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...
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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 31
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 • raspap - no ssid signal to connect with devices
Hi everyoneI'm trying to get RaspAP to work on an old Raspberry Pi Model B Rev 2 with a TP-LINK tl-wn722n version 1 wifi dongle (atheros AR9271) in AP mode so as to have a second network at home where...
View ArticleBeginners • How to build a reliable fast RPi 5 system
Any casing kit that can do for RPi 5:1. use PCi and 'memory module'. This is better than USB3 palm-sized SSD, right???? From web, some look long stick and some more square shape. Which is (first)...
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 44
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 ArticleGraphics, sound and multimedia • Multichannel 7.1 audio over HDMI
Hi,I am trying to get 7.1 multichannel audio through HDMI with no luck. I am using a Pi4 with bookworm.Is there any special config in ALSA or PULSE that I need to implement?What I've noticed is that...
View ArticleTroubleshooting • Boot failure on new RPi 3B+ R9 Rev 1.4 using Stretch OS image
Hi,We are having the exact same issue as in this thread: viewtopic.php?t=349340 The new revision of RPi 3B+ R9 Rev 1.4 does not boot and the LED flashes with Error code 4 long + 7 short (Power...
View ArticleTroubleshooting • USB audio interface noise 20dB louder when connected to Pi4
I've got a USB audio interface (Hotone Jogg) connected to a Raspberry Pi 4 and it has significantly more input noise than when it is connected to my Windows PC.Recording input from both sources shows...
View ArticleAdvanced users • Restoring OS on an M.2 Card
Hi,I have Pi 4 in an Argon One M.2 case with an SSD card installed.When I originally set this up I installed PINN so that I could have multiple boot options.I now have a Pi 5 as my main Pi but would...
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Raspberry Pi OS • DSI Display Desktop vanished
I'm having an issue with my DSI set-up on my PI 4 Debian Bullseye. Everything was running fine, I was trying to add an option for HDMI mirroring in xrandr and saw a suggestion to add it manually that...
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Beginners • Can't Get Into Home Page and No Chrome Search Bar
Help, please.We haven't used the Raspberry Pi 400 for a while, and now the Raspberry isn't progressing from what can be seen in the attached photo.All the wires and the SD card are in the correct...
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