 and the SCL is connected to A5. The pump is connected to the relay which is controlled by the D2 pin of the Arduino. If you want to use the interrupt function for some reason, it is better to use other digital pin for the relay. The switch is also connected to a digital pin (D3) to turn the pump ON/OFF. https://curiousscientist.tech/blog/stm32-st-link monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/below-minus-40-with-stacked-peltier-coolers monthly 0.5 2020-11-11 https://curiousscientist.tech/blog/4x-tec12706-water-cooled-peltier-block monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/saving-sensor-data-to-sd-card-using-arduino monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615747287912-5P9RITJ7EM09LJH5X4B3/sd_sensor.JPG Blog - Saving sensor data to SD card using Arduino The SD card reader uses the SPI protocol and the 16x2 LCD uses the i2C protocol to communicate with the Arduino. The LM335Z thermometer chip is connected to A0 via a 2 kOhm pull-up resistor connected to 5 V. https://curiousscientist.tech/blog/accelstepper-tb6600-homing monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/kpm12-j-displacement-sensor monthly 0.5 2021-05-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615747358491-3G5JH341SUR7ZUOUGEJV/kpm-ads_LCD.JPG Blog - KPM12-J High-Resolution Resistance-Based Displacement Sensor Both the ADS1115 and the 16x2 LCD are using the i2C protocol. I did not find the model for the KPM12-J sensor, so I substituted it with a regular potentiometer. Technically, there is no difference between them from the ADC’s point of view: both are just some voltage dividers. https://curiousscientist.tech/blog/miniature-tensile-specimen-fracture monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/dc-pwm-motor-arduino-control monthly 0.5 2021-03-14 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1615747499344-L8JWFKRFUNHTPH69QC29/l298N.JPG Blog - DC Motor PWM control with a potentiometer and L298N The L298N is used only in 1 direction mode in this particular example. The demo only shows the PWM control through reading the value of a potentiometer. https://curiousscientist.tech/blog/tensile-testing-different-specimens monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/diy-miniature-tensile-testing-machine-update-20191020 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/arduino-plotting-serial-data monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/arduino-serial-terminal monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/arduino-serial-communication monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/arduino-jcs-900-digital-readout monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/diy-miniature-tensile-testing-machine-update-20191004 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/stepper-motor-linear-motion monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/dso150-oscilloscope-assembly monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/diy-variable-power-supply-2channel monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/electron-microscopy-5-field-emission-gun-feg monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/electron-microscopy-6-electron-sources monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/electron-microscopy-4-lab6-gun monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/caliper-based-dro monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/arduino-accelstepper-tb6600-walkthrough monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/linear-potmeter-displacement-sensor-part2 monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/linear-potmeter-displacement-sensor-part1 monthly 0.5 2020-11-15 https://curiousscientist.tech/blog/diy-tensile-testing-machine-update-20190708 monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/electron-microscopy-3-tungsten-gun monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/electron-microscopy-2-structure-of-sem monthly 0.5 2020-11-11 https://curiousscientist.tech/blog/electron-microscopy-1-introduction monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/peltier-cooling-in-practice monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/theory-of-peltier-cooling monthly 0.5 2020-09-25 https://curiousscientist.tech/blog/geiger-muller-counter-radiation-detector monthly 0.5 2022-07-04 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1b71ed4d-9529-4bb2-9519-587b362d26f3/GM_arduinoUno.jpeg Blog - Geiger-Müller counter demonstration - Make it stand out Pin connections for Arduino Uno as demonstrated in the video. The Geiger-Müller board is powered by the Arduino by the +5 V and GND connections. The VIN pin of the board goes to pin 2 on the Arduino which is an interrupt pin. 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https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058555176-QDDN8QPAT2AFOSOXCWZ5/DSC03837_compressed.jpg Parts & Tools Corner bracket for 2020 profile https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595023026490-KLSGUNNGB2A7PHCDCGHR/DSC03756_compressed.jpg Parts & Tools Soldering prototype board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c1008f97-9553-41e7-b520-8e974c5291d6/150150MicaHeater.jpg Parts & Tools Mica heater with holes https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/69813120-b43c-467f-bc28-61cd063db763/IMG_9660.jpg Parts & Tools ADS1254 24-bit module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019709599-ZXILW5FNZ54Y1LA93BHE/DSC03777_compressed.jpg Parts & Tools ST-LINK V2 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019682920-DL5WQ9VQDN7VBVYHZYVV/DSC03725_compressed.jpg Parts & Tools 0.91" OLED display 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Parts & Tools 24 V 5 A power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058567726-961GW8N0BCDA6YAG5C4L/DSC03830_compressed.jpg Parts & Tools Lead screw