Access GPIO pins without root. No access to /dev/mem. Try …
Dec 28, 2015 · In effect, this blows a hole in both security and system stability protections to allow access to the GPIO stuff, as well as the rest of the memory, but only to the users in group …
lgpio GPIO.setup fails with 'GPIO not allocated' when run from a …
Aug 20, 2024 · 0 I've a flask webserver on a Raspberry Pi 5 that I'm using to control a motor via the GPIO pins. This was working fine, but has now stopped for reasons that I'm trying to get to …
"GPIO busy" How to use the same gpio pin in separate processes?
Jul 2, 2024 · Perhaps use a different backend for gpiozero. lgpio uses the /dev/gpiochip interface to the GPIO rather than the deprecated sysfs interface. The /dev/gpiochip interface only allows …
GPIO chip Device or resource busy error - Raspberry Pi Stack …
Jul 25, 2024 · I am trying to control a E-Paper display using my Raspberry Pi 5. I want to use the gpiod library since it seems to be the best option (especially since RPi.GPIO is not supported …
Raspi 4 Bookworm GPIO Issues using GPIOZero - Raspberry Pi …
Aug 19, 2024 · Explore related questions gpio gpiozero raspberry-pi-os-bookworm See similar questions with these tags.
What is the proper way to debounce a GPIO input? - Raspberry Pi …
Nov 13, 2020 · I have a project that involves using a Raspberry Pi to sense the state of a mechanical switch (actually, a relay, part of this light beam sensor). When the switch is closed, …
Current proper way to interface GPIO from C code? - Raspberry Pi …
Mar 26, 2024 · The old /sys/class/gpio way is deprecated and there's a rag-tag bunch of libraries that appear to have sprung up, none of which have much of an air of officialdom about them, …
boot - Set GPIO on Startup - Raspberry Pi Stack Exchange
Nov 3, 2020 · I would like to set the output of GPIO 12 and 26 to on while the RPi is booting, and then turn them off when startup is complete. Can I use config.txt for this? Something like: # Set …
gpio - More information about GPIO0 and GPIO1 - Raspberry Pi …
Apr 13, 2020 · The datasheet you linked says exactly that about the ID_SD and ID_SC reservations: 5.1.1 GPIO Pin Assignments, page 9: These pins are reserved for HAT ID …
gpio - Raspberry Pi Stack Exchange
Sep 7, 2024 · I'm trying to run a GPIO program on my rpi5 using gpiozero, but I am unable to because of the error: Unable to load any default pin factory! and the warning above is: Falling …