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Keyboard computers (400, 500, 500+) • HDMI problem
I have a 500 than has had faulty HDMI ports (probably dry joints) ever since I got it. The signal gets lost every time the computer is move of a cable shifts and needs a lot of gentle nudging to get...
View ArticleGeneral • error ninja: error: loading 'build.ninja': with SDKv2.3.1 and Pico 2
I'm using vsCodium with version 0.23.0 of the pico extension installed. If I create a new c/c++ project and the board selected is pico2 and the sdk version is 2.3.1 I am getting the error Code: ninja:...
View ArticleTroubleshooting • Assessing the Severity of the "Undervolt" Problem...
Here's an interesting spin on the good old "Undervolting Power Supply Problem..." - and I'd be grateful for any thoughts, suggestions, or feedback. I have just recently relocated 6 of my Pi4Bs in to a...
View ArticleRaspberry Pi OS • Firefox performance differences between packaging methods
Edit: I see now this post could have been a lot more nuanced. This doesn't include any benchmarks so it might not even be accurate, as there might be something unique I'm encountering with my specific...
View ArticleMicroPython • Code Editor Raspberry Pi Foundation
Morning,Can the Code Editor at https://editor.raspberrypi.org/en-US/pr ... on-starter be used for MicroPython?I want to find something that is web based that can program Pico'sViper-IDE was excellent,...
View ArticleNetworking and servers • Pi 5 (1 GB) hosting a public chess website: nginx,...
Hi all! I wanted to share a project that has been running on my Pi 5 for a few weeks: chesscodex.org, a free chess opening encyclopedia with a page for each of the 3,690 named opening lines. The whole...
View ArticleGeneral • PIO: does out ISR, 32 trigger autopush?
If autopush is enabled for a PIO state machine, does Code: out ISR, 32 cause the contents of ISR to be pushed to the RX FIFO?(I'm assuming 32 bits should be enough to meet any configurable value for...
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Off topic discussion • RasPi sent to space - by some german high school...
Hello, Community!I just want to draw some attention to a project 14 highly interested an encouraged students of a german high school somehow managed to bring on its way to space. The students are part...
View ArticleHATs and other add-ons • Temperature activation of fan
I have the official Raspberry Pi 5 fan in the official case and I am following a YouTube Godot tutorial while having Godot open, and my RPi is getting very hot. Is there anything I can do to make my...
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Deutsch • Ventilatoren und Glühbirnen steuern
Hallo! Ich bin sehr neu dem Ganzen, darum habe ich viele Fragen an euch. Wäre sehr dankbar um jegliche Hilfe. Zusammengefasst mache ich ein Kunstprojekt mit technischen Elementen, dafür habe ich mir...
View ArticleGeneral • What is the Hard Limit on wake-up time for an RP2350?
Hello, I am interested in how fast an RP2350 could awake from a Low P-state via an interrupt pin. I'm currently getting a speed in the ballpark of 20ms, but was wondering what the hard-limit of the...
View ArticleTroubleshooting • Knocked off R10 resistor from RPI 3B
Hi!I found an RPI 3B with a knocked off R10 resistor. I was wondering if anybody knows its value. I'm attaching a picture for reference. https://imgur.com/GqfkGARThanks for your help!Statistics:...
View ArticleRaspberry Pi OS • More Trixie oddities...
Second list of Trixie differences:1) The new gcc (and associated toolchain) makes very large executables for trivialinputs. Observe:$ cat hello.c#include <stdio.h>int main(void) { puts("hello,...
View ArticleOther • Keephaven: open-source home cloud OS for the Pi 5 (NixOS, recovery...
hi all. I've been building a home cloud on the Pi 5 called Keephaven and it's now open source, the whole OS plus a ready-to-flash image. What it does: six self-hosted apps set up and signed in on...
View ArticleBeginners • Raising or lowering a GPIO pin to detect a connection
I am well on with physically building a prototype controller for a particular lab instrument. The same controller will have extra functionality depending on whether or not a second instrument is...
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Other • Onyx — a multi-process OS for the Raspberry Pi 4, built on Circle
i everyone,I'd like to share a project I've been working on: Onyx, a homemade multi-process operating system for the Raspberry Pi 4 (AArch64), built on Circle as its hardware layer. Circle made all of...
View ArticleAdvanced users • Pi 5: our default distributed-llama build had zero udot/sdot...
While tuning our four-board Pi 5 16 GB cluster for LLM inference with distributed-llama, we found that the default build had no NEON dot-product instructions at all:Code: objdump -d dllama | grep -cE...
View ArticleRaspberry Pi OS • Doing many things in Bash
Morning,How could I do the following in Bash:Change the file manager preferences to tick these options: a - open files with single left click b - dont ask options on launch executable...
View ArticleRaspberry Pi Connect • Screen Sharing / Remote Shell consistently fail with...
Subject: Screen Sharing / Remote Shell consistently fail with ICE/TURN handshake timeout — confirmed via dual-sided packet captureSummary of the problem:Screen Sharing and Remote Shell both fail on...
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Other projects • ArPI Home Security: open-source Raspberry Pi alarm system...
Hi everyone,I'd like to share ArPI, an open-source home security system built on the Raspberry Pi Zero W. The idea is simple: replace the mainboard of your old alarm system and keep the sensors,...
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