# Electronics **URL:** https://forums.pimoroni.com/c/discussion/electronics/15.md [Latest](https://forums.pimoroni.com/latest.md) · [Categories](https://forums.pimoroni.com/categories.md) --- ## [About the Electronics category](https://forums.pimoroni.com/t/about-the-electronics-category/36)
**Author:** [@jon](https://forums.pimoroni.com/u/jon)\ **Replies:** 0
Circuit design, components, datasheets, and oh my! --- ## [Which connector?](https://forums.pimoroni.com/t/which-connector/28706)
**Author:** [@Napkin](https://forums.pimoroni.com/u/Napkin)\ **Replies:** 3\ **Last updated:** [March 6, 2026, 4:39pm UTC](https://forums.pimoroni.com/t/which-connector/28706 "2026-03-06T16:39:46Z")
The attached image shows the pcb from a Zigbee Fingerbot - can anyone identify which type of connectors the 2-pin and 3-pin are? Someone swiped the other part of the connector and left bare wires - I’m guessing they’re … --- ## [My servo 2040 burned down, help me understand why](https://forums.pimoroni.com/t/my-servo-2040-burned-down-help-me-understand-why/28720)
**Author:** [@sobolxxx](https://forums.pimoroni.com/u/sobolxxx)\ **Replies:** 7\ **Last updated:** [February 27, 2026, 5:48pm UTC](https://forums.pimoroni.com/t/my-servo-2040-burned-down-help-me-understand-why/28720 "2026-02-27T17:48:40Z")
Hello, I’ve connected my servo 2040 with USB detached to the Blow ZI1200 charger (Zasilacz wielozakresowy impulsowy ZI1200 - Produkty - BLOW | Sklep internetowy) set to 4.5V and my servo 2040 burned down. I first turned… --- ## [Pimoroni sata hard drive to usb adapter](https://forums.pimoroni.com/t/pimoroni-sata-hard-drive-to-usb-adapter/28208)
**Author:** [@Peter1](https://forums.pimoroni.com/u/Peter1)\ **Replies:** 4\ **Last updated:** [August 20, 2025, 5:02pm UTC](https://forums.pimoroni.com/t/pimoroni-sata-hard-drive-to-usb-adapter/28208 "2025-08-20T17:02:10Z")
Hi newbie here and haven’t touched electronics in 10 years. I need to update my van to rpi 5 and going to place ai for power distribution control. Forum says ai and nve ssd share a bandwidth so not ideal so looking at … --- ## [Skin conductivity](https://forums.pimoroni.com/t/skin-conductivity/26518)
**Author:** [@Kiwi](https://forums.pimoroni.com/u/Kiwi)\ **Replies:** 13\ **Last updated:** [August 20, 2025, 7:20am UTC](https://forums.pimoroni.com/t/skin-conductivity/26518 "2025-08-20T07:20:51Z")
In theory, could I put electricity (low level, of course) through my skin? How about GND? --- ## [Pico RGB Keypad Base needs pullup strength](https://forums.pimoroni.com/t/pico-rgb-keypad-base-needs-pullup-strength/27909)
**Author:** [@ProfFrame](https://forums.pimoroni.com/u/ProfFrame)\ **Replies:** 3\ **Last updated:** [June 15, 2025, 12:17pm UTC](https://forums.pimoroni.com/t/pico-rgb-keypad-base-needs-pullup-strength/27909 "2025-06-15T12:17:49Z")
After many hours of exploration, I found that the Pico RGB Keypad Base did not have sufficieint pull-up strength on the I2C lines. Great work by the library folks (PMK Circuit Python) for having exception messages that a… --- ## [Hook up paralllell controller Picade MAX USB Controller board?](https://forums.pimoroni.com/t/hook-up-paralllell-controller-picade-max-usb-controller-board/27739)
