C/C++ • How to change resolution of display via c++ ?
I'm doing C++ app for Raspberry Pi 4. I need to change a screen resolution of display to 640x480Code: std::system("wlr-randr --output HDMI-A-1 --mode 640x480");glutInit(&argc,...
View ArticleTroubleshooting • Pi OS Bookworm/Wayland crash to login (broken pipe)
I appear to be able to replicate the Pi OS Bookworm/Wayland crash to login prompt. This always seems to happen randomly when closing a window.The following pygame code has replicated the issue, after...
View ArticleFor sale • FREE - 2 x 20W audio amp with 5V/5A PSU to fully power a Pi 5
I've designed an audio amplifier with a 5V/5A PSU integrated on it, so it's capable of fully powering a Pi 5. The amp on it's a TAS5731, capable of 2 x 20W output.I have three spare boards from the...
View ArticleGeneral discussion • Use of curl vs. pycurl and correct syntax
Very new RPi user here – one week’s experience. I have 3 related questions:1.Should I use pycurl or curl?2.What would be the right syntax for the pycurl/curl command?3.Is curl even the best way to run...
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Graphics, sound and multimedia • KODI playing time and clock using HP 5082...
Hi all!I have stumbled across a large number of beautiful HP5082's and I really want to use them as a simple display in the front panel of my media PC.I'm running Windows with the latest stable KODI...
View ArticleGeneral • Clarification on GDB firmware load
I'm tinkering with a Raspberry Pi Pico without using the official SDK (writing my own linker script, build system and drivers).What I've done up until now works but I've got some doubts about the...
View ArticleAdvanced users • Audio Missing at Start of Video Played with Python-VLC
Hi,I am playing some .mp4 video clips in a python script using python-vlc and noticed that the audio is choppy in some parts e.g. works or parts of words missing. This is the same when playing them...
View ArticleTroubleshooting • Audio Problems with RP4
Hello,Long-time fan of your product. It's been working great for over three years! However, I am now struggling with an audio problem. I was hoping I could explain what's happening and see if a tech...
View ArticleBeginners • Torrents on headless Pi Zero 2 W?
Just bought my first ever Raspberry Pi, a Pi Zero 2 W. I have installed Raspbian 32-bit headless OS on a micro SD card using the install software. I have set up SSH access and successfully logged in.I...
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General discussion • TP1 and TP12 sockets torn out RPI 4
I have a problem, TP1 and TP12 sockets were torn out.System won't boot, how can I fix it? Is it enough to solder the connectors?Statistics: Posted by lukassz — Sat Apr 13, 2024 11:17 am — Replies 0 —...
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Troubleshooting • On Raspberry Pi 5, one should use GPIO chip 4, not chip 0
Posting this to save you folks half a day - because it took me that long.So , my program uses GPIO lines via the Linux kernel "gpio.h" library, using calls like open(), ioctl(), poll() and read().I...
View ArticleTroubleshooting • Why i cant launch python script with systemd?
I tried to launch my voice assistant with the start of the rassbery pi 4 using systemd but its faliurCode: Apr 12 19:44:24 raspberrypi python3[38693]: Traceback (most recent call last):Apr 12 19:44:24...
View ArticleTroubleshooting • The screen resolution automatically switches to 3840x2160...
The screen resolution is 3440x1440@100hz, hdmi_enable_4kp60=1. When playing HDR videos on Kodi, the screen resolution automatically switches to 3840x2160. But When hdmi_enable_4kp60 is not enabled,...
View ArticleGeneral discussion • How to verify the environment information in which the...
Hi.I'm working on uploading a uf2 file to the Pico. I'm curious about how much resources are being used in this limited environment. This will help me determine if I can add other tasks.What methods...
View ArticleOff topic discussion • Dream hardware
The Pi 5 clearly points to peak lithography and we are stuck with Pi 4 for passively cooled solutions.But the imbalance between CPU and GPU is now even worse than before.The dream device for me is a...
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Troubleshooting • Any successes w/ Mathematica 14 and RealVNC 7.10?
I'm trying to get my upgrade from wolfram-engine 13.3.1 to the new 14.0.0 on the standard feed (thanks for making it available!) running on my current Raspberry Pi 5 with RealVNC 7.10...
View ArticleBeginners • Keyboard Layout Issue on Raspberry Pi (Multiple Users)
Keyboard Layout Issue on Raspberry Pi (Multiple Users)I'm having trouble with the keyboard layout on my Raspberry Pi 5's running Bookworm. The keyboard works normally for the default user, but for...
View ArticleAdvanced users • Raspberry Pi OS vs Debian / Security updates
Hello Folks,I was convinced that our OS was vanilla Debian. But I recently noticed that nothing less than the kernel was different from that of Debian. So I would like to understand to what extent...
View ArticleOther projects • In car entertainment
Hi Everyone.I am completely new in all of this. This is why I am asking in here.I am thinking about making it possible for my kids to watch a movie in the car. A setup like two screens in the back and...
View ArticleTroubleshooting • Raspberry Pi 1B - The act LED does not flash
I installed Raspberry Pi OS Lite on a Pi0W, then installed wifi drivers not present in the system for a dongle for use on a Pi 1BAt startup the Pi 1B works, responds to commands, but the ACT LED never...
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