T8 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595023025548-KQZ8RV7EA41EWGI447XW/DSC03804_compressed.jpg Parts & Tools Ion chamber - Americium 241 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019704756-USDXN1NNQTJVQN0FF1E5/DSC03768_compressed.jpg Parts & Tools ADS1256 8 channel 24-bit ADC https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019700085-GPU8FZMINPZEK6UNU1PH/DSC03765_compressed.jpg Parts & Tools ATmega328P Uno https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/384b7e9f-25db-4435-93c2-a39d7fc21f1d/nema8Motor.jpg Parts & Tools NEMA 8 stepper motor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058277744-PEZT6HQ1ELQ43467YD96/DSC03811_compressed.jpg Parts & Tools 80 mm x 40 mm water cooling block https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8fb972fb-96be-4554-ad54-1f16fdae9c4a/IRheater_large.jpg Parts & Tools 18x18 cm IR ceramic heater, 800 W https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022257659-DZKE1IV9KVE5T5U1GRXX/DSC03782_compressed.jpg Parts & Tools Stereo jack plug https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2301ba6c-5b19-45ab-a930-3419753329fd/1200wBoostConverter_c.jpg Parts & Tools 1200 W DC-DC Boost converter (20 A) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058566592-J9I02ZEU4UWGRKS6X7Q4/DSC03831_compressed.jpg Parts & Tools Anti-backlash nut for leadscrew https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058836947-XLGJGQMG4MUIV757X316/DSC03815_compressed.jpg Parts & Tools A bunch of LEDs 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https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/89832c75-4f6f-4a4a-8d33-0475ce7752b4/CS1237Module.jpg Parts & Tools CS1237 24-bit ADC module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019709228-LTD6IOCLHA33W29VETX4/DSC03780_compressed.jpg Parts & Tools FTDI - USB converter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1632601356586-SG5T58CZ1NYUZM4PESHR/DSC03744_compressed.jpg Parts & Tools Nokia 5110 LCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0516bda8-ebad-4aa8-8a37-8023674052d4/sfu1605CarriageNema17.jpg Parts & Tools SFU1605 linear actuator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020910361-UW9YBDLOF2NF41E7FSVQ/DSC03797_compressed.jpg Parts & Tools Clamp multimeter for high currents https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1597864056312-7PJ058L4JPWHRQF6DSGV/DSC03874.jpg Parts & Tools 100x50x30 mm Al heatsink 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5 V - Voltage regulator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058558882-F2P3IYWY093XV7Y2IWL9/DSC03826_compressed.jpg Parts & Tools KP008 pillow bearing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595069245506-RM5O6UTME6QPMUO1T5EO/DSC03847_compressed.jpg Parts & Tools Ceramic capacitor kit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1606668966848-7RXXN9VV6J0KJKBHLPUW/DSC03926_compressed.jpg Parts & Tools MCP4725 12 bit DAC https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a09bab15-4905-4936-a516-1138da074ee7/WCH-linkDebugTool.jpg Parts & Tools WCH-Link Debugging tool https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0031783d-184c-48fb-aab5-4b2831f073c9/12864_i2c_LCD.jpg Parts & Tools 128x64 Graphical LCD (i2c, ST7567S) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595064049543-HDNB8IXJQSZUZ9T4758M/DSC03817_compressed.jpg Parts & Tools Miniature stepper motor with guide https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020911481-HZOH5302RL9W292M5AFZ/DSC03800_compressed.jpg Parts & Tools Screwdriver set https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595021208061-HLDE01IFLTC793WTRH5I/DSC03801_compressed.jpg Parts & Tools 40 mm x 40 mm heatsink https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022257049-V2XRAXNH6ALJRVW7S50Q/DSC03738_compressed.jpg Parts & Tools GX16 connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e7180dbb-b6b8-4509-9ca1-ba2fefc98adc/DSC04040.jpg Parts & Tools XL6009 based DC-DC Boost Converter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058567848-C4NMB2SA7PPM4V7ODEA0/DSC03834_compressed.jpg Parts & Tools Flat pillow bearing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595069245670-P2VFB4W1ZHLXTLYO3Q6L/DSC03848_compressed.jpg Parts & Tools Electrolytic capacitor kit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019684891-KQJ86EDW7UGIP0D3WH86/DSC03740_compressed.jpg Parts & Tools Relay module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/5c7a1fcc-21f4-4dfe-ab31-d24cd767f3c6/DSC04061.jpg Parts & Tools 1.8" LCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1c6afa8d-c5f6-4817-b642-cd0b9148c713/20mmStrokeMiniActuator.jpg Parts & Tools 20 mm stroke length stepper actuator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1606670419126-50YB2K11AD7ABPJ415HE/DSC03928_compressed.jpg Parts & Tools Two-sided 80x40x40 mm heat sink channel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9c5a160b-ef91-45d0-9905-7068a46a29d1/usb_enclosureMount.jpg Parts & Tools USB panel mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/15dd2746-fe15-43e7-81c7-ec7053d87f4d/DSC04039.jpg Parts & Tools DC-DC Dual Supply Converter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610471087141-M7Z778ES8N5ZDMOQA4ZY/DSC03971.jpg Parts & Tools F8-22M Thrust bearing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595069245032-WMCONUVK82IZRG6MPV60/DSC03843_compressed.jpg Parts & Tools Breadboard wires https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/08f33c52-1966-4a8d-97be-27d9cf555f43/DSC04015.jpg Parts & Tools 16-key keypad https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fa1214f3-c5c0-4b19-8597-41177a443da5/ch32f4p6_dev.jpg Parts & Tools CH32V003F4P6 Dev board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9320921d-907c-41bc-9a14-d23352b3da04/makersThirdHand.jpg Parts & Tools