**Author:** [@e5frog](https://forums.pimoroni.com/u/e5frog)\ **Replies:** 2\ **Last updated:** [May 11, 2025, 2:00pm UTC](https://forums.pimoroni.com/t/hook-up-paralllell-controller-picade-max-usb-controller-board/27739 "2025-05-11T14:00:27Z")
EDIT: Found a schematic, will have a look… EDIT2: So, there’s a matrix, from what I understand one side of the button is hooked to a drive signal, the other to a diode and then into a read signal. Closing the button … --- ## [Toggle switch for Interstate 75 power on/off](https://forums.pimoroni.com/t/toggle-switch-for-interstate-75-power-on-off/27474)
**Author:** [@ishback](https://forums.pimoroni.com/u/ishback)\ **Replies:** 0\ **Last updated:** [March 16, 2025, 6:45pm UTC](https://forums.pimoroni.com/t/toggle-switch-for-interstate-75-power-on-off/27474 "2025-03-16T18:45:52Z")
Hello, I’d like to add a switch to the Interstate 75 so I can switch both the board and the LED matrix at once. Currently it’s all powered through the USB C on the Interstate. Looking at something like this: TWTADE 10Pcs… --- ## [Modding Pimoroni +/-24v ADC module to use a different i2c address?](https://forums.pimoroni.com/t/modding-pimoroni-24v-adc-module-to-use-a-different-i2c-address/26591)
**Author:** [@doctea](https://forums.pimoroni.com/u/doctea)\ **Replies:** 4\ **Last updated:** [January 4, 2025, 7:45pm UTC](https://forums.pimoroni.com/t/modding-pimoroni-24v-adc-module-to-use-a-different-i2c-address/26591 "2025-01-04T19:45:33Z")
Hi! I’ve been using several of the Pimoroni +/-24v ADC modules in my Eurorack synth projects, with great success. According to the schematic, cutting the address selection pad that connects the “address select” pin to … --- ## [Will it still work?](https://forums.pimoroni.com/t/will-it-still-work/26930)
**Author:** [@Luosi](https://forums.pimoroni.com/u/Luosi)\ **Replies:** 0\ **Last updated:** [December 27, 2024, 9:02am UTC](https://forums.pimoroni.com/t/will-it-still-work/26930 "2024-12-27T09:02:28Z")
Will the EP3C40F484C8N still work if exposed to extreme electromagnetic interference (EMI)? --- ## [Yukon module header/pin strip part number](https://forums.pimoroni.com/t/yukon-module-header-pin-strip-part-number/26707)
**Author:** [@Alecct-exi](https://forums.pimoroni.com/u/Alecct-exi)\ **Replies:** 6\ **Last updated:** [December 18, 2024, 3:55pm UTC](https://forums.pimoroni.com/t/yukon-module-header-pin-strip-part-number/26707 "2024-12-18T15:55:00Z")
I’ve purchased a Yukon host board and proto-module and am struggling to find any pin-headers or pin-strips that are as low profile as the ones used on these boards, and can’t find their part numbers anywhere on the websi… --- ## [SP/CE compatibility with Qw/St](https://forums.pimoroni.com/t/sp-ce-compatibility-with-qw-st/26516)
**Author:** [@Kiwi](https://forums.pimoroni.com/u/Kiwi)\ **Replies:** 5\ **Last updated:** [November 11, 2024, 12:45pm UTC](https://forums.pimoroni.com/t/sp-ce-compatibility-with-qw-st/26516 "2024-11-11T12:45:48Z")
Is SP/CE (8-pin JST-SH) compatible with Qw/St (4-pin JST-SH)? Specifically, could I plug a Clipper into the Badger 2040W? Or are they just completely different despite both being JST-SH? Thanks in advance! --- ## [Yukon module kicad footprints](https://forums.pimoroni.com/t/yukon-module-kicad-footprints/25883)
