Troubleshooting • Raspberry PI 3 can't rotate the screen
Hi, I recently installed the latest os (raspbian 12, armv7l) on my rpi 3. I also have one of the old 7 inches touchscreens.Out of the box everything is upside down, I changed the screen orientation...
View ArticleTroubleshooting • Raspberry Pi Connect not working
Okay so I was able to turn Raspberry Pi connect on and sign in. It's added to my devices list under my account and everything. However, I do not see a button next to it that says "Connect VIA." I've...
View ArticleBeginners • Changing/adding QT code to make windows fit screen?
I built a book scanner, following the instructions by a Japanese maker (https://note.com/fynote1009), and I installed their SimpleBookCapture program...
View ArticleAutomation, sensing and robotics • Relays for ethernet connections
Is there any way of using something like a relay to physically connect and disconnect an ethernet cable from a Pi to another piece of computer equipment, programmatically and very frequently - every...
View ArticleBeginners • Running a program at startup
I followed the instructions in the sticky, latest Raspberry Pi OS, ...pi@raspberrypi:~ $ ps -ef | grep LXpi 1016 1 0 03:34 ? 00:00:00 /bin/sh /usr/bin/lwrespawn /usr/bin/pcmanfm --desktop --profile...
View ArticleTroubleshooting • xdg-open warning messages
I would like to suppress the warning messages I am getting when using xdg-open to open a jpg file taken with a raspberry pi 3 and a raspberry pi noir camera version 2.1.Any assistance would be greatly...
View ArticleSDK • RP2040 and PWM
Just wanted to be confirm what I think I read about the RP2040 and PWM.1) It will interrupt when TOP is reached, or when executing in Phase Correct mode when the counter reaches zero on the downcount....
View ArticleTroubleshooting • Ping from Raspberry to Router hangs sporadically
Hey everyone,i have installed Raspberry Pi OS 64-Bit Lite (headless) on a Raspberry Pi4 and problems with pinging my router from there. The ping-messages are hanging sporadically for like 2 to 6...
View ArticleTroubleshooting • window manager broken
hellohavent do anything special, but after reboot, my RaspbianOS boot into LXDE and with two possible users, previously was auto login with pi, now there is as well glance, dont know where it came...
View ArticleMicroPython • Reading OTP on the RP235X
Might be useful to anyone interested in exploring OTP on the RP235X.Code: from machine import mem32def OTP(row) : return mem32[0x40134000 + row * 4]def ECC(row) : return OTP(row) >> 16def...
View ArticleAdvanced users • PCI SATA Adapter working on CM4 but not in Pi5
HelloI have an M.2 PCI SATA Adapter (ASMedia Technology Inc. ASM1166 Serial ATA Controller (rev 02)).It works mostly fine on CM4. Sometimes the CM4 doesn't boot, then a Power Reset is needed to get it...
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Troubleshooting • Pi4 damaged PCB help
Hi,Just wiped out one element from PCB. 3-legs component between hdmi ports. IT is probably a stabiliser or a transistor. Two right contacts are reachable on PCB. Left one is damaged.What is this...
View ArticleGeneral discussion • Raspberry Pi 5 overheating
I installed Lakka OS on my new Raspberry Pi 5, however the raspberry overheating and freeze, my question is why? And why Raspberry Pi don't have a protection to shutdown the system on high...
View ArticleGeneral discussion • MQTT explorer (or alternative) for Raspberry Pi OS?
Hi, Newbie here. If I should post this in software section please let me know.I am starting a MQTT project and I have installed Mosquitto MQTT broker on my Rpi4. I see all the online broker has...
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General discussion • A project for learning English while playing games
Hi,I'v open-sourced a project based on raspberry pi 5, and it helps people learn English by playing video games.I tested it in Chinese and it should also work for any other language by modifying 3...
View ArticleSDK • /pico/stdlib.h not found
Hi,I have been playing around with the spi_master example, making some modifications (as one does). I have created a couple of custom functions, which work fine when in the spi_master.c file (main). I...
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Other RP2040 boards • RP2040 USB issues
Hello, I attempted to create a custom board with an RP2040, but I’m having difficulties with the USB connection. There seems to be activity on the USB lines (as seen in the photo) when the cable is...
View ArticleRaspberry Pi OS • touchscreen keyboard no "@" symbol
I just installed 64bit raspberry pi os onto a pi4 with the new touchscreen 2.on screen keyboard pops up, and generally works fine exceptpressing the '@' key does nothing.It just blinksUS english, LA...
View ArticleBeginners • Start loopback module automatically
Raspberry Pi 4 64GB DebianI need to have the loopback module automatically start when the pi boots up. I can run the command "pactl load-module module-loopback" manually from the command line but...
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Beginners • Hardware for Auto Telemetry
Hello, my last work with pi's was ~2018-19 so I saw myself to the beginner section I have a mechanical background, had my circuits/coding knowledge is spotty at best, but wanted to learn since all the...
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