Large makers' third hand https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/05db663a-9227-47b7-9f81-fb12509a5a1c/80mmStrokeMiniActuator.jpg Parts & Tools 80 mm stroke length stepper actuator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610471087139-IBWBJC4ZUVMWFL4J7YU1/DSC03969.jpg Parts & Tools F688ZZ Flange bearing with block https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595069245670-N0TU4ZWOMO40Z3E5T3SL/DSC03844_compressed.jpg Parts & Tools Jumper cables for breadboard circuits https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/01819551-cb4c-4d75-9aa8-f8e7f35f7fa9/DSC03983.jpg Parts & Tools Rotary encoder with debouncing circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ee74fa14-3007-4485-a259-0cb4e943243a/DCDC_converter_small.jpg Parts & Tools MP2315-based voltage regulator, 3A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2efe0032-7686-4ef7-bbbc-d74334d551a5/wch_linkE_mini.jpg Parts & Tools WCH-LinkE Mini debugging tool https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8489ab42-a20e-405a-99a1-162a1b57a265/magneticClip.jpg Parts & Tools Magnetic clamp for PCBs https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d29f36f9-f9de-42ad-8c34-e7c28b249132/copperHeatsink.jpg Parts & Tools Copper heatsink kit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2620bde3-a704-4a27-a602-5956c771cc72/USBCPanelMount.jpg Parts & Tools USB-C panel mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/318eaad1-2db7-4c08-acc3-b96512dde75c/IMG_9658.jpg Parts & Tools 3.2" LCD, SPI, ILI9341 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1596293089079-XZ4GDCO2SS0H0AVWY0LO/DSC03859.jpg Parts & Tools 1.3" IPF LCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020912904-4VJWH089SPOXC7KJECTN/DSC03806_compressed.jpg Parts & Tools Third hand for soldering https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c7cf0865-1805-43ac-979e-36e7819012f8/DSC04024.jpg Parts & Tools 12 V, 19 W, 800 L/h pump https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022635074-P3TSQUUWHPR03TJSCDKU/DSC03734_compressed.jpg Parts & Tools 3.3 V, 5 V breadboard power supply https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/056d95ac-0621-4376-a826-dca5c46c86bd/DSC04083.jpg Parts & Tools Test hook clips https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022890375-479GG3P2L7IIMAD9DJOG/DSC03735_compressed.jpg Parts & Tools Rotary encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/29e94b8e-e3e5-4fbe-b498-9cd02e0d6bd5/n20GearedMotor.jpg Parts & Tools N20 geared motor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c60c69fc-6aa7-4878-8562-29bbb9ff9aff/ch32v203c8t6_weact.jpg Parts & Tools CH32V203C8T6 - WeAct https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dab05183-8cc0-4161-b40f-446ca1f32e1c/V623ZZ_Bearing.jpg Parts & Tools V623ZZ V groove bearing 3x12x4 mm https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c166076f-8389-4593-a2f5-785e1cc13df1/DSC08688.jpg Parts & Tools 5-way navigation switch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595018245840-7SMDGLG7NSLMXDUGYG2K/DSC03755_compressed.jpg Parts & Tools 16x2 LCD with i2c module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/206e609a-6ed4-4be9-8aca-43b56c8e10cb/DSC04082.jpg Parts & Tools Minature geared motor with encoder and lead screw https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020913325-G47F00ERBARXWJ6V4A2A/DSC03805_compressed.jpg Parts & Tools Heat tool for heat shrink tubes https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1601395282136-N9SZE1LXHVAI8VGKLB3B/DSC03912.jpg Parts & Tools Water pump with built-in tank https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022253484-0H4RDE81M7MFU8GCZ9CH/DSC03774_compressed.jpg Parts & Tools Push button https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2bed185e-af1a-4512-8916-d7f64a3726dd/DSC04019.jpg Parts & Tools Precision potentiometer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058556940-V3GF9Y1GN0JCY2NU3OFY/DSC03827_compressed.jpg Parts & Tools Shaft collars https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595069243274-YJBOMYR6G9W8DEY7X93R/DSC03846_compressed.jpg Parts & Tools Large breadboard https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a058540a-9a2e-4219-9bde-c487e8f5f224/360PPR_rotaryEncoder.jpg Parts & Tools 360PPR rotary encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8280fa3c-6ff9-434f-aad9-2e0b9341c57d/CH32v003f4u6_weact.jpg Parts & Tools CH32V003F4P6 Mini Board - WeAct https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cb68f1e5-e7ac-4b25-9834-933ed53fc725/DSC04106.jpg Parts & Tools 8 digit 7 segment display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058979108-K5S2F090NE0JCO5YERCO/DSC03838_compressed.jpg Parts & Tools Cable stripper https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595021200276-MGAWJV2A3SSHNC3KY5GG/DSC03761_compressed.jpg Parts & Tools 12 V water pump https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1596294334718-D9PI449Z8I3KMZ4S6B2J/DSC03857.jpg Parts & Tools Large momentary switches https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022633299-3LQFAKCAYSYDXVGGU836/DSC03721_compressed.jpg Parts & Tools Potentiometer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058566593-FGETROMFDUX6A4F3O55Z/DSC03833_compressed.jpg Parts & Tools Linear rail shaft support https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c5d4d045-1349-4946-bd4e-83f9ded6984a/DSC03977.jpg Parts & Tools Small breadboard https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4af68ee4-22ac-4a10-9f70-7e0b166dcb3e/DSC03975.jpg Parts & Tools CNC encoder wheel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fd2e25f7-54c9-48d7-95dc-1639fd218d98/n20GearedMotor_rightAngle.jpg Parts & Tools N20 geared motor with right angle shaft