Newest Questions
37,665 questions
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🔒 Captive Portal on Raspberry Pi – Failing to close captive pop-up page on iOS / Mac OS
I’m working on an art project where I turn a Raspberry Pi into a Wi-Fi access point with a local captive portal in order to access a local website stored on an SSD. The goal is for visitors to connect ...
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Boot Issue After Cloning USB to eMMC on CM5 – Kernel Panic
I'm using a CM5 and tried to migrate my OS from a working USB flash drive to the onboard eMMC using rsync.
What I did:
Booted from USB
Used rsync to clone root and boot partitions to the eMMC
Updated ...
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Unable to delete unused raid partition
Im creating as NAS from a PI, it has 4 SSDs which I wanted in a RAID5.
During setup i realised one was only 256GB while the rest is 512GB, so I wanted to exclude the smaller one, and only use the 3 ...
- 101
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37
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How do i get Nema 17 motor to work with DRV8825 and Pico 2 W?
Yesterday, I tested a Nema 17 stepper motor with a DRV8825 motor driver. Connected to a Pi Pico 2 W using MicroPython on VS Code. It worked as intended, the motor spinned both directions. I took a ...
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30
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rpi 3 with egalax Touchscreen not working usb-hi error
I try to get an old Touchscreen to work with my raspi3.
I'm using the latest raspberry pi OS 64bit.
System is updated with apt-get update && apt-get upgrade -y && rpi-update
The power ...
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1
answer
39
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how to use HDMI-CEC and HDMI Audio same time?
I'm trying to build a home media center. I need HDMI-CEC and HDMI Audio, both needed. But if I use dtoverlay=vc4-kms-v3d, HDMI has no audio. If I use dtoverlay=vc4-fkms-v3d, I would get HDMI Audio but ...
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105
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Which file contains bookworm labwc screensaver settings/setup?
It took a minute for me to get screen "blanking" working in bookworm (labwc) on a Raspberry Pi 4B. I thought it would just blank the screen, once I got it set up correctly; but it actually ...
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Does the Raspberry Pi Imager download the latest OS when flashing?
I am surprised to find that an apt update/upgrade does so many updates on a new install. I am seeing pages and pages of updates, over 1000 lines, taking more than half an hour. I installed the ...
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45
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How to unbind a GPIO pin
Hi Im working to make a car radio using a RPI5 with this Hat (version carpihat5 pro with dac+) with this project everything goes well but when I tried to add another GPIO pin to turn my amp on to his ...
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Start up script to run a tcp connection
I am trying to run a script that uses sockets to connect 2 Raspberry Pi 4 devices on start up. I have a listen function and a send function.
I know that the script is running because I added an LED ...
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pivpn could not connect to server
I tried to reset my pivpn, with the following command:
curl -L https://install.pivpn.io | bash
the output is:
Failure to connect to install.pivpn.io port 443 after 14988 ms: Couldn't connect to ...
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27
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Impossible to use audremap and I2C at the same time on a Raspberry Pi Zero 2W
I'm using GPIO13 to generate sound with audremap and a Raspberry Pi Zero 2W.
I'm using GPIO3 SDA and GPIO 5 SCL to display on a LCD I2C screen at the same time and GPIO18 to power on the back light ...
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1
answer
53
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Permissions of /dev/ttyS0
Since an normal update of Raspberry Pi OS Lite (64bit) bookworm the /dev/serial0 vanished like described here update-20250402-resulted-in-no-serial-port.
Changing the /dev/serial0 to /dev/ttyS0 in my ...
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2
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74
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Red light not turning on
I have a pi3 b+ model. I it brought like 6 years back, which I used as a portable pc.
After 1 year there was no need to the pi3, so it put it up in a shelf.
Now when i tried to turn it ON I dont get ...
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55
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Rpi5 SD card fails to boot on new Rpi5
I had a Rpi5 booting of a SD card and it was working nicely, but the RPi5 died and I got a new one - Model B rev 1.1 (both are 8Gb models).
The Rpi is processing streaming data from a SDR and my code ...
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