Automation, 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 ArticlePython • Video feed not connecting / refreshing to WiFi Mesh
Hello, for context, I'm doing a project on an Air Duct Inspection robot, and right now im working on streaming a HD video to browser. We're using a WiFi Mesh and we put the routers and different...
View ArticleClik here to view.
Other RP2040 boards • PICO 2 RP2350 clone
When you browse the Aliexpress you can find many offers like this:https://pl.aliexpress.com/item/10050079 ... ry_from%3AThey miss RPi logo, they are expensive. Can you spot the difference between them...
View ArticleRaspberry Pi OS • [Pi 4]smaller size than "Raspberry Pi OS Lite"
Hi,I have a project which doesn't require much requirements from OS. I use Pi_4 and do everything from command line (some text editing, run services, run my AI applications on python, configure WIFI,...
View ArticleAdvanced users • RaspiOS 12 (aarch64) with KMSDRM, tool for taking screenshot?
I am running Debian GNU/Linux 12 (RaspiOS Lite) with Kernel 6.6.51+rpt-rpi-2712 aarch64.On older installations raspi2png was a good companion to retrieve screenshots from the actual display.This now...
View ArticleClik here to view.
Assistive technology and accessibility • Small RFID 125KHZ (RDM6300)...
Hello Everyone, I have you are well. I have a small office, and I wanted to create a small RFID based attendance system and Access Control for my staff. I am sharing the code below, everything is...
View ArticleClik here to view.
Gaming • 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...
View ArticleGeneral discussion • Replace PCB or replace stepper motor driver
Hello,I have my Form 2 for about 2 years, no longer under warranty, and suddenly the printer broke. The Z axis stopped when starting a print job and smoke came out of the right side of the printer. I...
View ArticleSDK • Using printf with TinyUSB HID: Is It Possible?
Hello,I'm new to using the SDK and recently tried the "Hello World" example with USB (pico-examples\hello_world\usb), which worked fine.Next, I wanted to send keyboard commands from the Raspberry Pi,...
View ArticleAndroid • Android is not opening!
Hello. I downloaded Konstakang's android 9 for rpi 4 and burned it to my micro sd card. I have the original 7" screen on the raspberry pi but the image never comes. Even the rainbow screen does not...
View ArticleBeginners • 2 Screens on Raspberry Pi
Hello. I have 2 screens for my rpi. One is a waveshare 3.5" gpio screen and the other is my original 7" screen. I was wondering if I plug them both in at the same time will I get an image on both? And...
View ArticleTroubleshooting • Bluetooth powers off after 6 hours
Hello,I use a Pi4B with a python software that lsitens to my bluetooth headset and sends sound information when required. this shall work over a very long time.It actually works for about 6 hours, but...
View ArticleTroubleshooting • Alternatives to WayVNC because of poor Unicode support -...
I often have to cut and paste non-ASCII Unicode text (specifically, Devnagari, the script used by many Indian languages) into and from my Raspberry Pi 5. I'm using wayvnc and connecting to it with...
View ArticleClik here to view.
Interfacing (DSI, CSI, I2C, etc.) • CM4: DSI1 init. commands rarely fail
Hi everyoneI am having issues with CM4 when sending commands via DSI1 to a ST7703 controlled LCD (3,5" 640x480).In 80% of the cases the LCD is initialized properly and works for days without any...
View ArticleGeneral • How much OTP is there on an RP235X ?
From the RP235X datasheet -RP2350 provides 8 kB of one-time programmable storage (OTP)OTP is physically an array of 4096 rows of 24 bits each.That doesn't tally: 4096 x 24 bits = 12 KBIf 8 kB were...
View ArticleGeneral discussion • 90 degree rotation video not supported?
I'm just now unpackagin my Raspberry Pi 4 and decided to pick up a Camera Module 3. My simple goal here is to live stream a video. The problem is that, while I can stream videos, the video need to be...
View ArticleTroubleshooting • Pi5 hanging when transfering large files to NAS
On a headless Pi5(Bookworm64) with NVME drive and a NAS directory mounted on the Pi5 if I attempt to transfer a large file >6GB from the NVME drive to the NAS directory the system hangs. What...
View Article