https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f196d37b-55cc-4e91-b4fd-afb4206f9713/ch32v003_Devboard_black.jpg Parts & Tools CH32V003F4P6 Mini Board - Black https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058984271-HAZPPYYJWYPUE8JORMYS/DSC03808_compressed.jpg Parts & Tools Infrared thermometer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595021208409-RZADVGH885J7Y1VS6VKM/DSC03794_compressed.jpg Parts & Tools Mist maker https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e294a775-3f54-4174-9448-49d469049767/on-on-onSwitch.jpg Parts & Tools 3-way ON-ON-ON toggle switch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058897488-D342C6FOJN91IKAFW5IV/DSC03814_compressed.jpg Parts & Tools Variable power supply (4-24 V, 2.5 A) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595062339716-Q4R9AA8T7DH8KZEAQMUG/DSC03825_compressed.jpg Parts & Tools Sliding nut for 2020 profile https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919318605-SK042RN96GOJUL27WBHF/DSC03888_compressed.jpg Parts & Tools Stainless steel woven wire mesh https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0ec5ff09-353c-4e7f-bc03-09cfa2c38a9e/DSC04010.jpg Parts & Tools PCF8574 I/O expander https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/792a524a-b143-44a0-99d7-0fd6c814ff1d/n20GearedMotor_HallEncoder.jpg Parts & Tools N20 geared motor with Hall encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7d2dba0e-9bee-4908-8cab-29ed3b55865f/ch32v203f4p6_chip.jpg Parts & Tools CH32V203F4P6 Chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/aa82ba8d-fb5a-4ace-a56f-4647797d3e4c/10digitLCD_SPI.jpg Parts & Tools 10 Digit, 16 segment SPI LCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/790bd95d-72ac-4d49-9c5e-91d28b45140d/DMG80480C043_02WTC.jpg Parts & Tools DWIN LCD Display 4.3-inch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c094b27e-a453-40a2-8896-6854f52171f5/DSC04126.jpg Parts & Tools 36GP-555 DC motor with encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1606669469510-KUSLAE62GMTT7APVDTG5/DSC03930_compressed.jpg Parts & Tools Wire stripper pliers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1606670419780-MMD5LI055W4MHCQS5D3V/DSC03927_compressed.jpg Parts & Tools TEC 12706 Peltier cooler https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022258868-W1EX82SFCB7O48RXBA4M/DSC03789_compressed.jpg Parts & Tools BNC to screw terminal https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919419329-J4QKYRIMEMGLD0U4XDVV/DSC03890_compressed.jpg Parts & Tools D4184 Isolated MOSFET module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919215092-2BHNRYWTAR3FHJQSGYUQ/DSC03901_compressed.jpg Parts & Tools T8 lead screw nut housing block https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919736247-69Q7VZQ3RNBZPUZV4ZA8/DSC03897_compressed.jpg Parts & Tools Bakelite potentiometer knob https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019695503-A41N455SBXTXZPUW9YM7/DSC03759_compressed.jpg Parts & Tools 16 channel multiplexer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bc95bc8f-1834-40b7-9f66-96efa125e2f4/ch32v003f4p6_chip.jpg Parts & Tools CH32V003F4P6 Chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/96dd5531-c9a3-4da2-b09e-e0b0fde782f8/DMG80480C070_04WTC.jpg Parts & Tools Dwin 7.0-inch UART TFT https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d4903144-5dab-420e-9faf-81bf4328c927/DSC04066.jpg Parts & Tools Geared DC motor with encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058979345-AGW34CRBPP0R4X7IJ7PC/DSC03839_compressed.jpg Parts & Tools Ferrule crimp tool https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595021199474-FGD8EJIGJU3SKM116A85/DSC03732_compressed.jpg Parts & Tools TEC12715 Peltier cooler https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022259573-HD50GXF3948OHKA6JCKK/DSC03791_compressed.jpg Parts & Tools BNC plug https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ff043d81-bf3f-49a8-a49d-75bf5c81e093/DSC04043.jpg Parts & Tools 100 V, 20 A DC Power meter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919216807-M4T3EE2XOFXNF75HLKD0/DSC03902_compressed.jpg Parts & Tools NEMA17 mounting plate for 2020 profiles https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919735648-3YP2EWRP2Z83ZX5BX6HQ/DSC03899_compressed.jpg Parts & Tools Potentiometer knob - coloured https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c36550a3-2de5-411e-b1b7-e45f84d67c85/DSC04060.jpg Parts & Tools TXS0108E Level shifter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/719a1ae6-0d13-4e74-b0a8-10a1c5864788/ch32v006k8u6.jpg Parts & Tools CH32V006K8U6 Chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0b88d541-6547-4a4e-af00-8c79cf868ba8/WeAct_einkDisplay.jpg Parts & Tools WeAct 2.13" E-ink display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9ca70fa9-0766-4c60-ace9-550271b00eb0/DSC04007.jpg Parts & Tools DRV8825/A4988 expansion board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/babff8e8-3e60-482e-99fe-73e6f6734a74/DSC04382_c.jpg Parts & Tools KSGER T12 V3.1S soldering station https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e209c3dd-ca6b-465a-ad04-86cd04912a92/tec2-19006Peltier.jpg Parts & Tools TEC2-19006 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595023123974-6ENFSULR218PE4DGD0BO/DSC03790_compressed.jpg Parts & Tools Spring clip terminal https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6a77aba1-7322-47ca-b74f-3468bdf0c3bd/DSC04006.jpg Parts & Tools Voltage and current meter 100 V, 10 A (DC) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919216073-Y845OOVS274IE5PBP65U/DSC03904_compressed.jpg Parts & Tools Linear rail bearing 8 mm https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610471169425-MVTJI60U6DKH31U1R0ZT/DSC03939.jpg Parts & Tools Aluminium knobs https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3c3e2e63-c2c6-4019-9e24-401a17131d74/DSC04000.jpg