**Author:** [@Folknology](https://forums.pimoroni.com/u/Folknology)\ **Replies:** 2\ **Last updated:** [October 2, 2024, 7:00am UTC](https://forums.pimoroni.com/t/yukon-module-kicad-footprints/25883 "2024-10-02T07:00:29Z")
Are there any module footprint/libraries for kicad, it would make life much easier for hacking new Yukon modules --- ## [8 amp version of LiPo Amigo Pro](https://forums.pimoroni.com/t/8-amp-version-of-lipo-amigo-pro/25133)
**Author:** [@cwenham](https://forums.pimoroni.com/u/cwenham)\ **Replies:** 5\ **Last updated:** [July 22, 2024, 12:20pm UTC](https://forums.pimoroni.com/t/8-amp-version-of-lipo-amigo-pro/25133 "2024-07-22T12:20:22Z")
I need to power a Pi 5 and a Waveshare 10" touchscreen display from a LiIon battery pack, but those two devices are thirsty buggers. The Pi wants 27 watts, and the touchscreen wants 4 watts or 750ma. With a bit of elbow … --- ## [Yukon remote control options + pros/cons of each?](https://forums.pimoroni.com/t/yukon-remote-control-options-pros-cons-of-each/25019)
**Author:** [@For\_Tak](https://forums.pimoroni.com/u/For_Tak)\ **Replies:** 0\ **Last updated:** [June 23, 2024, 3:46pm UTC](https://forums.pimoroni.com/t/yukon-remote-control-options-pros-cons-of-each/25019 "2024-06-23T15:46:16Z")
I am currently building a spider like quadruped with 12dof using: Yukon, 12 x Hiwonder LX16A, and a 5800mah 2s lipo for power. The only required modules for the Yukon would be 2 x Serial Servo modules. Design Goal: rem… --- ## [(SOLVED) Problem with Explorer HAT Pro](https://forums.pimoroni.com/t/solved-problem-with-explorer-hat-pro/24387)
**Author:** [@lufbrarunner](https://forums.pimoroni.com/u/lufbrarunner)\ **Replies:** 17\ **Last updated:** [March 31, 2024, 12:07pm UTC](https://forums.pimoroni.com/t/solved-problem-with-explorer-hat-pro/24387 "2024-03-31T12:07:41Z")
My Explore HAT Pro will work fine on my Pi Zero but is not detected when attached to my Pi 3A+. I have tried reinstalling the OS and python libraries etc to no avail. I have also used the SD card from the Zero on the P… --- ## [HyperPixel with Raspberry Pi OS Lite?](https://forums.pimoroni.com/t/hyperpixel-with-raspberry-pi-os-lite/24458)
**Author:** [@sfsdfd3](https://forums.pimoroni.com/u/sfsdfd3)\ **Replies:** 1\ **Last updated:** [March 18, 2024, 2:41pm UTC](https://forums.pimoroni.com/t/hyperpixel-with-raspberry-pi-os-lite/24458 "2024-03-18T14:41:26Z")
I’m working on some projects using a Raspberry Pi Zero 2 W and a touchscreen. Because the device is only going to run a single pygame app, I’d really like to configure it to run in kiosk mode - i.e., Raspberry Pi OS Lit… --- ## [Display and others breakdown](https://forums.pimoroni.com/t/display-and-others-breakdown/24297)
**Author:** [@jerome](https://forums.pimoroni.com/u/jerome)\ **Replies:** 7\ **Last updated:** [March 1, 2024, 8:43am UTC](https://forums.pimoroni.com/t/display-and-others-breakdown/24297 "2024-03-01T08:43:02Z")
Hi, I used different kind of display. Before all, I want to congratulate the team. The panel of the display is really impressive, good quality and very beautiful. I have some difficulties with several screens to progra… --- ## [Difference Pico/Rasp](https://forums.pimoroni.com/t/difference-pico-rasp/24298)
