Beginners • Mysterious USB Camera Messages in Kernel Log
This on a Pi 4 running Buster.A shell script on this machine grabs an image from the attached USB camera once every two minutes using fswebcam. I keep a log of this which records whether or not the...
View ArticleGraphics programming • Shared Memory on Pi5?
It is common optimization technique to use shared "local" memory inside a compute shader to avoid unnecessary write to global memory (slow!) https://developer.arm.com/documentation ... red-memoryupon...
View ArticleTroubleshooting • CAN NOT USE WIFI WITH 6.12-RT
Code: > uname -aLinux perdixky-desktop 6.12.0-rc7-v8-16k+ #2 SMP PREEMPT_RT Wed Nov 13 14:27:15 CST 2024 aarch64 aarch64 aarch64 GNU/LinuxCode: > dmesg | grep -i wlan> dmesg | grep -i wifi(no...
View ArticleBare metal, Assembly language • Trouble with I2C and LCD setup with a custom OS
For a computer science project, I figured it would be a fun idea to try and make a simple operating system for raspberry pi with I/O and file management capabilities. My main systems for output are...
View ArticlePython • Decimal digits extraction of 'Perfect Numbers' and Python's...
'Perfect Number #30'Code: import sysdef compute_perfect_number_52(): # Increase the digit limit for integer-to-string conversion sys.set_int_max_str_digits(10**8) # Set a sufficiently large limit #...
View ArticleHATs and other add-ons • Raspberry Pi "official" USB SDXC adapter...
Hi allNow that "official" RPi SDXC cards and USB adapters have become available, I ordered a 128GB card and one of these adapters (those with two USB plugs) together with a RPI 5 (8GB RAM) to try...
View ArticleGeneral discussion • Python 3.9 for coral usb accelator
As said on the site for the usb coral accelator the use of python lower than 3.10 is necessary.My default python version is 3.11 and i thought I added pyton 3.9 too.My questions:How to activate...
View ArticleGeneral discussion • Largest touch screen with rpi4?
Hi allTrying to build a digital dashboard/dakboard/magic mirror. Having looked on the pihut I can see the Hannspree 15" appears to be the largest rpi compatible touch monitor they sell. Ideally I want...
View ArticleRaspberry Pi OS • Random reboots
Hi, the raspberry pi 4 seems to be randomly crashing and trying to reboot itself.I have the following logs in syslog:Code: Nov 22 19:43:52 dcx wpa_supplicant[721]: wlan1: Reject scan trigger since one...
View ArticleAdvanced users • pi 5 imager boot custom image install from network
Hello, I was wondering if anyone knows a way to pull a custom image from a custom server during boot with pi imager. is there anyway to change the location and use a custom image to write to an nvme...
View ArticleRaspberry Pi Connect • Screen Sharing high latency Raspberry 5 headless
Dear all,I'm experiencing high latency with Raspberry Connect. When I move the mouse, it takes around 3 seconds to move on the remote raspberry.Do you know how I can resolve this ?(specs below)Thank...
View ArticleCompute Module • COMPUTE MODULE CM4 NOT BOOTING, LED FAST BLINKING
Dear Team,I have CM4 32gb emmc version, It is not booting and i observed continues fast blinking of red and green LED.I am attaching video link of observation : https://sparkmindaashokmindagroup-my.sh...
View ArticleAdvanced users • How do I exclude a USB drive from overlay system.
I enabled the overlay file system and now the external USB drive is also write protected, I moved all my nginx web server in /mnt/data directory and the changes are not surviving a reboot.My fstab...
View ArticlePython • RPi 5 GPIOD problems on 4x4 button matrix
Just got my RPi 5 a little while ago and decided to try setting up a 4x4 button matrix I had from my RPi 2 I have not touched in about 7/8 years trying to get back into python. I am trying to convert...
View ArticleNetworking and servers • [SOLVED]Tor Router - Not able to ssh via eth1...
I have a built a Tor router with Raspberry Pi 5 and a USB to Ethernet adapter. Everything works fine.My setup is, Raspbian Latest OS./etc/tor/torrcCode: AutomapHostsOnResolve 1AutomapHostsSuffixes...
View ArticleAdvanced users • Mounting encrypted partition created by rpi-sb-provisioner
Hello everyone,I've secured a CM4 EMMC module using sb-provisioner 1.3.0 tool and the OS image created by pi-gen. I see the image is booted properly, but now I would like to access the EMMC in USB MSD...
View ArticleGraphics, sound and multimedia • Is it possible to output windows audio on a...
Hello, i have a raspberry pi zero 2w. i am creating glasses on which a camera, mic & speaker will be mounted on it. The pi will be connected to a windows laptop, which will get a camera & mic...
View ArticleTroubleshooting • RS232-RS485-CAN-Board erros
HeyI've got this marvelous pi hatRS232-RS485-CAN-BoardWith this config:Code:...
View ArticleGeneral • Pico not working on startup - LED flashing
I am trying to run a program on startup using the pico. I can run the code just fine through thonny, however, when i plug the pico into a power source the onboard LED flashes 5 times and then continue...
View ArticleClik here to view.
Interfacing (DSI, CSI, I2C, etc.) • Touch driver development - strange...
I'm working on a touch driver for a 2.8in display. Driver seems to be working fine for single click, long press etc, but when I i.e. want to move an icon on the desktop I will end up with the 'shadow...
View Article