Parts & Tools TCA9548A - i2C multiplexer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/819f7f92-d107-443a-8189-aecc0b6556fa/ch224k_chip.jpg Parts & Tools CH224K USB PD Chip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/16b1bf03-b6cc-4c12-b862-9d9cdda92f34/miniStepperControlPanel.jpg Parts & Tools Mini stepper motor control panel https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1d92ffab-c5d4-4a51-b8f1-c936d11d9e9e/DSC04100.jpg Parts & Tools MHP30 mini reflow station https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4db88253-6091-4698-b3b1-65b24e34c8ea/CL-C067Peltier.jpg Parts & Tools HEKE CL-C067 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d08e6897-6ee6-488f-bcac-e1b194324269/DSC04014.jpg Parts & Tools Screw terminal blocks https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b807f282-b69f-43f4-a322-fc2aca79043e/DSC04022.jpg Parts & Tools 12.6 V, 8000 mAh Li-ion battery pack https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919216323-6HAMMS6GM0MINXEID88E/DSC03905_compressed.jpg Parts & Tools Linear rail guide MGN12 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610471169580-8UZAQBB2O49MXYXZXOS9/DSC03966.jpg Parts & Tools ZVS Induction coil heating 12 V https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058122827-MK9E4VNZJKEWHSP57LRU/DSC03818_compressed.jpg Parts & Tools TEMT6000 light sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eff65fd0-ebe1-42a8-b112-6a91240975cc/eInk2.9Inch.jpg Parts & Tools WeAct 2.9" E-ink display 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https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/da53108c-2527-4072-9561-ac4bee40b6de/DSC04107.jpg Parts & Tools High performance resistors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7c515ae1-108f-47f7-a0fb-58dec189db93/DSC04026.jpg Parts & Tools 1 m GT2 6mm wide belt https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/14b76150-b776-4050-9af0-0f2cef3e35dd/DSC03999.jpg Parts & Tools 10 kN load cell https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919636133-MHLBGZ7YKKNK7JCVLZ9Q/DSC03900_compressed.jpg Parts & Tools SG3525 PWM controller module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3ba433a7-a69c-4910-8946-0ff4040b2cfc/eink154.jpg Parts & Tools 1.54" E-ink display https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610471443268-8O62V3ARCRQSPARGTG8G/DSC03934.jpg Parts & Tools Arduino Nano with 3x A4988 driver shield 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https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e00b8efe-9497-412b-be27-cbb07cc2f570/siliconeCable_compressed.jpg Parts & Tools Flexible heat resistant silicone cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019701185-A2PW7S25VYBE9HHK57KQ/DSC03770_compressed.jpg Parts & Tools CCS811 gas sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3a7710f3-c48c-4e02-b55a-780dc7d09d12/ESP32-lolin32.jpg Parts & Tools ESP32 LOLIN32 WiFi+Bluetooth https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f6ea6b8f-30a0-47bb-82e1-8e03323d162f/smartUSBCCable.jpg Parts & Tools Smart USB-C cable, 100 W, 5 A https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324992109-K8I1WRY3C3V072ZKOLJG/fw759monitor.jpg Parts & Tools Feelworld FW759 7" HDMI monitor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020443476-NAT7C9YTB4G6BGG8YPNX/DSC03785_compressed.jpg Parts & Tools TB6600 stepper motor controller https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595021209223-FQ2R63VFUWGUSK8YUGUH/DSC03803_compressed.jpg Parts & Tools Cooler kit for Peltier units https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/36d58eed-611c-4b19-beb8-f8636cd249cb/miniUSBbreakout_c.jpg Parts & Tools Mini USB breakout board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595069140518-Q8T7HS5KXM1F8W08RQYU/DSC03840_compressed.jpg Parts & Tools SD card module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b6dabdfb-3b8a-406e-a998-9ca277202de4/DSC07583.jpg Parts & Tools D1 Mini V3 - ESP8266EX module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/31db07e8-3a23-442f-94ad-15dcfa7a4abc/JSH_SH1.0_crimped.jpg Parts & Tools Pre-crimped JST SH 1.0 wires https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ad3fb1c0-e47b-4d95-be79-fab4c608754c/DSC07658.jpg Parts & Tools 100 W Solder fume extractor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/6fca54f1-645b-4db3-bfef-4b5f63a2fffd/3.5hdmiModule.jpg Parts & Tools 3.5" HDMI Display Kit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f790d09a-2527-48cf-9bca-5ad8227a3a24/3wayUSBCCable.jpg Parts & Tools 3-way USB-C splitter cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ea345c42-757a-4445-90b5-581908e1686b/LA104_LogicAnalyser.jpg Parts & Tools LA104 Logic analyser https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/40057805-4d48-4164-823c-b5d031467e2d/TMC2209_driver.jpg Parts & Tools TMC2209 driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1597864382374-CSFXEMRGGH60MK3O7V81/DSC03880.jpg Parts & Tools XH2.54 and Dupont crimping tool https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1597864057506-IRNLNIKPMG4UUXU43HC1/DSC03861.jpg Parts & Tools Dual heatsink Peltier cooler kit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/96ac488c-8e1d-42ea-b610-c07ec911a7a7/microUSBbreakout_c.jpg Parts & Tools Micro USB breakout board https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cfe2c084-238f-404f-b823-d4142bf5a1f0/DSC04063.jpg Parts & Tools EDM Wire Nozzle https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019704758-RMXBGD2UHY2NO05AUVS5/DSC03771_compressed.jpg Parts & Tools BME280 weather sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/86ba35d4-ecbf-4f84-afdf-a3b7776b933e/2inchHDMIDisplay.jpg Parts & Tools 2" LCD with mini HDMI input https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595023681869-Y2KEQGZN96ROUPRDCGEX/DSC03741_compressed.jpg