Troubleshooting • Raspberry pi 5 Says it can do 4k video
In youtube i cant watch 4k video i am using a 1080p display but still.Also even if the vido is at 1080p it looks like 480p or 720p all the time and my internet is capable of doing 4k...
View ArticleBeginners • 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 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 • Distorted windows remote desktop (no monitor)
I'm connecting remotely to Debian GNU/Linux 12 (bookworm) using Team Viewer and some of the windows are distorted, more specifically Chromium and the Team Viewer windows. The rest of the GUI works...
View ArticleCompute Module • Powering CM4 via 5V GPIO while on carrier board
I run a BTT Manta E3EZ for 3d printing, which includes a spot for a CM4.While the printer is powered on, the CM4 receives +5V through the carrier board, however I would like to power the Pi while the...
View ArticleMicroPython • MicroPython Resources for Pico-series boards and RP2 devices
not clear for me: I got a RP2040 board many months ago but never tried it, more than checking that was working: now i have a PIMORONI_TINY2040-20240602-v1.23.0.uf2 file. all examples use firmware.uf2...
View ArticleTroubleshooting • Audio and CEC issue/KMS vs FKMS
I recently created a new image for my rpi2 using bookworm raspbian lite.If I set the boot config.txt to use Kms, audio does not work, but CEC does workIf I set the boot config.txt to use fkms, audio...
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 • Tor Router - Not able to ssh via eth1 (iptables...
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...
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Advanced users • Connecting TFT Screen to a Raspberry Pi 3B
I wanted to connect a TFT screen to a Raspberry Pi 3B but I dont know any information about the TFT. This is the Image of the TFT : The 2 chips on it dont have a clear marking but this is their image...
View ArticleGeneral discussion • Wi-Fi is currently blocked by rfkill Issue
I am running raspbian latest on rpi5I did not configure wifi using raspi-config/or with Raspberry Pi Imager because I want to use wifi as AP (hostapd)The problem is, each time after reboot, I will see...
View ArticleOther projects • AD9361 and Raspberry PI 4
Hi all, I have a task, I want to connect AD9361 chips via FM-COMMS2 board and FPGA (as a linker) via SPI to my Raspberry PI4 CM, using an operating system with iio library to work with this chip....
View ArticleGeneral discussion • Display rotation and graphic acceleration
Ok, so... I'm using pi4b with Buster.I know that if I rotate screen with 'display_rotate' option in 'config.txt', it disables 'vc4-fkms-v3d' and 'vc4-kms-v3d', so we lost graphics acceleration. For...
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