Questions tagged [pi-4]
For questions that apply specifically to the Raspberry Pi 4 and not other/all models.
2,118
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On-screen keyboard popup on chromium text field input
I am running a web app on my pi using streamlit. I want my pi to operate as a standalone system so I have it connected to a touchscreen and I have a systemd script to autostart my streamlit app and ...
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23
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Problems with logging into CrowPi2 Laptop (possible raspberry pi error)
Whenever booting up my crowpi2 laptop, i am faced with a shutdown/login screen. When I type the correct password in, it simply returns to that same screen.
I am not sure if it is my raspberry pi or my ...
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26
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PI 4B stopped working after I possibly shorted 5V from USB PSU to USB ground casing. Any fixes?
I had the Adafruit RGB Matrix Bonnet using the GPIO pins on my Raspberry Pi 4B connecting to a 64x64 LED matrix. Everything was working well.
Then I decided to try and add a little fan from an old PI ...
- 101
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23
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Rotary Encoder HAT for RPi4
I want to read at leat 4 Rotary quadrature Encoder outsourced in an external chip. The Rpi4 should not be included in the counting process.
In the past there was the encoder HAT from Robogaia for 90€. ...
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Assistance Needed for Using Huawei E3372-325 USB 4G Dongle on Raspberry Pi
I need assistance with using a Huawei E3372-325 USB 4G Dongle on my Raspberry Pi device. Currently, the dongle is detected as a CDROM, and I am having difficulty switching it to modem mode to use it ...
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18
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Raspberry pi 4 and ev3
I'm working on a project, I want to use computer vision on the Raspberry Pi 4 to identify objects and then send the information to the ev3. For this communication, I want to know if there is any way ...
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Document history?
I'm new here, and looking for where can I find some older version of the official document on raspberrypi.com, or where to get the document history?
Specifically, for this document, at around May of ...
- 113
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32
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Not able to boot Raspberry pi4 compute module via USB
I want to boot Raspberry PI 4 compute module. I am following documentation to setup Raspberry PI 4 with a Raspberry PI 64bit OS:
https://www.raspberrypi.com/documentation/computers/compute-module.html#...
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chromium-browser won't open automatically in kiosk mode on logging in
I've read up on this with a couple of different options, and none of them seem to work.
Here is what I want: I have a raspberry pi hooked up to a TV. It auto-logs in to the desktop (user classic). ...
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23
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.bat file configuration for raspberry pi 4B Qemu for raspian os 64bit bookworm (latest qemu emulation)
i want the content of run.bat file required for running latest raspian os 64bit bookworm (raspberry Pi 4B) on qemu(aarch64) on windows 11. I had seen earlier version but they are no help as thery ...
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I need help with Pi4 (cannot execute binary file: Exec format error)
i want to create my own Valheim server and i followed a tutorial for this on that website:
https://singleboardbytes.com/2058/set-up-a-valheim-dedicated-server-on-the-raspberry-pi.htm
im using the Pi4 ...
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answer
54
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Why are my motors not working with my Raspberry Pi?
I'm trying to follow this tutorial on how to build a buggy with a Raspberry Pi. I'm using all the same parts except for the Pi and the battery. I am using a Raspberry Pi 4B and an 8.4v battery from ...
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1
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45
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Cannot SSH to Pi4B from Mac
Mac: MacBook Air M1 chip running Sonoma 14.5
Pi4B: flashed SD card with SSH enabled, no WiFi network loaded (just want to focus on Ethernet connection)
Connection: Pi >> Ethernet cable >> ...
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-1
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71
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Raspberry Pi 4B and Ubuntu 22.04 GPIO
I am running Ubuntu 22.04LTS in order to use ROS-humble on my RPi, however I am running into some issues. How do I configure the GPIO pins and also is there some things that I should note. I plan on ...
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Motion starts but won't stay up as a service
I have a DSLR which I plug in USB to get a video stream using gphoto2 piped with ffmpeg. This works and my stream gets in /dev/video0.
All that on a Pi 4
I want to use motion to stream that to port ...
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