Advanced users • Execute command at poweroff, not at reboot
Dears,I have a service file called myservice.service in /etc/systemd/system, and the content isCode: [Unit]Description=This service calls shutdownScript.sh upon shutdown or...
View ArticleAdvanced users • Raspberry pi 4b 7in touch display lag
Hello, we are having an issue with our touch screen not graphically updating after a press. It takes about a quarter of a second to release the press, and our communication to our webserver happens...
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Other projects • Raspberry Pi LVDS Voltage Reader Project!
Hello, this is related to a post I did yesterday but I did not put enough details of the project for the best help. I am currently working on a project where using the Raspberry Pi 4 Model B, I will...
View ArticleTroubleshooting • Pi Failing to boot
Hi all.I bought a Pi 4 8GB (not 5) soon after it was released.Installed it. it didn't boot, thought I must be doing something wrong. Tried a couple of times got busy with other things.Today I've...
View ArticleAutomation, sensing and robotics • Motozero motor doesn't stop
Hi,I'm stripping this down to basics to troubleshoot wayward motor behaviour. I have a motozero connected to a Pi zero2, with motors connected to motor 1 & 2 on the motozero. If I run this code,...
View ArticleGeneral discussion • LVDS voltage read
Hello, I am trying to read voltage from an LVDS signal that will connect to the USB port of the Raspberry Pi 4 Model 4. Do you have any hardware suggestions as well as programming help?Thank...
View ArticleItaliano • WS2812B led control with Raspberry Pi 5 not working
Good evening everyone, I have a WS2812B LED and I tried to make it work on the Raspberry Pi 5 8 GB.Now I'll explain everything I did up until the moment I ran the code to control the LED.First I...
View ArticlePython • VENV and Missing Package
Having never used Virtual Environments before, and being forced (more or less) into using one because I'm on a RPi 5 and Bookworm, I've tried to set up one so I can run a previously working Python...
View ArticleUbuntu • How to safely switch kernel?
My rpi5b is running "Linux 6.5.0-1009-raspi #12-Ubuntu SMP PREEMPT_DYNAMIC Wed Jan 17 11:45:08 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux"Due to having added a geekworm X1003, i need to have working...
View ArticleGeneral discussion • Monitor events from HIKVISION ANPR camera
I am out of my depth here, but I will give it go.I want to monitor events from an ANPR camera - just need timestamp and number plate data, but not sure how to go about this. In the end I want to be...
View ArticleGeneral discussion • Raspberry pi 5 with 500GB NVMe strange behavior.
I've had a pi 5 with a pinnberry hat and a 500GB NVMe running for a month and a half 24/7 without a single error while developing a system. Latest Raspberry PI OS 64bit with influx and grafana.I saw...
View ArticleGeneral discussion • Simple way to tell if an image has a person in it?
I tried googling but only found overly complicated tutorials involving beasts like opencv, tensorflow and real-time labelling. And most of those tutorials are also obsolete. I just want to know if an...
View ArticleTroubleshooting • How to fix broken/missing Kernel after failed upgrade
How I got there:I performed an update && upgrade on my PI 3A+. After several hours it still wasn't completed, but there where still new lines being printed on my console, so I let it run...
View ArticleAdvanced users • Errors during upgrade ...
I have a RaspberryPi Issue 1 (2011) which has carried out routine tasks for me daily since it was first purchased. It runs on the first release of Buster. I realise that Buster has been put out to...
View ArticleCamera board • picamera2 - prevent camera auto-adjusting to light conditions?
I have a Raspberry Pi4 hooked up to a Pi-Camera-3 - using 'Picamera-2' library from Python.I'm pointing the camera down a microscope lens - and it pretty-much works - but every now and then the image...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Direct access to I2S on Pi5
Hi,I’m trying to implement a direct access to the Pi5 I2S module. I’ve read the Linux driver mentioned in the RP1 datasheet and I think I’ve got the register list and all fields used in the source...
View ArticleTroubleshooting • Pi5 no green light anymore (amber)
Hi,since today, the led light of my Raspberry Pi5 turns from red to amber rather than from red to green.This coincided with installing the active cooler. I then removed it, however, the red light...
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Troubleshooting • HDMI ports destroyed
I recently got a Raspberry Pi 5 8GB with Raspberry Pi OS (preinstalled latest version by Pi Hut. I had been using a Dell G2724D monitor, which had worked fine for a couple of weeks of occasional use....
View ArticleBeginners • Surfshark App
Hi all, I am trying to get the Linux version of the Surfshark app working on my Pi3. I can get connected with command lines but can’t get the app to load. Anyone have experience with that? Is it still...
View ArticleTroubleshooting • Problems using Raspberry Pi PicoW with FreeRTOS
I want to use picoW with FreeRTOS. I sort of have it. My directory structure for the project is below. In src/main.cpp I have the following and it works fine. I get different tasks...
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