Newest Questions
37,665 questions
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No image output on a detected HDMI display
I have a some old F100 Neewer 7" display; "Signal input: 1080p/1080i/720p/480p/480i"
New versions have different key shapes.
I'm trying to get image output connecting it to a RPi 4B+ ...
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lxsession run log repeated error "dhcpcd_open: No such file or directory"
Running open source video synth project on RPi 3B and the lxsession log file /home/pi/.cache/lxsession/LXDE-pi/run.log shows the same error line printed almost once a second and is getting huge. Need ...
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Raspberry Pi cam: Could not open any dmaHeap device [duplicate]
Could not open any dmaHeap device
[0:23:15.636894785] [1879] INFO Camera camera_manager.cpp:327 libcamera v0.4.0+53-29156679
[0:23:15.669107090] [1882] ERROR DmaBufAllocator dma_buf_allocator.cpp:119 ...
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42
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Bluetooth LE: “Unsupported Remote Feature (0x1a)” error when connecting nRF52840 central to Raspberry Pi Zero 2W peripheral
I’m working on a BLE setup where:
A Nordic nRF52840-DK runs as the Central (it scans for devices with a specific name, then initiates a connection).
A Raspberry Pi Zero 2W (64-bit Raspberry Pi OS) ...
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-1
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1
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can't boot into Desktop Environment (GUI)
hello so i was stopping services to save up ram on my raspberry pi 3b to install dlib, for that i did disable lightdm and through raspi-config i disabled splash screen and booted into console (i used ...
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30
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Can't bind to AP interface in python when using create_ap
I've written a simple python server for an IoT electronics school project. A "raspberry pi 3 model B rev 1.2" acts as the local station/server. I'm looking to create an AP which esp32's ...
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Raspberry Pi 5: keyboard layout problem
Brand new RPi 5 with the latest Raspberry Pi OS (64-bit). BTW, weird OS, I'll change that as soon as I can.
I'm new to the Raspberry, not much experience with it.
I have a weird keyboard issue :
For ...
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3.5 inch Waveshare touchscreen is black
I bought this display: https://www.amazon.ca/dp/B0DNQJD7BV
I have hooked it up to the GPIO pins on my Pi according to these guides:
https://coxxect.blogspot.com/2025/01/te ... touch.html
https://www....
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Is it possible to make a raspberry pi be recognized as a monitor by the computer, and receive its video output?
Context
I would like to build a e-paper computer screen. The problem is that E-paper displays have a very different driving method from usual displays, as they usually have low refresh rate (something ...
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pwmchip2 not appearing in /sys/class/pwm on Raspberry Pi 5
I have a Raspberry Pi 5 2GB. I just flashed the newest Raspberry Pi OS 64bit. I added dtoverlay=pwm-2chan to my /boot/firmware/config.txt and rebooted. No further actions where done on this system. ...
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2
answers
98
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How to read a PWM signal via GPIO on PI 5?
I have custom-made a compact push-type PWM signal generator that operates on 3.3V power and outputs a 50Hz PWM signal with a duty cycle ranging from 0% to 100%. I power it using the Raspberry Pi 5's 3....
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"git clone https://github.com/goodtft/LCD-show.git" asks for a password which was deleted years ago
Line "git clone https://github.com/goodtft/LCD-show.git" is hosed. This line will no longer work as it now asks for a password which was deleted years ago. Even if I had a password the ...
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switch keyboard layout using Caps Lock in Bookworm
I'm using Raspbian Bookworm. I have two keyboard layouts: English and Thai. In Mouse and Keyboard Settings, the Toggle Key has Shift+Caps option but I want to use just Caps to toggle the layout. ...
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gui issue after getting the ip address
I formatted the SD card and also have written into the SD card using raspberry pi os .After that I booted the pi using the SD card and also connected ethernet.I set the ipv4 address of ethernet as 192....
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Displaying X Window apps from Pi on macOS
I just started using a Raspberry Pi 4 Model B which I flashed to "Debian GNU/Linux 12 (bookworm)" using the Raspberry Pi Imager. I'm trying to display X Window apps back to a Mac (macOS ...
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