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Off topic discussion • Connecting RPi to WiFi in a school
Hello!In a previous post, I asked about what Pi to use for a HS robotics club. The answers were very helpful and our advisory board decided on using 4Bs, Picos, and 400s for practice (might invest in...
View ArticlePython • GPIO busy in Flask Service
Hi guys,I'm facing difficulties with my raspberry pi using the gpiozero library. Here is what I have:I'm running a web application that executes multiple python scripts. I have mechanical buttons that...
View ArticleRaspberry Pi Connect • Raspberry Pi Connect does not work without IPv6
TLDR: Somehow, my Raspberry Pi Connect only connected 10% of the time, but when I enabled IPv6 on my router, the connection is reliable and no more errors are reported.My issue is similar to this...
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General discussion • Strange behaviour when powering RPi5 from GPIO
Hello forum, I am seeing some very strange behaviour when trying to power a Raspberry Pi 5 through the GPIO.The board is an out of the box RPi5 with 8GB RAM and booting from a freshly flashed SanDisk...
View ArticleGeneral discussion • Computer Vision on Raspberry oi zero 2w
Hello everyone!I am using Raspberry Pi Zero 2 W for my project and want to implement machine vision using OpenCV.I am interested in:Is Raspberry Pi Zero 2 W suitable for working with OpenCV?Which...
View ArticleCamera board • GStreamer Bayer Data Off a IMX219
So..... There I wanted to use GStreamer to make my life a little bit easier when it came to getting the bayer data from an IMX219 sensorThe first thing I did was use Code: libcamera-hello --list to...
View ArticleGeneral discussion • Boot Order Question
Hi all,I've just ordered my first SSD so I'm going to mess with boot order for the first time. I'd like to use the SSD for Batocera as my primary use, but on occasions when I want to use the Pi for...
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Off topic discussion • Focusing Issue with 1080p HD Webcam for Raspberry Pi
Not sure of this topic fits in here this is my first time here. Any advice is much appreciated My camera has been working for months now but now ive got a problem with focusing. Havent had this...
View ArticleRaspberry Pi OS • Wayfire autostart not working
I've just installed a fresh copy of Raspbian bookworm (2024-11-19) and I'm trying to make grafana-kiosk launch automatically at startup.The file at ~/.config/wayfire.ini did not exist so I created it...
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General discussion • Attach a Pi5 with velcro?
Has anyone tried putting velcro over the vent holes on the flat bottom of the official Pi 5 case? This would be a convenient way to mount it to the back of a display for a kiosk. The fan is on the...
View ArticleGeneral discussion • EDK2: USB driver fails to load
HI,I'm trying to get CoreOS running on my Pi4 4GB (rev 0), but I'm losing the USB during boot.Where it the right place to fine help (besides Fedora) as that is an overlapping...
View ArticleCompute Module • PWM Audio on CM4?
Hi,I'm trying to get PWM Audio working on a CM4. I'm using a baseboard from Waveshare (https://www.waveshare.com/cm4-dual-eth-4g-5g-base.htm) which exposes the 40 pin IO connector.I have built a...
View ArticleMicroPython • Unable to allocate memory on a raspberry pico w
I have this very annoying problem where I'm trying to create an SSL socket and it fails with a `ENOMEM` error. I previously went into a rabbit hole and found out that `ussl.wrap_socket()` requires...
View ArticleRaspberry Pi 400 and 500 • Dacberry400 vs Pimoni Audio DAC Shim
This was previously discussed at viewtopic.php?p=2146180&hilit=dacberry#p2146180 but 12 months later the problem is still arising.I bought a dacberry400 from SB Components (sb-components.co.uk)...
View ArticleAdvanced users • CONFIG_ARM64_64K_PAGES=y causes issues with DMA memory for...
I noticed the CONFIG_ARM64_64K_PAGES option and got curious about it. I found that dmesg was recording the following everything 9 minutes or so. What might be a settings to change to avoid this?Code:...
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Troubleshooting • Troubleshooting when connecting the wifi
I have been used my raspberry pi 4b for almost 2 months since I was based in my home country. Today, I am taking my raspberry pi 4b to a foreign country and I have to connect to the local wifi. I have...
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Raspberry Pi OS • using Windows 10 Pro and Raspberry Pi Imager, when I...
At,https://www.raspberrypi.com/software/operating-systems/Downloaded:Raspberry Pi OS with desktop and recommended softwareRelease date: November 19th 2024System: 64-bitKernel version: 6.6Debian...
View ArticleBeginners • Raspberry Pi as an android HID
Hello everyone,I’m looking for advice on a problem with my friend’s broken Xiaomi 12T Pro. The screen doesn’t work, but the phone itself is still functional. Our goal is to retrieve the files stored...
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General discussion • RPi 5 HDMI to DVI monitor - error vcr-drm axi:gpu [drm]...
Hello! When trying to output via an HDMI adapter to a DVI monitor, the system issues vcr-drm axi errors.:gpu [drm] *ERROR* [CRTC:105:crtc-3] flip_done timed out - every 20 seconds and does not load. I...
View ArticlePython • Ram allocated to /run/shm ?
In my python scripts l use ram by using /run/shm directory.On a pi5 8GB it shows approx 4GB space available in /run/shm on a pi5 16GB approx 8GB.Why only approx 50% of ram ? What determines it and can...
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