Parts & Tools 8 channel 24 MHz logic analyzer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/415785b5-d5fe-4f9d-bca6-c2168c7298e6/DSC04069.jpg Parts & Tools TMC2208 stepper motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/14237cc5-9b71-4361-bf85-e2b74d41cfa6/miniatureGrip.jpg Parts & Tools Miniature grip https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058276070-8J3576RLH3LM27MEQYIN/DSC03809_compressed.jpg Parts & Tools Thermal grease https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058386770-65DUMQT52I7OS7DEW0UC/DSC03828_compressed.jpg Parts & Tools Cable ferrules https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/37f66b67-e9fb-498c-9ec2-344e4998b8ed/DSC04081.jpg Parts & Tools TCD1304 Linear CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d2da4344-49a1-4e01-a6a7-f5b317ef9fbf/DSC03972.jpg Parts & Tools MAX6675 K-type thermocouple module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2d797be3-4b4f-41ea-92a0-da0ef262517d/2inchAVDisplay.jpg Parts & Tools 2" LCD with analog video input https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020435486-I2PGKLJ2PZOPN1CU9TJK/DSC03754_compressed.jpg Parts & Tools DRV8825 driver circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/310e3d47-2e4b-4c43-8e92-fa242dacdb3d/DSC04110.jpg Parts & Tools TC1 Multipurpose tester https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919043537-3AKOFFYPYVD0K4BFHNP4/DSC03889_compressed.jpg Parts & Tools Cooling block and Peltier buckles https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058386617-GSTI7NSH82JR8B6QDN8T/DSC03829_compressed.jpg Parts & Tools Cable terminals https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019709477-ONZAIDTB2O99SQFR7AVQ/DSC03776_compressed.jpg Parts & Tools Optical dust sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/0fd0cb47-06cf-446b-a807-7c842f47e458/TCD1703C_linearCCD.jpg Parts & Tools TCD1703C linear CCD https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/54f12fa3-c608-4dc4-b495-1a4d353bb1b6/hdmiCable.jpg Parts & Tools HDMI-HDMI cable https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020435110-XI24WGSGLIF4WGDQZWM8/DSC03757_compressed.jpg Parts & Tools A4988 driver circuit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1601395282876-9EINH3EVOTD18Z3QBSXV/DSC03911.jpg Parts & Tools Barb connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1596293592733-UU44CR2953104LQQMH0W/DSC03850.jpg Parts & Tools Dupont jumper connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/bc0f2afa-effb-473d-a1ea-345bd048078c/T2Nex_microscope.jpg Parts & Tools T2-NEX (Sony) Microscope adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919636384-ZQAUOP7SQ2D2KMOQQVQJ/DSC03906_compressed.jpg Parts & Tools MAX31855 K-type thermocouple module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8e39e384-670f-4c43-bfcd-a49a9edad966/USB_tester.jpg Parts & Tools USB tester https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b4c6cc85-8922-4403-975b-84f45ea3cc3a/monitorMount.jpg Parts & Tools 1/4" - cold shoe monitor mount https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/23019e85-6fdc-4a59-a83c-435077264476/DSC04125.jpg Parts & Tools TB6612 PWM dual-channel motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/799c0c25-065e-4bd5-903a-4384a4fb0cff/tomlov7Microscope_compressed.jpg Parts & Tools TOMLOV TM-DM9 microscope https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919118194-DOZ55Y6D8PARWH42IS5M/DSC03895_compressed.jpg Parts & Tools Universal aluminium radiator (30.5x19 cm) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1597864306170-AJP4FV9MSMTAKUFHKGRM/DSC03876.jpg Parts & Tools XH 2.54 connector kit https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/a747a10d-9eec-40bb-974a-499cb332e711/T2Nex-Long.jpg Parts & Tools T2-NEX (Sony) extension tube https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595058123841-A11U0YO1981KRZS98UM2/DSC03807_compressed.jpg Parts & Tools ACS712 current sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f0324de1-0b30-4cb4-b3ca-0e21c6363f75/microscopeLEDlight_c.jpg Parts & Tools Adjustable microscope light https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1488db85-f445-45fe-aa70-4f359e92bdd4/DSC04035.jpg Parts & Tools 360 mm (3x120 mm) radiator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/505e2419-7f53-43e8-8810-371637941798/DSC04004.jpg Parts & Tools ZMCT103C - Current measurement module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1b3b1696-dbce-4710-8749-3f8ffe8d5dbf/DRV8833_motorDriver.jpg Parts & Tools DRV8833 dual channel motor driver https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4d338eff-4c8e-4bac-bb30-3d00e58c955c/jst_sh_1.0_kit.jpg Parts & Tools JST SH 1.0 mm wires and terminals https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c63033c6-08fc-4b8b-8ad1-fb67c281ec31/microscopeLensWD100.jpg Parts & Tools WD100 microscope lens (c-mount) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/2e28bb45-bc5e-4732-ad77-feb3d8101654/DSC04013.jpg Parts & Tools Switch-based joystick https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1610470886940-4CRLOBTA6JD997GAMWYT/DSC03963.jpg Parts & Tools 8 cm radiator https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1596293592160-I9T6HYDR3PTXTT7ENV4K/DSC03851.jpg Parts & Tools Spring terminal blocks https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7db58278-a793-4d4c-8374-a2ef0f971119/DSC04002.jpg Parts & Tools ZMPT101B - Voltage transformer module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/27a8867f-d99c-4801-9105-2b4a9f91dc22/glarefreeLight.jpg Parts & Tools Glare-free microscope light https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324993310-2ECFF8SIOR393TGW8SZM/50mmCmountLens.jpg Parts & Tools 50 mm C-mount lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/77bdd121-5a22-483c-ac45-72aec9b9b14c/DSC04012.jpg