Automation, sensing and robotics • Re: Can't measure resistors
Use the same equation even when the voltage is reversed (assuming the circuit is not physically altered), don't reverse the measurement calculation because the supply has been reversed, that is...
View ArticleDevice Tree • Re: Basic guidance needed to inform Linux kernel of hardware...
This? https://embetronicx.com/tutorials/linux ... pberry-pi/Statistics: Posted by pidd — Tue May 07, 2024 6:03 am
View ArticleMicroPython • Raspberry PI Pico W UART-UART problem
Hardware one Raspberry PI Pico W - PIN 1 connected to another Raspberry PI Pico W - PIN 2.I try to send some data from one Pico to another using UART. The receiver gets None before anything sent. It...
View ArticleBeginners • Re: NodeMCU 8266 wireless communication with Raspberry pi 4b+
I have a project where I have a central Raspberry Pi 4b+ which then communicated to ~10 'pucks' with NodeMCU ESP8266 on the exterior. You can think of them as reaction trainers with just LED's and IR...
View ArticleRaspberry Pi OS • Re: Disconnect, Reboot, Shutdown from Desktop by command
If shutdown is used from desktop I find it doesn't shutdown very cleanly, eg chromium isn't shutdown cleanly. This is concerning as I also use it for Thunderbird and don't want to corrupt my emails....
View ArticleClik here to view.
Interfacing (DSI, CSI, I2C, etc.) • ATSHA204 Wake up problem
I am trying to wakeup ATSHA20a crypto IC, connecting on I2C bus (custom CM4 board). I use atmel-sha204a module with some modCode: --- drivers/crypto/atmel-i2c.c | 14 +++++++++++--- 1 file changed, 11...
View ArticleGraphics, sound and multimedia • Re: omxplayer replacement with vlc
cvlc is not good for embedded use. Use mpv instead.In pipresents-gtk I use python3-mpv with Trin94's GL rendering module. It works well for windowing but mpv does not seem to have the same GPU...
View ArticleNetworking and servers • Re: ssh: connect to host 10.0.0.234 port 22: Host is...
Thanks for the help.I have checked and both user and root crontab have the line - (since it was suggested)* * * * * ping -c2 192.168.1.1but I have now (today) changed it to full path of ping just to...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Connecting Waveshare Display(s)
hey i have the same issue on rpi5 too, did u find a fix and if so please let me know, i had it running once before but i reset my sd card and cant get it to work now for some reason, thank youThis...
View ArticleClik here to view.
Troubleshooting • Re: ILI9341 SPI display with SPI5
You need some more practice in writing overlays My overlay relies on mipi-dpi-spi driver --> for any details on how to generate the required binary file you can leverage my posts related to SPI...
View ArticleClik here to view.
Official Display • Re: Rotate display 180 on bookworm lite (not rotating...
No need to read to various posts as this is well documented here https://www.raspberrypi.com/documentati ... d-rotation -> https://www.raspberrypi.com/documentati ... mmand-lineWhich is an...
View ArticleItaliano • Re: raspberry pi4 B, componenti danneggiati
Ciao, ho provato ad accenderlo comunque immaginando potesse solo essere ( come dicevi tu ) solo la segnalazione dell'accensione ma purtroppo non si avvia, come ti dicevo ho octoprint all'interno a cui...
View ArticleC/C++ • Re: Example of GPIO use with Linux only (no third party libraries)
Wrt GPIO, the primary customer for the kernel is companies developing embedded systems, not the hoard of Pi users.Ironically I would consider Pi users' ventures into GPIO control to be the epitome of...
View ArticleTroubleshooting • Re: Network-Manager simply will not work
I am trying to make this pi into an access point to take a Wi-Fi connection and share it to ethernet.An Access Point does not do that. Please clarify what you are trying to do.Statistics: Posted by...
View ArticleBeginners • Re: Picamera2 & Opencv for ArUco detection
Check with a small testing code for openCV. See if all openCV create problem or only this particular piece of code.Statistics: Posted by barshatriplee — Wed May 08, 2024 7:34 am
View ArticleRaspberry Pi Connect • Re: Just tried to install but failed with X11
I think switching back to wayland will be wise.Statistics: Posted by barshatriplee — Wed May 08, 2024 7:40 am
View ArticleTroubleshooting • Re: Help Needed: rpi-connect Service Fails to Start on...
- System Environment: The Raspberry Pi is running Debian.- Session Type: `$XDG_SESSION_TYPE` returns `tty`, which suggests that I am not in a Wayland session.- Wayland Socket: Trying to locate the...
View ArticleClik here to view.
General discussion • raspberry pi4 B demaged
HiDuring install my raspberry pi4 B in my enclosure for 3d printer the board falling down and now don't working with the demage in attached pic.Somebody know which components are...
View ArticleTroubleshooting • SD card actual clock no longer 100000000 Hz after RPi OS...
I have several Raspberry Pi 2 Model B and Raspberry Pi 3 Model B devices running the Raspberry Pi OS Debian 11 (bullseye) 32-bit OS.In the "/boot/config.txt" configuration file, I have the lineCode:...
View ArticleTroubleshooting • Re: Raspberry Pi not responding
Which model PI?Which OS?What is it doing, part from Wireguard and Pihole?I have a Raspberry Pi 4 Model B Rev 1.2 running Bookworm (aarch64)I am running a few different things, Home Assistant, Samba...
View Article