**Author:** [@jerome](https://forums.pimoroni.com/u/jerome)\ **Replies:** 3\ **Last updated:** [February 28, 2024, 2:57pm UTC](https://forums.pimoroni.com/t/difference-pico-rasp/24298 "2024-02-28T14:57:39Z")
Hi, I have a sensor which work perfectly with the pico lipo, but crash with the raspi pico and a lots of others boards. It seems that it due to a difference of stability, probably electronics… Is there someone who cou… --- ## [Can't get Display Hat Mini to work with Adafruit speaker bonnet](https://forums.pimoroni.com/t/cant-get-display-hat-mini-to-work-with-adafruit-speaker-bonnet/23223)
**Author:** [@sfsdfd3](https://forums.pimoroni.com/u/sfsdfd3)\ **Replies:** 1\ **Last updated:** [November 7, 2023, 7:38am UTC](https://forums.pimoroni.com/t/cant-get-display-hat-mini-to-work-with-adafruit-speaker-bonnet/23223 "2023-11-07T07:38:51Z")
I need some help figuring out this technical problem. My project involves a Raspberry Pi Zero 2 W, an Adafruit I2S Stereo Speaker Bonnet, and a Display HAT Mini. The components stack very nicely with 20mm header pins. T… --- ## [Enviro w/ PCA9548](https://forums.pimoroni.com/t/enviro-w-pca9548/23123)
**Author:** [@allcr](https://forums.pimoroni.com/u/allcr)\ **Replies:** 1\ **Last updated:** [October 19, 2023, 6:05am UTC](https://forums.pimoroni.com/t/enviro-w-pca9548/23123 "2023-10-19T06:05:46Z")
Hello all, I am trying to hook up multiple additional sensors to the Enviro Indoor using a PCA9548. Has anyone been able to do this successfully? I am having trouble connecting to the i2c multiplexer with the standard e… --- ## [Low-power am radio transmitter for esp-32 or RPi Pico?](https://forums.pimoroni.com/t/low-power-am-radio-transmitter-for-esp-32-or-rpi-pico/22746)
**Author:** [@mascalia11](https://forums.pimoroni.com/u/mascalia11)\ **Replies:** 0\ **Last updated:** [August 17, 2023, 6:18pm UTC](https://forums.pimoroni.com/t/low-power-am-radio-transmitter-for-esp-32-or-rpi-pico/22746 "2023-08-17T18:18:22Z")
Does anyone know of a breakout board I can use with a small microcontroller (or even a small microprocessor like a Pi Zero) that will allow me to broadcast low-power AM radio shows to an antique radio in the same room? I… --- ## [Which LiPo battery for ESP32-S3 + Tiny 2040 usb-c host?](https://forums.pimoroni.com/t/which-lipo-battery-for-esp32-s3-tiny-2040-usb-c-host/22687)
**Author:** [@dan23](https://forums.pimoroni.com/u/dan23)\ **Replies:** 9\ **Last updated:** [August 14, 2023, 5:02pm UTC](https://forums.pimoroni.com/t/which-lipo-battery-for-esp32-s3-tiny-2040-usb-c-host/22687 "2023-08-14T17:02:24Z")
Hi all, I am a beginner and I am trying to figure which type of LiPo rechargeable battery I need to use on a same breadboard / PCB Adafruit ESP32-S3 and Tiny-2040 connected each other. Is 3.7V for the battery ok? What is… --- ## [Extending wiring for grow moisture sensor](https://forums.pimoroni.com/t/extending-wiring-for-grow-moisture-sensor/22673)
**Author:** [@Bigianb](https://forums.pimoroni.com/u/Bigianb)\ **Replies:** 9\ **Last updated:** [August 8, 2023, 9:02pm UTC](https://forums.pimoroni.com/t/extending-wiring-for-grow-moisture-sensor/22673 "2023-08-08T21:02:38Z")
I’m using the grow hat in my greenhouse and one moisture sensor will be about 2m from the pi zero. I grabbed some wire (22 AWG solid core from the pimironi shop), snipped a 35cm connector wire in half and extended it usi… --- ## [How to determine correct PWM settings for an exhaust fan?](https://forums.pimoroni.com/t/how-to-determine-correct-pwm-settings-for-an-exhaust-fan/22637)
