General • Looking for A Mega 32U4 alternative
Hi,Im currently using a 'Pro Micro' ATMega 32u4. (Arduino Leonardo based)This has been a great low cost board, with built in keyboard emulation as standard.But now im looking for a new low cost board,...
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HATs and other add-ons • Motor controller does not detect Pi 5 signals
Hello,I am trying to control 2 motors via 7A/160W Dual H-Bridge Motor Controller (link: https://www.handsontec.com/dataspecs/mo ... ontrol.pdf) and Raspberry Pi 5.I do power motor controller via buck...
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Troubleshooting • pi0w2 missing component
Hi I have a brand new pi0w2 that doesn't boot, on closer inspection there is a component missing top right of the PCB near the gpio can anyone tell me what it is?Tia.Statistics: Posted by andyc420 —...
View ArticlePython • How to clear stored variable data while app / window is in mainloop
I took someone else's code that I found online for a keypad / pin checking system and expanded it so that it can check several pins instead of just one. I presume it's ok post my version since it's...
View ArticleRaspberry Pi OS • Trixie xca not working
Good morning community, have just installed the software xca on a pi5 8GB with an uptodate trixie via apt. However, the software is not working correct. You can not get any reactions on the top menu...
View ArticleGeneral discussion • Planned Forums Downtime - 17 December
The forums will be temporarily unavailable on Wednesday, 17 December 2025 from 6:00am UTC while we upgrade the server. We expect the maintenance to take up to two hours.Statistics: Posted by paulmu —...
View ArticleGeneral • PIO IRQ latency
Hello,I have an RP2350B (A2) on a WaveShare Core2350B module and I'm working on a small (hobby) project, where I feed PIO0 SM0 with data periodically (240x 257 words in each 25ms) and I have PIO1 SM0...
View ArticleAutomation, sensing and robotics • i2c cant detect my BME280
everything is connected but when i i2cdetect -y 1 nothing is showingStatistics: Posted by janjan123123123 — Wed Dec 10, 2025 9:30 am — Replies 2 — Views 52
View ArticleRaspberry Pi OS • Raspbian Buster repository gone?
Yesterday we noticed that puppet is not running properly on our Pis. The root of the cause is this:```Err:5 http://raspbian.raspberrypi.org/raspbian buster Release 404 Not Found [IP: 93.93.128.193...
View ArticleTroubleshooting • Pi5 integrated wired LAN no download throughput
I've had a Pi4 for some time running a few services on my home network for some time now with no problems. I decided that I wanted to move Home Assistant from docker on the Pi4 to a dedicated device...
View ArticleCamera board • Using VC-MIPI-IMX226 camera with libcamera?
Hello all,I was asking for a 12MP black-and-white camera for CM4 and eventually I got the VC-MIPI-IMX226.I have installed the camera and it work on the CM4 in the shell. But I would like to integrate...
View ArticleNetworking and servers • Continuous log bluetooth devices in range
Hi all, I have a raspberry pi zero 2 w I'd like to use to record info about bluetooth devices that come within range of the pi.I've setup this script based on post I found online about this.Code:...
View ArticleCamera board • How to capture a still image without X.Org/Wayland?
It used to be possible to talk to a Pi camera module from Python without having to install a desktop environment, using the picamera library. I understand that this has long since been replaced by...
View ArticleTroubleshooting • Install Raspberry Pi Zero
I am trying to setup the Raspberry Pi zero according. I started in installing the Raspberry Pi Imager on the USB SD card (4GB) but the writing read to 70% and I get on this error message: " Media...
View ArticleGeneral discussion • Question Regarding Kernel
Lots of people are discussing compiling kernels, but I didn't find any passage discussing how to swap the kernel back to apt installed version.The referred instructions are...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Problems with I2C
I have a problem. I'm currently working on a project where I'm using several I2C devices, four of which use SDA and SCL. When I connect a TCA9548a, I use the i2cdetect -y 1 test, and it detects a 70....
View ArticleTroubleshooting • RP4 not booting - is it broken?
Hi!I am trying to boot a 7 years old RP4 and I suspect it is broken...My setup is- The Pi 4 Model B- A 100W ugreen wall plug that charges my mobile phone just fine- A SD-Card that I created using the...
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Beginners • Raspberry Pi 5 burned twice due to wrong relay wiring — Need help...
Hello,I am developing a project using a Raspberry Pi 5. I need to trigger a 12V solenoid lock through a 16-channel 5V relay module by sending a signal from one GPIO pin.However, the wiring diagrams I...
View ArticleAdvanced users • Raspberry CM5 bring up DPI Display Early
Hey everyone,I have the following problem. I am testing a Hackberry Pi (mostly a CM5 with a HyperPixel4 screen connected via DPI).I managed to encrypt a PiOS system and also boot it successfully on...
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Interfacing (DSI, CSI, I2C, etc.) • Optocoupler does not fully switch on via...
Hi all,I have a board with 4 optocouplers I have connected to output GPIO pin. I am trying to use it to turn on another PC via it's Power switch header. This unfortunately does not work and I would...
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