Camera board • Re: raw .dng video and Pyqt5 ThreadPoolExecutor/QThreadPool?
I'm bringing this post up because I saw that Therealdavidp was around... Hi, yes I saw this message but didn't reply because I'm sure there are folks out there who know way more about Qt than I do!...
View ArticleRaspberry Pi OS • Re: Screen blank not working arm64 Desktop lite.
Hey thereI know it's been a while since you asked this (and the link you posted seems to be broken) but from the tldr I seem to be currently facing the same issues with wayland/wayfire. Setting the...
View ArticleTroubleshooting • Re: More CUPS issues on Bookworm and CUPS 2.4.2
Hello,Sorry at the time no the Dymo was connected to the other working RPI.Could you advise. On which driver i should try please?If there is nothing on the SD card you want other than cups, I would...
View ArticleGeneral discussion • Re: Portable Power Supply For Rpi?
I found this tutorial on Makerspot, but it required 2 things this DC board and a 3.7 lithium battery. Is there a way to do something like that but with 1 single part?Yes. See the first reply in this...
View ArticleTroubleshooting • SAP issue in bluetooth.service in bullseye Lite
When I run the following command (Rpi bullseye Lite) to check the status of my bluetooth service, I get the following error. This happens on two different up-to-date bullseye systems: an RPi4B and an...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: How to low chip select pin 0.
RPi.GPIO has not been updated to support Pi 5, which is why you get the message "Cannot determine SOC peripheral base address". But you don't need any explicit GPIO control just delete all the GPIO...
View ArticleGeneral discussion • To implement BLE, must one use BT module as HC-05?
I'm working on a team project. We want to implement BLE connection between an Android device and an RPi4. Can we achieve this using the built-in Bluetooth, or do we need to use a Bluetooth...
View ArticleCamera board • Re: Which Controls Affect Raw Images
Not sure I can lay my hands on an "official" list, but it's only exposure time and analogue gain that can affect the raw image.Statistics: Posted by therealdavidp — Thu Apr 04, 2024 8:15 am
View ArticleBare metal, Assembly language • Re: Raspberry Pi 5 Memory Map -- Accessing...
It's not something that I've looked at (but I know others have), and I can't see anything from a quick glance over the documentation, but I would start with looking at the Linux drivers - things like...
View ArticleGeneral discussion • How to make secure boot silent?
I configured secure boot on CM4. Everything is fine, but as my cmdline.txt is now inside signed boot.img partition, the "quiet loglevel=0" options I had set are processed only after checking boot.img...
View ArticleAdvanced users • Re: Testing class A2 SD cards with Command Queueing on Pi 5
It is not fast_commit, it works fine with cqe. In fact, I have replicated all my settings on the vanilla image and it works with cqe. It is a mystery. What I did to the old image (the one not working...
View ArticleFrançais • Re: Conseil avant achat Raspberry Pi 4 - Quantité RAM pour lire...
Quoique ce soit un peu plus cher, un Pi5 ferait l'affaire (je choisis toujours le maximum de RAM possible) et va dans le Sens de l'Histoire. IIl est un peu léger en RAM à mon avis (ne suit pas la loi...
View ArticleTroubleshooting • Re: Cloned SD to NVME - Need to re-image NVME using same SD
You could edit /etc/fstab and cmdline.txt from PARTUUID to /dev/mmcblk0p1 as the bootfs and /dev/mmcblk0p2 as the rootfs.That will point the OS at the SD card, regardless of whatever else is...
View ArticleGeneral • Re: Connecting a lot of potentiometers to raspberry pi pico
The RP2040 chip in a pico has one ADC. The four ADC input pins go through an internal mux to that single ADC. Only 3 are available on a pico.This is true, but if using external multiplexing then there...
View ArticleTroubleshooting • Re: Camera interface option
when I give the order: libcamera-hello --list-cameras, I see an available camera. when I give this command to run libcamera-still -o test.jpg , it writes me this: INFO Camera camera_manager.cpp:284...
View ArticleGeneral discussion • rpi5 burned
Hello the forum,I have buy a new pi 5 with 8gb ram.I have start with a SD card with the official OS from Raspberry.First the rpi5 was powered by a USB c connector from a eternal power supply A screen...
View ArticleTroubleshooting • Re: My pi 5 wont boot
I did use an alcohol wipe to clean off some left overs of a thermal pad. It was working fine before this.I suspect removal of the item previously attached by the thermal pad is causing the Pi failure...
View ArticleGeneral discussion • Re: rpi5 burned
That sounds like: RIP 'lil Pi5!If the voltage rise time of your PSU is to slow you should still be able to power up the Pi by pressing the power button.Sorry, where did you get 22V from?Statistics:...
View Article日本語 • Raspberry Pi 5 におけるGPIO ピンの処理について質問
こんにちは、初めまして。いま、Raspberry Pi 4 model B を使って、GPIO ピンをいろいろ制御することをしています。具体的には、GPIO ピンの制御にはBCM2835 のドライバ?を使って・GPIO ピンの制御・UART の通信・SPI の通信を行っています。今後、Raspberry Pi 5 も使うことを検討していますが、GPIO 周りが変わったことで BCM2835...
View ArticleTroubleshooting • Re: Running Python File At Startup - Lock Up Detect
The normal hardware watchdog will only restart a Pi if the kernel or CPU has hung. The software watchdog daemon might be usable; you'd need to read up on it.Systemd can restart a failed processes. I...
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