Raspberry Pi OS • Compose key works everywhere except Chromium on Wayland...
Summary:The Compose key is configured and works correctly across the system (terminal, editors, GTK apps, Firefox). However, it does NOT work in Chromium when Chromium is running via Wayland. If...
View ArticleKeyboard computers (400, 500, 500+) • 500+ screw pattern for mounting plate
So, previously i tried to mount a 400 for an install in a hard case. It sort of worked.Thus i am very happy with the decision for the 500 plus to use screws. I've already confirmed that the screw...
View ArticleClik here to view.
Other projects • outdoor Pi enclosure that works well
IDK if this is the right place, anyway: I have a semi-permanent GNSS receiver station. The longer your antenna cable, the more signal loss you have so the electronics should be reasonably close to the...
View ArticleTroubleshooting • Chromium annoyance
Hi all,Since I started using Trixie I have run into a real Chromium annoyance.The OS version is...Code: Linux trixie-desktop 6.12.47+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.12.47-1+rpt1 (2025-09-16)...
View ArticleGeneral • I2C operation does not survive jump to user program
RP2040 dual-core bootloader + user app: I2C devices seen in bootloader, none in user appPlatform: Pico W (RP2040)Architecture concept:- Core 0 runs a resident bootloader (handles BLE uplink, system...
View ArticleKeyboard computers (400, 500, 500+) • Screen size
Hi,with a PI400 I am using as monitor a TV,but under PI OS I am not able to find the correct screen size,and therefore I do not 'see' correctly the displayed info on the sides.Thanks for your...
View ArticleBeginners • Raspberry Pi 5v on gpio long term damage
I applied 5v on GPIO pins a few times but only as an monitor for w65c02 running on 5v. When i found out that raspberry pi is 3.3V (i assumed its 5v) i stoped using it that way and it seems to word...
View ArticleAutomation, sensing and robotics • Using Pi to trigger LED light controller
Hi - new user here...I'm trying to use a GPIO pin to activate a "trigger" on a small LED strip controller that has a trigger input. All I need is to short that trigger to ground, and I'm trying to...
View ArticleClik here to view.
Python • Class Variables, Access, and Persistence
Newbie/novice Python guy here. I'm trying to avoid using global variables, and in some of my searches I was pointed in the direction of Class variables. But I'm struggling with scope and persistence....
View ArticleTroubleshooting • RPI3B+ Kernel Img Error
HeyI've got a 3B+ that has worked fine in the past when using a new SD card, but now when I flash a new version of the firmware through the rpi-imager the ACT light blinks 7 times repeatedly. Does...
View ArticleHATs and other add-ons • 52Pi vs Waveshare PoE+NVMe HAT for RPi5...
Original Purchase: Just ordered the 52Pi P33 M.2 NVMe 2280 PoE HAT (with official cooler) for my 8-node Raspberry Pi 5 cluster: 52Pi Product PageNow Second-Guessing After Watching This: Jeff...
View ArticleTroubleshooting • Old RPi Zero W
Hello,In one of my drawer i found an old RPi Zero W, i I want to use it, so i decied to burn a MicroSD an see.I used the Rpi Imager and select the device and the os, but it is working when attached to...
View ArticleGraphics, sound and multimedia • Sound system advice
Hi, I am looking for assistance for building a car sound system. I'd like to use a Raspberry Pi 5 to run it, but have no idea what hardware will be needed for this. What I want is a maxed out Pi 5...
View ArticleWanted • 2.5 Gb USB-C adapters?
What would you recommend for 2.5 Gb USB-C adapters that are compatible with PI 5 on Raspberry Pi OS Lite? (Preferably available on Amazon)Statistics: Posted by HawaiianShirtGuy — Mon Oct 27, 2025 4:27...
View ArticleClik here to view.
Raspberry Pi OS • Trixie fails at mounting and safely ejecting NVMe and USB3+...
This was discussed many times in the beta section after Trixie was made available for testing and as a RC...Still no fix so posting this here so more people can report their own experiences...Context...
View ArticleAutomation, sensing and robotics • pizero2w OS
I want to use the pizero2w with gamepad controller to operate a 6 dof robot arm. Which OS should I use ? I tried the full 64 bit version but had trouble with it seeing the gamepad after using the...
View ArticlePython • RPi 3 with TCS3200 sensor: lgpio.error: 'bad event request'
Hello there,I am working on a student project that measures colour with the TCS3200 and a RPi 3 but I'm running into an issue with the code. When I try to run my code while the sensor is looking at...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Display loses image after data transfer...
I have a display from an Anycubic Kobra Neo 3D printer (presumably ST7789V). I'm trying to get it working on a Raspberry Pi running Raspberry Pi OS (Bookworm).My config.txt:textCode:...
View ArticleTroubleshooting • 300ms touch latency on a Waveshare display
Hi, I bought their display: https://www.waveshare.com/wiki/12.3-DSI-TOUCH-A and compiled their modules. They work fine with the stock Raspberry Pi OS kernel.However, the touch latency is up to around...
View ArticleNetworking and servers • How can I make my Raspberry Pi + Flask project act...
Hi everyone, im working on a color analysis project where my Raspberry Pi captures images and analyzes color changes. I built a Flask web interface to control the system (start analysis, see results,...
View Article