General 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 ArticleTroubleshooting • All Authentic RPi 4b Components, Infinite Reboot
I have a brand new RPi4b with the official power supply and official 7" touch screen. The system will not boot any version of Linux that uses X. Whenever X starts up the computer reboots with a black...
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...
View ArticleTroubleshooting • 64MP_Autofocus is not detecting.
Hello,I am using raspberry pi 5 with the the bookworm OS of 64 bit and I have also tried 32 bit.I have followed this to install drivers:https://docs.arducam.com/Raspberry-Pi-C ... mp-camerasYesterday...
View ArticleBeginners • 5V power supply for the RPI5 via 40pin header possible?
Hello forum,I have a general question regarding the 40pin header, which, among other things, provides the GPIOs of the RPi5.Can the RPi be fully supplied via this pin header via the two available 5V...
View ArticleGeneral programming discussion • Object detection
Hi, I am a complete beginner with a Raspberry Pi 4 Model B. So I basically have a OV5647 camera and need it to light up an LED light when it detects items like plastics. I have gone through many...
View ArticleBeginners • STICKY: beginners tips
If you have posted and you can't find your post back in the section where you have posted it, use the "hamburger" menu top left, to find your post back, at a location a moderator might have moved it...
View ArticleTroubleshooting • Pi4 with official display and bookworm (64bit) wayland...
Having done a brief search, I discovered I am not the only one with problems with the official display with Wayland.viewtopic.php?t=367495I have done a fresh install of the 64 bt desktop, which is a...
View ArticleGeneral discussion • Sending data from ESP32 to Raspberry Pi4 WITHOUT MQTT
Hi guys, right now I have a few ESP32's exchanging data via ESP-NOW, the data all accumulates at the "master " ESP32, and this data needs to be sent to my Raspi. (Data in question are sensor...
View ArticleStaffroom, classroom and projects • Using a Pi to complete Web-based forms,...
Hi,As the title says I want to set up a Pi, for my learners to complete web-based forms, but am not sure which model would be best. The one thing that makes this slightly more complicated is that I...
View ArticleTroubleshooting • cp210x issue with GPS
Hello,I have strange issue using RYP8838 GPS module (miniPCI-E) on PC similar to RPi. It works randomly when running PC's power. For example I turn PC on, it is assigned by Linux to Code: /dev/ttyUSB2...
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Troubleshooting • Cant Boot
I used my Raspberry Pi 3b+ for several months now. It mostly ran an file system and Pihole so i didnt touch it much. Today i wanted to make some changes to the pihole configuration when i noticed i...
View ArticleTroubleshooting • RP 5 wont boot
Hi!I've bought RP 5 recently. Everything worked fine but then it stops to boot. It starts with red button for a second then 2-3 seconds green light and then solid red. I've used original power...
View ArticleTroubleshooting • Wayland won't auto-start after bootloader update
I've a RPi 5 with latest Bookworm64Due to some trouble with RTC I updated the bootloader to latest version, now it is:2024/04/20 11:53:30version d1744d218076d7eee7c14763bbf3d3cf6278191a...
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