**Author:** [@mascalia11](https://forums.pimoroni.com/u/mascalia11)\ **Replies:** 1\ **Last updated:** [August 3, 2023, 7:53am UTC](https://forums.pimoroni.com/t/how-to-determine-correct-pwm-settings-for-an-exhaust-fan/22637 "2023-08-03T07:53:24Z")
I’m helping my son with an IoT project - he needs to control an exhaust fan that uses PWM signaling for speed control. TL/DR: I need to figure out how to determine the correct PWM settings for the fan control without any… --- ## [Is it possible to control an SD card over SPI with the tiny2040?](https://forums.pimoroni.com/t/is-it-possible-to-control-an-sd-card-over-spi-with-the-tiny2040/22558)
**Author:** [@colossalchicken](https://forums.pimoroni.com/u/colossalchicken)\ **Replies:** 5\ **Last updated:** [July 23, 2023, 10:07am UTC](https://forums.pimoroni.com/t/is-it-possible-to-control-an-sd-card-over-spi-with-the-tiny2040/22558 "2023-07-23T10:07:58Z")
Is it possible to control a SD card over SPI with the tiny2040? If so, what pins do I connect? --- ## [Pico\_graphics c++](https://forums.pimoroni.com/t/pico-graphics-c/22139)
**Author:** [@Souhaiel](https://forums.pimoroni.com/u/Souhaiel)\ **Replies:** 1\ **Last updated:** [May 10, 2023, 10:41am UTC](https://forums.pimoroni.com/t/pico-graphics-c/22139 "2023-05-10T10:41:27Z")
Hi i am new in pimoroni . If there any possibilty to generate a font from .ttf to work with this code for example : cheers include \ #include \ #include \ #include \ #include "pico\_explor… --- ## [Pico + Pico Audio Pack, GPIO pins access and enclosure ideas?](https://forums.pimoroni.com/t/pico-pico-audio-pack-gpio-pins-access-and-enclosure-ideas/20400)
**Author:** [@soundblaster](https://forums.pimoroni.com/u/soundblaster)\ **Replies:** 3\ **Last updated:** [October 1, 2022, 8:58pm UTC](https://forums.pimoroni.com/t/pico-pico-audio-pack-gpio-pins-access-and-enclosure-ideas/20400 "2022-10-01T20:58:26Z")
Hi, I’ve bought a Pico Audio Pack to make a simple sequencer/drum machine, and I think it’s very underrated in the scene (haven’t seen almost any content in the internet about it). On top of that, CircuitPython makes eve… --- ## [MCP9600 grounded thermocouples](https://forums.pimoroni.com/t/mcp9600-grounded-thermocouples/20367)
**Author:** [@TurboDuinoz](https://forums.pimoroni.com/u/TurboDuinoz)\ **Replies:** 0\ **Last updated:** [September 26, 2022, 3:49am UTC](https://forums.pimoroni.com/t/mcp9600-grounded-thermocouples/20367 "2022-09-26T03:49:39Z")
Hello, Some popular universal thermocouple amplifier modules, like adafruit MAX31855 and MAX31856, do not work with “grounded thermocouple’s”, which is a type of thermocouple in which the hot junction is welded to the s… --- ## [PCB to breadboard. Solderless](https://forums.pimoroni.com/t/pcb-to-breadboard-solderless/20350)
**Author:** [@pazpazpaz](https://forums.pimoroni.com/u/pazpazpaz)\ **Replies:** 3\ **Last updated:** [September 23, 2022, 11:24am UTC](https://forums.pimoroni.com/t/pcb-to-breadboard-solderless/20350 "2022-09-23T11:24:52Z")
I am a TOTAL beginner, so i may not be using the correct terminology. So please be patient with me. I’m basically in the process of building a scoreboard for my indoor hockey team, i’m playing with these LEDs connected … [Next page](https://forums.pimoroni.com/c/discussion/electronics/15.md?page=1)