Raspberry Pi OS • /etc/xdg/lxsession/LXDE-pi/ no long works
I downloaded the newest version of Raspberry Pi OS and wanted to have something done on boot. I put the commands into /etc/xdg/lxsession/LXDE-pi/autostart@lxpanel --profile LXDE-pi@pcmanfm --desktop...
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Python • Loop in function - read in new data
Hi! I´ll start of by thanking all the people who have helped me in my earlier questions and encouraging me to read up a bit more. I´m still reading, but now I´m coding and reading I´ve been trying to...
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Beginners • Feedback on prototype LED matrix layout
Hi, I'm relatively new to building circuits with the Raspberry Pi and was hoping for some feedback on the attached layout. My goal is to create a 15x7 matrix with these LEDs I purchased [1]. Note that...
View ArticleTroubleshooting • RaspberryPi5
I have purchased the RaspberryPi5 and I am not getting any video output. I power it on and the unit starts powering up but then the green light just keeps flashing and the it stops and then it starts...
View ArticleGraphics programming • [drm] *ERROR* Failed to allocate UPM entry: -28
A bit of a followup to my previous question about writeback connectors: On the Pi5/32Bit userland, I'm placing a 4K HEVC video together with a 3840x1080 GL framebuffer across two screens. The kmsprint...
View ArticleBeginners • Homemade power supply for portable use of Raspberry Pi 4
Hello everyone, I come looking for help. I'm trying to power my Raspberry Pi 4 in a portable setup using a 6V 4A battery. I've attempted to connect it through voltage regulators; first using the...
View ArticleTroubleshooting • Raspberry PI 5 Active Cooler spins at over 9200RPM when...
I have read though some of the other forum posts regarding issues with the active cooler. I have not found any other posts that describe the issue I am having.The issue I am having is with one of my...
View ArticleBeginners • Low Sampling Rate on Waveshare ADS1256 Raspberry Pi Board
I recently acquired an ADS1256 Raspberry Pi expansion board from Amazon https://www.amazon.com/High-Precision-A ... B083WN119J and have encountered an issue that I'm hoping to get some help with....
View ArticleTroubleshooting • Camera does not work after compile kernel
Dear all,I'm trying to do test camera feature with RPi 5 hardware and IMX219 camera module.The camera works well with the OS downloaded from raspberry pi imager, but after I tried to compile the linux...
View ArticleGaming • Gaming environment framework
I would like to see someone develop a framework environment for making games for the PI. I'm thinking like an app a person can start up and start making a game for the PI. Think something like Mario...
View ArticleTroubleshooting • New Raspberr Pi 5 runs hot compared to different RP5
I need to report an issue with the RP5 I just recieved.This Pi 5 is working but compared to my other Pi5, this new one runs hotter then the other. (about 35 degrees more) , I did not want to add...
View ArticleTroubleshooting • Pico_on_Windows_SDK_Guide
I'm trying to follow along with the Pico_on_Windows_SDK_Guide and I am stuck.Here's the guide: https://wiki.52pi.com/images/6/69/Pico_ ... _guide.pdfI installed Arm GNU Toolchain, CMake, Ninja, Python...
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Graphics, sound and multimedia • Screen rotation without performance issues
Hi guys!I'm new to the platform and the forum and hope to stay on-board for a long time.Can someone please tell me if the performance issues still exist when rotating the display by 90/270 degrees?...
View ArticleGeneral discussion • Installing Audacity is not working - what am I doing wrong?
Hi everyone,I'm new to using raspberry Pi and linux in general. I am trying to install the software audacity, but it doesn't seem to be working. Here's what I do:Go to: Prefrences > Add / Remove...
View ArticleAdvanced users • Overclocking beyond limits
So to get straight into it I have the Raspberry Pi 4B and concurrently run it stably at gpu_freq=900arm_freq=2300over_voltage=14 But I want to go further messed around a little bit with Sub-Zero but...
View ArticleC/C++ • Github Unified_LCD woes
Hi,When I picked up a 16x2 RGB LCD clone of the Adafruit board, the supplier suggested I utilize Dougie Lawson's Unified_LCD at https://github.com/DougieLawson/Raspber ... nified_LCD to talk to it.Got...
View ArticleRaspberry Pi OS • Install docker error
please help me!iptables dpkg Status: install ok half-configuredhupeng@raspberrypi :/var/lib/dpkg $sudo apt-get install docker ce docker ce cli containerd. io docker build x plugin docker composite...
View ArticleTroubleshooting • USB audio card on RPi 5 almost works
I bought a USB to 3.5mm stereo output card on amazon and plugged it in to my RPi 5. Everything looks correct but the system will not default to use it. sarg314@raspberrypi5:~ $ cat /proc/asound/cards...
View ArticleTroubleshooting • Raspberry PI 5 and NVME SSD
I just got the Pimoroni NVME base. I installed an SSD on the base and connected it to RPI5. It all works well. But there's one thing bothering me: I wanted to boot from a USB disk while NVME was...
View ArticleTroubleshooting • Raspberry pi 400 with 2 LCD issues.
Hello. I am solving one problem. I have a Raspberry pi 400. I use 2 monitors for work. But sometimes I only need one monitor to work. Even if I have one monitor off, the Raspberry still adjusts the...
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