General discussion • qemu buildroot image for rpi4: serial console login and...
Hi All,I wanted to build a very minimal embedded linux image consisting of only busybox , bash , less, nano and vim.Enabled serial console option in boot/config.txt . Used buildroot to build a aarch64...
View ArticleTroubleshooting • Raspberry Pi Model 3B flashing green light
Hello, I am having issues with my Raspberry Pi Model B. When I power up the device, the red light doesn't flash at all, but the green light flashes once, does like 3 mini flashes (like it's spazzing...
View ArticleMicroPython • ov2640/ov5640 camera libraries for micropython
Is there any library to use an ov2640/ov5640 on the Rpi pico w/MicroPython?I got this camera https://www.adafruit.com/product/5673 but then I realized that the site only provides drivers for...
View ArticleBeginners • Raspberry Pico, MAX7819, Micropython based Spectrum Visualizer
Hello! I'm trying to build a spectrum visualizer for frequencies ranging 20-20000 Hz. I'm aware commercial products exist, but I'm doing it for the learning experience.Each column of the MAX7819...
View ArticleGraphics, sound and multimedia • Audio for events
Hi there!I’m looking for advise on best software to use for a device I want to build using a raspberry pi.I work in corporate events and am looking for the ability to play background music ( ie...
View ArticleGeneral discussion • Beacon following Robot
Hello, I am trying to make a robot that can actively follow a beacon up to about 10 meters away with obstacles in place. I am having difficulty identifying a method for the robot locating both the...
View ArticleRaspberry Pi OS • Problem with Raspberry Pi Os
Hello, Whenever I install RaspAP on my Pi 4b, I can only enter a sort of terminal. No interface, no VNC. Is that normal and if yes are there any workarounds to have both?Statistics: Posted by...
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General discussion • Raspberry Pi PICO w getting stuck
Hi.. ThereRecently we had an issue, where the RPI Pico got stuckHowever, this time we closely trace the debug logs into the teraterm serial terminalIn our code, we are using the Arduino littlefs...
View ArticleBeginners • Public nas (ssh)
Hi guys i need help with public nas (ssh) .I have at home running pi nas but only local .I need something lile vpn from rpi or like pitunel and i need to add it into windovs filemanaber and samsung...
View ArticleHATs and other add-ons • Can this GPS module work with active antenna ?
Greetings,Recently I bought "USB - GPS Converter L80-M39". Because i will use it indoor / covered, I need GPS antenna also.. I bought Mikrotik ACGPSA, but cant tell if it actualy works. The antenna is...
View ArticleTroubleshooting • fresh install bullseye on pi3, disable-bt causes sysrq; HELP
fresh install and apt upgradeconfig.txtdtoverlay=disable-bt causes :kernel: sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i)...
View ArticleGeneral discussion • Raspberry Pi 5 GPIO busy
Hi everyone, I just got a raspberry pi 5 and what I noticed right away was how to use the GPIO. With RPI4 it's a lot easier, and with this one I've had a lot of problems. The GPIO control library is...
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Beginners • Cannot detect i2c address from Pi Pico w
Hello, I am just getting into using i2c communication (specifically with magnetometer MLX90393) and I cannot get the pico to even recognise the slave address. My code is as follows:Code: int main() {...
View ArticleTroubleshooting • Unable to adjust screen resolution on composite video Pi 4 B.
Pretty new user here I’m trying to get a raspberry pi 4 running with either Raspberry Pi OS, Ubuntu, or Fedora and using the Pi 4B composite video out. My hope is to run a pi with a more general OS...
View ArticleTroubleshooting • Do I have to rewrite my opencv python code for bookworm?
I installed bookworm on a pi 4 8gb. Libcamera stuff works, so does PiCamera2. I am trying to get all of my opencv programs running. A simple camera snippet won't work.Code: import numpy as npimport...
View ArticleAdvanced users • Rpi routerless LAN network with static IP or dnsmasq?
Hello, my rpi5 desktop 64-bit has no router and receives Internet from the phone hotspot.I've connected a Wi-Fi AP (UAP-AC-LIte) via Ethernet to the rpi5 RJ45 port.The Wi-Fi AP will be used for WLAN...
View ArticleTroubleshooting • ppp between a rasp pi zero and esp32
Good Day I am tossing this out there for some suggestions. I am trying to see if I could get a PPP session between a rasp pi zero and esp32 that are hooked up via their UARTs with dupont wires. Thus...
View ArticleGeneral • Pico W -> RFM69 + MQTT + Home Assistant = Automatic Awning Control
Friends, I just completed my first Pico-W project. This was a bunch of fun and I'm really glad I tried out this hobby!BackgroundI have an awning in the back that we mostly open during the summer to...
View ArticleAdvanced users • Systemd .service configuration for failure remediation
Hi,what I would like to achieve:-autostart a simple service at boot time called a.service-when a.service fails to start (e.g. due to misconfiguration of RASPI or customer software) then another script...
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Python • Raspberry PI5 + Python + VTK
I'm not able to find a VTK Python package for Raspberry Pi 5 (Python 3.11.2).How to install it ?There is some pre-made package and instructions to install it ?PS:I've tried to make VTK from the vtk...
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