Troubleshooting • Pi 3b+ using Pi 7" display brightness control not working
Pi3b+, Pi 7" display new freshly loaded 32bit OS."echo n > /sys/class/backlight/rpi_backlight/brightness" command no longer controls the brightness of the display.What has changed in the newer...
View ArticleClik here to view.
Raspberry Pi OS • QT5 and Wayland
Hello, I have QT designer 5.15.8 installed on my RPi-4 with latest Raspbian Bookworm (Wayland desktop). When mooveing my GUI project from older version of Raspbian (X11 desktop) to the newest one I...
View ArticleGeneral discussion • my raspberry pi 3b can't read sd-cards
I just got a old raspberry pi from my family and wanted to start so i inserted my sd-card but the led stayed on red so it couldn't read it i wanted to know if there was anyone who knew how to fix...
View ArticleTroubleshooting • Bullseye -> Bookworm but still kernel 6.1.21+ #1642
HelloI did an upgrade following https://gist.github.com/jauderho/6b7d42 ... c0ba521bd8but still kernel didn't update tho I haveCode: $ dpkg -l | grep linux-imageii linux-image-6.6.31+rpt-rpi-v6...
View ArticleTroubleshooting • Raspberry pi 4B parts
Hey! So I have a pi 4B with a few missing parts. Can someone send a list of all the part numbers along with high res pictures? I went to a repair shop and the guy there needed those and I can't seem...
View ArticleBeginners • 144 hz Or 60 hz, Does it effect RPI5 Performance?
My monitor supports 144 hz, should i select 144 hz Or 60 hz, Does it effect RPI5 Performance at all?Thanks.Statistics: Posted by vvti9 — Sun Jul 28, 2024 1:36 pm — Replies 0 — Views 25
View ArticleGeneral discussion • What Else could Pi5 Hailou AI Kit be used for?
Could i do something with chess game analyze, or, could i throw my pi5 my photo albums and get it handle with face grouping, or getting tagged what photos that have for.Thanks.Statistics: Posted by...
View ArticleTroubleshooting • Powerbutton on Pi5 not powering up
Hello, i wanted to install an external Powerbutton at my Raspberry PI 5, but it is not working properly. What i did:I connected a button between pin 5 and pin 6. Added following command to the...
View ArticleTroubleshooting • Use Raspberry Pi 4B+ as HID device (usb/bluetooth)
Hello, I have recently been trying to get my Pi to act as a HID deviceI have tried connecting it via bluetooth using L2CAP (didn't work, bluez and dbus kept complaining)I have tried connecting it via...
View ArticleClik here to view.
Networking and servers • My First Home Server
Hi all,i've received now my first Raspberry Pi 5 8GB to create my first Home Server.This is my first time to use Raspberry Pi so I'm sorry if my said will elementary but i need to learn so much from...
View ArticleCamera board • Cropping camera input and memory usage
When cropping / zooming an ROI, does this reduce the number of memory writes?When the raw image is sent over the CSI lanes, is it dumped to RAM before the GPU processes it? If cropping is performed,...
View ArticleClik here to view.
Français • Problème boot aléatoire ssd pi4
Salut à tous, je viens de ressortir mon pi 4 avec le boîtier nespi 4 pour y mettre retropie, mais il a énormément de mal à démarrer sur le ssd, j'ai pensé au début à un problème d'installation donc...
View ArticleTroubleshooting • pi zero 2 w hdmi power out for a 0.23 Inch Display ?
i am looking to make a ir glass with this https://vi.aliexpress.com/item/10050068 ... pt=glo2vnm sorry for the long link it is a small Display and only has hdmi for the power in yes there is a AV one...
View ArticleClik here to view.
Other RP2040 boards • Custom RP2040 Board Not Detected
Hi all,I designed this custom RP2040 board, sticking pretty closely to the published “minimal design example”. I used the same models of crystal, flash chip, and voltage regulator. I have attached...
View ArticleBeginners • What's the best 1TB SSD in terms of Value to every dollar i Spend?
My usecase is memory intensive, and value doesn't mean slow here as well?Statistics: Posted by jenyh — Mon Jul 29, 2024 12:21 pm — Replies 3 — Views 33
View ArticleTroubleshooting • raspbian buster - usb device not recognized
Hi,I have a RPI B connected to a UPS and I am using NUTS. Works fine.This is a RPI B+ rev1.3 with a Bullseye and kernel 6.1.21I also have another RPI B (rev.1.2) running a Buster with kernel 5.10.63It...
View ArticleBeginners • Measuring voltage on GPIO to detect blackout
Hi I have raspberry pi 4 and I use it for home automation Raspberry pi power supply connected to power bank via Type-CI need to definitely detect blackoutCan I use GPIO pins (2 and 4) to measure input...
View ArticleC/C++ • boost program options c++ question
Why is the any_string literal needed on the below code?Code: options_.add_options()("help,h", value<bool>(&help)->default_value(false)->implicit_value(true), "Print this help...
View ArticleTroubleshooting • Systemd services crashes with error: "Main process...
Hello,I have a custom made application built in net6.0 that I run on my Raspberry Pi Compute Module 4S Rev 1.0 controllers with Raspbian GNU/Linux 10 (buster) using systemd.Every now and then, the...
View ArticleCompute Module • I2C problem at 85°C / Clock-stretching
Hello,I am observing a problem with I2C. When the CPU temperature is increased to about 85°C the CPU starts to clock down. Only at these times I have I2C problems. The problems are manifested by the...
View Article