Troubleshooting • Noir camera v2.1 stopped working
I have three of these in my home (as baby monitors). One just stopped. I've tried different boards and different cables. I think I've determined it's a fault with the camera unit itself.When I run...
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MicroPython • Print the contents in Thonny shell
The output in the shell looks like the attached file for a weather program being run. When I copy the contents and paste into Word, all the formatting is lost. Is there a way to save the contents and...
View ArticleRaspberry 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...
View ArticlePortuguês • Expanção para portas IO
Boa tarde,Tenho aqui 04 x modulo rele c/ 8-ch totalizando 32 rele, só estou conseguindo configurar 16 portas GPIO, como posso fazer uma expansão para 32 GPIO utilizando a mesma placa, isso é...
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 ArticleOff topic discussion • Remember the C.H.I.P. Single Board Computer?
While doing some cleaning and sorting today I found a couple of C.H.I.P. Single board computers. I plugged them in to power and a TV using a TRRS to video/audio cable. The display was all over the...
View ArticleGeneral discussion • Broken camera socket…any other way to connect a camera?
I have a raspberry π 5 for octoprint and the camera socket is physically broken. The unit fell with the camera attached and that was the result. I suppose hot glue or something could be used to get...
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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