Raspberry Pi OS • Raspberry Pi OS Lite does not work
I am NOT a novice with LinuxI have an old RPi 2 and I was going to take it in use.Upgrading the old system took over 10h, so I downloaded Raspberry Pi OS Lite, which was advertised to work in ALL RPi...
View ArticleBare metal, Assembly language • Data Abort, MMU and atomic operation (casal)
Hello, I'm trying to make a small bare metal system in C that could integrate the OCaml runtime. I would like to propose this solution for Raspberry Pi 5 (so aarch64). My code is available here:...
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MicroPython • Pico with 4 1306 OLED
Hi, I've had this little project going for a long time and I have had a great time working on it. I bought some Pi Pico's and a set of SSD1306 OLED's. I have been wanting to use these in my car to...
View ArticleAdvanced users • Best Fast & Low-Latency Streaming Method for Raspberry Pi 4
Hello Raspberry Pi Community,I am working on a real-time streaming project using a Raspberry Pi 4 Model B, and I need advice on the fastest and most efficient streaming method with low latency.What is...
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General discussion • What is the component broken off this Zero 2?
This Pi Zero 2 has taken an impact near the mini HDMI port and knocked a small component off the PCB. Does anyone know what this component was?Statistics: Posted by EricB1910 — Fri Jan 31, 2025 2:33...
View ArticleSDK • RP2350 Repeating Timers Stop
Hello Everyone, I've come into an interesting problem with my RP2350 Pico2 Repeating Timers Stop when there is high demand on the CPU. This goes away seemingly if I remove the overclock. I'm using the...
View ArticleRaspberry Pi OS • Errors using legacy archive
I need to use python 2.7 for a project, so I installed jessie on a pi3. I have edited the sources.list to:deb http://legacy.raspbian.org/raspbian/ jessie main contrib non-free rpiI attempted an update...
View ArticleCamera board • Troubleshooting in camera
I followed this document online https://datasheets.raspberrypi.com/came ... manual.pdf.I have installed the python3-picamera2 library. However, when I run the code:Code: from picamera2 import...
View ArticleGeneral • pico 2 not showing up as a COM port
Here is my code and cmakeCode: #include <stdio.h>#include "pico/stdlib.h"int main() { stdio_init_all(); const uint LED_PIN = 0; gpio_init(LED_PIN); gpio_set_dir(LED_PIN, GPIO_OUT); bool b =...
View ArticleGeneral • IRQ trigger fron 2nd device
Hi,Is it possible for 1 device with for example a sensor to then raise a hardware interrupt on a 2nd device?I'm learning and experimenting so this isn't supposed to be a workable device just a...
View ArticleAdvanced users • Dynamic CPU Core Management on Raspberry Pi 4: Enabling...
I'm working on a dynamic CPU core management system for my Raspberry Pi 4 Model B. My goal is to initially disable three cores (core1, core2, core3) and keep only core0 active. When a heavy task runs...
View ArticleGeneral discussion • Adding plugins to RPi5 Menu bar
I an using an old monitor that does overscan and I would like to avoid modifying CONFIG.TXT if at all possible.The problem is the RASPBERRY PI menu at the top left of the screen is all but invisible....
View ArticleTroubleshooting • Troubleshooting of opencv
I use raspberry pi 4b bookworm. python 3.11.2. I also use Raspberry Connect to connet to the raspberry pi. https://www.raspberrypi.com/software/connect/I manaed to install open cv and I ran the code...
View ArticleTroubleshooting • [SOLVED] Starting Chromium at login
Hi,I would like to start chromium at login for a specific user (on a multi-user Pi 5).I added "chromium" in ~/.profile, in ~/.bash_profile and in ~/.xinitrc . But none is working.So how can I do it...
View ArticleAdvanced users • initrd.img-6.6.74+rpt-rpi-v8 missing after updating
I have 20 Raspberry Pi's running RaspiOS 64 lite that, after updating them, don't have Code: boot/initrd.img-6.6.74+rpt-rpi-v8They all have Code: boot/initrd.img-6.6.74+rpt-rpi-2712What's going...
View ArticleBeginners • Noob help with power cycle
Hi im new to RPI and im currently trying to get a DHT22 temp and humidity sensor outputting to an LCD, which all works fine.. however after a period of time the LCD will just display garbage...
View ArticleAdvanced users • Rollback to 6.6.62 / Audio Issue
We have a system based on Asterisk that is used in amateur radio applications. For legacy reasons (we are trying to eliminate), it still writes to `/dev/dsp` and needs the s`nd_pcm_oss` interface....
View ArticleGeneral discussion • [Raspberry Pi 5] Experience with undervolting?
Hello everyone,I reduced the voltage of my Raspberry Pi 5 by 0.075V (Load: from 0.8986V to 0.8208V) and reduced the clock speed from 1.5GHz to 1GHz for idle without having any problems with stress...
View ArticleAdvanced users • Starting TightVNC Server with Systemd
With no response to my previous post on accessing a Pi with Guacamole I've now changed tack and am using tightvncserver on the Pi instead of the regular RealVNC server. All I had to do was apt install...
View ArticleTroubleshooting • CM4 Unable to Flash
I can't flash or interact with a CM4 I recently purchased. The activity light is flashing green rapidly and constantly, there is no pattern to the flashing. The device is not showing up on the PC. I...
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