Parts & Tools 2-axis high-precision joystick https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4836a044-97e0-43f8-b601-43b983b5d7a1/DSC04319_compressed.jpg Parts & Tools Shahe 300 mm DRO https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1601395732979-918VTE72K7LY7D648MSB/DSC03909.jpg Parts & Tools NTC water cooler thermometer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f0251f16-c295-4e6f-a0df-8b821fe19431/DSC03976.jpg Parts & Tools DIP IC sockets https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f17f3c44-6b85-4db5-bede-677ea3b34deb/DSC04003.jpg Parts & Tools Optical switch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324992094-IH58PY5SS6K1DWRCWKXM/16mmCmountLens.jpg Parts & Tools 16 mm C-mount lens https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1596293524659-BSUZ2NCAQXZD1612WUHH/DSC03849.jpg Parts & Tools 3-axis high precision joystick https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4aa05641-1d19-46c3-b610-8c101687792d/10x10kNTC.jpg Parts & Tools 10x 10kOhm NTC with JST connector https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/9a5cc571-6202-4427-9ef7-85ff550f79de/DSC04011.jpg Parts & Tools Crimp terminals https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019704632-VWS7BQCEZI9YZ21NY3BO/DSC03773_compressed.jpg Parts & Tools Buzzer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c19ad469-0358-4e04-b534-ddae00381baa/solderPasteDosing.jpg Parts & Tools Solder paste dispenser https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1754324853091-QIKTZIQEFGDUN7Q9EEDU/hawkeyeFPV6k.jpg Parts & Tools Hawkeye Firefly Split V6 PRO https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595069191334-1JN8S7ZYAJJ5L9NDZHZB/DSC03842_compressed.jpg Parts & Tools Analog joystick module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cc7246f0-5a2f-4259-b349-8c3fc1b6fbbf/SyringeSqueezer.jpg Parts & Tools Solder paste syringe tool https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dcad8f32-d6dc-4a5c-a7c1-f2388893b783/NTC_thinProbe10k.jpg Parts & Tools 10k NTC Thermistor (thin) https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c4a26165-f588-4336-955c-4df0d146acb7/DSC04017.jpg Parts & Tools Strain gauge module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ca3c5d4e-37a2-4b1d-be62-62f95e4ca46c/preciDipHeader.jpg Parts & Tools Preci-dip sockets https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/338d6172-b972-40ba-902f-b4c2263922f7/IMG_9822.jpg Parts & Tools MaAnt XJ-2 microscope camera https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7d202ed4-f9ff-48cf-8da8-037e28dd043c/NRF24L01module.jpg Parts & Tools NRF24L01 Wireless module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7523059c-1bac-4ff7-9bda-c468f6e14618/femalePinHeader.jpg Parts & Tools Female pin socket https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/676e3b0e-1afe-42f5-949c-e8aacb2cc575/solderFlux.jpg Parts & Tools Soldering flux https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/346a5d8d-5ad2-4dcc-aab8-58e03c3800a1/CCTV_Cmount.jpg Parts & Tools CCTV camera housing https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1760379525980-5LCXX39QLD5HWI5ZRB6Y/IMG_9553.jpg Parts & Tools CNC Pendant https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020441694-6MW2NNMY47K4SSYGKWK8/DSC03778_compressed.jpg Parts & Tools Limit switch https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ba87f2ee-4f01-4843-8c89-1b7ede7152b9/HC05-BT_module.jpg Parts & Tools HC-05 Bluetooth module https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/878f0db5-c5f3-4ab9-b4d3-a55854883104/doubleSidedHeader.jpg Parts & Tools Double-sided pin header https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/7410f9db-6a63-40f5-8a50-c244d917faf7/solderPaste.jpg Parts & Tools Solder paste https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/44e9e9ca-7586-4c94-b2ef-5765641174b9/m42cMountAdapter.jpg Parts & Tools M42 - C-mount adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020437829-IQ9ZOTQMDFA1SR5YFTI7/DSC03751_compressed.jpg Parts & Tools L298N motor controller https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c3015cf5-4049-4d34-91f4-142fc459581d/PrecisionTweezers.jpg Parts & Tools Precision tweezers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/56c83545-661b-4666-b706-0b3c634303f7/singleRowHeader.jpg Parts & Tools Single-row pin header https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ba5c6d59-5e62-4208-b193-d282451d5b0a/adxl345.jpg Parts & Tools ADXL345 3-axis accelerometer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/41a4d849-1f81-4f3c-91cc-5d69b308a8a2/nikonFcMountAdapter.jpg Parts & Tools Nikon F - C-mount adapter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8fc8f645-8d5d-493f-b1f0-a630afbb82c5/inductiveProximity_6-30V_c.jpg Parts & Tools Inductive proximity sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8170db83-4fef-4a67-a191-37d76c12a068/AluEnclosure.jpg Parts & Tools 80x40x50 mm Aluminium enclosure https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/77a0f0d7-766e-4101-bbc4-ed3c299f86ab/SMD_Tweezer.jpg Parts & Tools SMD tweezer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/167282fd-6363-4827-94e1-09edbdc30a0d/tsl2591.jpg Parts & Tools TSL2591 Light Sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/77d09d5c-2750-4da1-9af6-892fa04a6fe0/DSC03978.jpg Parts & Tools Capacitive proximity sensor https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f6415b23-b944-4b31-aa80-12d5080ded4c/normalStrainGauge.jpg Parts & Tools Regular 350 Ohm strain gauge https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/60a74212-4886-4912-a768-0a8c59c4aadc/titaniumTweezer.jpg Parts & Tools Titanium tweezer https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eb229ba0-6923-4a53-a46b-035592510e0d/DSC03974.jpg