HATs and other add-ons • Opto couplers / ac monitoring
Hi folks, new here.Wondering if anyone had used these or similar for 230v AC monitoring?PCB Opto Isolator Board 3 Channel Optocoupler Isolation Module Photoelectric Isolated Module 220V AC...
View ArticleRaspberry Pi OS • Yocto and raspberry official build/image/distro
Hello, everyone,I was asking myself some questions and would like to discuss them with you.1) How is the official raspberry build created? Is this information and theory about the build process in the...
View ArticleTroubleshooting • Heat During Shutdown
Hi,My raspberry pi 5 is still warm even after shutting it down. I am not sure whether this is normal or not but there doesn't seem to be relevant cases. If anyone could help, that would be great. I...
View ArticleRaspberry Pi OS • RaspberryPi 4 on 32bitOS returns incorrect information
When running RaspberryPi 4 on 32bitOS, "uname -m" command returns incorrect information. That is, it returns "aarch64" instead of "armv7l". This does not happen with RaspberryPi 3.Statistics: Posted...
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Troubleshooting • rpi4 - bookwork - display - camera module correct setup
Hi there,i hope i created it in the right category cause this is not only related to camera, touchscreen or so but of a combination of everything.i have the following setup:RPI47" TouchscreenCamera...
View ArticleTroubleshooting • Pi5 will not connect to wifi
Hello everyone!I’ve search this forum, and other sites as well, for a solution to my problem. Unfortunately, I’ve come up with no solution. Also, I’m a novice when it comes to these devices so please...
View ArticleGeneral discussion • Pi 5 + NVMe SSD as server?
Hi all!I am very new to the Pi experience, got myself a used Pi 3 a few months which I currently run RetroPie on which has been fun. The Linux experience is a big plus. I have had several different...
View ArticleBeginners • Runing RPI 5 with external adapter
Hello everyone, I have another adapter that I use to charge my Steam deck, so my question is: is it possible to power the RPi 5 without needing the official adapter?Adapter specificationsPD3.0 Type C...
View ArticleGeneral • Execute from SRAM
Hello. I am attempting to make a third stage bootloader that will execute out of SRAM5. The boot process would be: bootrom, as it always does, loads the 252 bytes from QSPI Flash (addr 0x0 -> 0xfb)...
View ArticleTroubleshooting • kernel: raspberrypi-firmware soc:firmware: Request...
I find this error in my journal logs and wonder what is causing this error? Sometimes it causes my screens to lock out via the kworker. I still lack the skills to diagnose this issue and remedy it...
View ArticleRaspberry Pi OS • HW accelerated 1080p video on 4k Desktop
Is there any way to get Bookworm to play a 1080p 30/24fps video (i can convert to any format needed that works) on a 4k tv? (3840x2160), using the desktop resolution on 4k as well?I need to play video...
View ArticleGeneral discussion • OverlayFS - sync without reboot
Greetings.Currently I am running a slightly adjusted version of the ofs scripts so they are compatible with bookworm. The original was provided by RonR here: viewtopic.php?t=288863#p1746371 In that...
View ArticleGeneral discussion • CAN MCP2515 and rpi Zero data read issue
I am using the Raspberry pi zero and MCP2515 can interface. I have a device that sends the data over querry. But i am unable to receive any data from it.I have connected the Spi and the interrupt on...
View ArticleOfficial Display • Rotating with the official 7" Touch Screen Display 90...
Hi allI have an official 7" touch display connected to a raspberry pi 3B (not +) that I want to use as a small infoscreen at home. As it turns out, the best would be a vertical mount of this (I'll 3d...
View ArticleTroubleshooting • Help with telnetd
HiJust spend the morning trying to get a telnet server installed.SSH is working fine on port 22. I have a use case on an internal network for a client that is not SSH capable to connect, so would like...
View ArticleNetworking and servers • Raspberry Pi blocking access to its ports
I have a raspberry pi 3 and I can ssh in with no problems.If I run "nmap <rpi address>" it comes back with "Host seems down."If I run "sudo ss -ltn" on the Rpi I get:State Recv-Q Send-Q Local...
View ArticleOfficial Display • Official 7" Touch Screen calibration?
Hi allI have an official 7" touch screen connected up with a raspberry pi 3B (not +). While this works (ish), if I touch the center of the display, the cursor happily shows up at the center of the y...
View ArticleGeneral discussion • Regarding #Windows forms app using MOno
Hello guys,I am trying to set up a Windows form application on my Rpi 4. It worked and started the app on Rpi but there is UI compatibility as some text boxes are missing. Is there any way I can...
View ArticleGeneral • Clarification on multiple pin operations
I'm having trouble concentrating, so I'm looking for a little confirmation on how set and in work with multiple pins. I've re-read the relevant chapters from the SDK and the RP2040 datasheet, but I am...
View ArticleCamera board • Camera module v3 + Pi Zero => Webcam
Hi there,I bought a camera module 3 shortly after its release only to find out that it can't be used with RPi-Cam-Web-Interface. It's still just collecting dust so I thought of alternative...
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