Parts & Tools AS5600 magnetic encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8b83fe7b-8661-4f6d-be25-8fdf1ca121ad/MicroscopeCal_Slide.jpg Parts & Tools Microscope calibration slide https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/82196b5f-d826-409c-a45e-456e52c8f034/fullbridgeSG.jpg Parts & Tools Full bridge strain gauge https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/eb229ba0-6923-4a53-a46b-035592510e0d/DSC03974.jpg Parts & Tools Magnet for AS5600 encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/fa4b6177-cd44-47c1-a82a-eace3e3518dc/straingaugePad.jpg Parts & Tools Strain gauge terminal pads https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/f3e15bf6-1805-4bda-8f3e-ae626f167bac/alcoholDispenser.jpg Parts & Tools Alcohol dispenser https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8fa97102-9654-45d0-9bf8-30a3df30af7b/DSC04001.jpg Parts & Tools AS5048A magnetic encoder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e9e1ee92-94a2-4399-9482-0077ace54e25/antistaticBrush.jpg Parts & Tools ESD safe brush https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8834ca53-3fd5-4cea-aa06-550f781f179f/foldableTripodMount.jpg Parts & Tools Foldable tripod head https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/dacade44-e29c-4028-8b7c-e0391f998d5b/SolderingTipHolder.jpg Parts & Tools Soldering iron tip holder https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/421ffc66-8553-4547-985c-99512c97a5d6/BatteryMountPlate.jpg Parts & Tools NP-F battery adapter plate https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c39aafe7-958f-49b7-8bdb-1111d60b4f58/WoodenIrganizerBox.jpg Parts & Tools Wooden organizer box https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/c0ab8851-a043-401f-8129-f506bd90d104/HDMIRibbonCables.jpg Parts & Tools Flat HDMI cable and connectors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595014517588-NLXKSAHZNNIDSGJIO31C/DSC03729_compressed.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/8fb972fb-96be-4554-ad54-1f16fdae9c4a/IRheater_large.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019701185-A2PW7S25VYBE9HHK57KQ/DSC03770_compressed.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e294a775-3f54-4174-9448-49d469049767/on-on-onSwitch.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/b8c91ef2-adbb-4c5c-9673-c4e88152cf98/1_3_OLED_i2c.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/50c6878c-eaa5-438c-befd-c01a68f733fa/24V5A_PSU_compressed.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595017431916-Z5Z54MJLQNBC2RAENPFZ/DSC03787_compressed.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1599919216323-6HAMMS6GM0MINXEID88E/DSC03905_compressed.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595015642026-RQDHEAEYOZ7C24O7OXHY/DSC03797_compressed.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/cfe2c084-238f-404f-b823-d4142bf5a1f0/DSC04063.jpg https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595019038809-C6W5LH3PM6U9UANJ0IIB/DSC03801_compressed.jpg https://curiousscientist.tech/project-portfolio daily 0.75 2025-08-10 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1729543984424-UU2MA5555DLF1JUH2AJY/ch32f4p6_dev.jpg Project portfolio CH32 microcontrollers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1725290779618-IX0XP22MHD1PVOGWAXWZ/DSC07879_compressed.jpg Project portfolio ADS1256 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1659558912012-85FCY3OAMVXFW671TEZ1/DSC04633_c.jpg Project portfolio TCD1304 https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/e209c3dd-ca6b-465a-ad04-86cd04912a92/tec2-19006Peltier.jpg Project portfolio Peltier coolers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1694463674470-K03SH2LLGN1AW8GGBOGS/20230904_210548.00_13_10_03.Still004_compressed.jpg Project portfolio Microscopy https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1705952510555-QOWI8PUE98R888BHA0CL/DSC06116_compressed.jpg Project portfolio Stepper motors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/d0be087b-5105-4021-9776-5ed443a00dab/DSC05251.jpg Project portfolio DWIN displays https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1723226785365-RSCGHFXHPPJ4HPCRBRF0/DSC07864.jpg Project portfolio Arduino microcontrollers https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595022634206-0L93GIH6ZDT0FXIS8MMN/DSC03742_compressed.jpg Project portfolio SZBK07 buck converter https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/4836a044-97e0-43f8-b601-43b983b5d7a1/DSC04319_compressed.jpg Project portfolio Displacement sensors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/3f527cff-4a4c-442e-8188-586513a03645/strainGauge_HiRes169.jpg Project portfolio Strain gauges https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595020910529-KAE3S4M6VZV4MR6HL4P0/DSC03799_compressed.jpg Project portfolio Temperature sensors https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595949625149-OGAWR27L2QL3M9NKPMA4/Progress+update+of+the+DIY+tensile+testing+machine+6-22+screenshot_comp.jpg Project portfolio DIY tensile testing machine https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/ac65fdcb-6972-4290-98f2-990a7f09b2e4/LM248J_Stitched.jpg Project portfolio Silicon dies https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595951776934-4VCQIZ5QZ4DF0K6XIBRS/Electron+Microscopy+-+Lecture+6+-+Comparison+of+electron+sources+0-1+screenshot_comp.jpg Project portfolio SEM lectures https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595874306597-LNUJ856788NXOQDP0GY5/BCC+Schmid+factor+from+Euler+angles+using+the+orientation+matrix+25-44+screenshot_comp.jpg Project portfolio EBSD lectures https://images.squarespace-cdn.com/content/v1/5f0b647e73eff4020b4ccfed/1595955149981-ZGQZJM1MEUMA7CS2JTIF/Miller+indices+in+cubic+systems+37-17+screenshot_comp.jpg Project portfolio Materials science lectures