Questions tagged [raspberry-pi-os]
Do not use this tag. It was intended for issues common to Raspberry Pi OS, but Raspberry Pi OS - Bullseye is significantly different to its predecessor. Use the version specific tags raspberry-pi-os-buster or raspberry-pi-os-bullseye.
406
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Kernel and header Version not the same
So i wanted to build the driver for my wifi adapter for my raspberry pi 400: https://github.com/morrownr/88x2bu-20210702
And i did everything what was said and then got the error: Your kernel files ...
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0
votes
3
answers
521
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How to turn off the Raspberry Pi fan when shutdown
I purchased the official raspberry pi 4 fan and follow the documentation to setup the fan. The fan turned on in the beginning when power on my raspberry pi 4 then it's off after finish boot up. When I ...
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0
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0
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39
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waiting for dbus address to appear error
I'm trying to run my Python executable on startup but I'm getting an error (waiting for dbus address to appear error) continuously it can't stop. Is there any way to stop I tried to update and upgrade ...
0
votes
1
answer
39
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interoperability Raspberry Pi OS on any various Raspberry Pi boards
Raspberry Pi Imager is the quick and easy way to install Raspberry Pi OS to a microSD card, ready to use with Raspberry Pi.
This microSD card can be used on any various Raspberry Pi board versions.
...
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0
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1
answer
1k
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raspberry pi fail to fetch the update and upgrade
I am using raspberry pi zero and raspbian buster os. I was trying to install samba on it, but it failed to fetch the packages. following is the terminal log,
pi@raspberrypi:~ $ sudo apt-get install ...
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1
vote
1
answer
144
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Can I use the Solenoid lock without an external power supply?
I have a question about the Solenoid lock: can I use it with a 12v relay module without an external power supply?
I'm using Raspberry pi 3 model B.
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0
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0
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64
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make: *** [Makefile:30: modules] Error 2 while installing seeed-linux-usbdisp
So I was trying to use WIO Terminal as a small display for my raspberry pi 4. And I was following the official setup from here. And during the making of the display driver I'm encountering an error.
...
1
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0
answers
20
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Changing HDMI diplay from 1 to 2 programmatically
I have a Raspberry PI 4 with a dual display setup I wanted to show different operations on both displays depending on some logic.
My application is built with compose multiplatform I can make two ...
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0
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1
answer
372
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Raspberry Pi stuck with blinking cursor after reboot
I have an issue when using the Raspberry Pi 7" Touch Screen Display connected via the ribbon cable (DSI Interface).
The issue is that after most reboots, all I get is a blinking cursor in the ...
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0
answers
147
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how to enable ttyAMA0 on raspberrypi 4 and how to make it to communicate with pixhawk?
I am trying to make communication between raspberrypi4 and pixhawk board to control the drone using dronekit library and to get telemetry info. I have used pin 14 and 15 for serial communication. But ...
-1
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1
answer
90
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How to revert apt upgrade on firefox-esr?
I did update/upgrade of all packages and with that my firefox-esr:68.11.0esr-1~deb10u1+rpi1 got replaced with 91.some version. It is slower, youtube is not as responsive as it used to be.
What didn't ...
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1
answer
299
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Receives "-bash: /usr/bin/hamachi: No such file or directory" when using command "hamachi --version" after hamachi has been installed
I have followed the guides put forth in the following forum when trying to install hamachi manually on raspberry Pi OS 64-bit on a Raspberry Pi 4 8gb:
Installing Hamachi
Whenever I try to use the ...
1
vote
1
answer
664
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ENOSPC Error with Camera Module V3 on Raspberry Pi 3 B
I bought an Pi Camera Module 3. I have an Pi 3 Model B Rev 1.2.
I get the ENOSPC error when trying to use the camera with raspistill:
pi@raspberrypi:~ $ raspistill -o t.jpg
mmal: ...
- 23
1
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0
answers
753
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Specified qdisc kind is unknown when using tc netem to emulate latency on Raspbian
When I tried to emulate latency using tc. I get the following error on Raspberry Pi 3B+.
sudo tc qdisc replace dev eth0 root netem delay 100ms
Error: Specified qdisc kind is unknown.
These are the ...
1
vote
0
answers
81
views
PCA 9685 i2c communication issue
I would like to ask a question regarding the usage of secondary channel of i2c in rpi 4b.
I have enabled the secondary channel through adding "dtoverlay=i2c-gpio,bus=2,i2c_gpio_sda=22,...
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1
vote
1
answer
717
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How to open port 8080
I need to check a Python server and client on the pi4B.
Only I can't find how to run or open port 8080 on the pi4B.
0
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2
answers
137
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Unable to connect to raspberry pi 3b over minicom
I want to connect to my raspberry pi 3 model B V 1.2 to minicom using serial cable. I have attached serial cables to correct pins like this.
image of my setup
I have installed raspbian from the ...
- 101
0
votes
1
answer
84
views
crontab not work in simple shell script but manually
My code didn't work in crontab. I installed new Raspberry Pi OS and write a simple shell script. It still do not work.
I added setup new Raspberry wrote a simple script hello.sh. Setup crontab run ...
3
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3
answers
6k
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I am not able to use sudo-apt upgrade whenever i try this error shows up like this how can i fix it?
$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed ...
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0
answers
80
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WaveShare display (7 inch) doesn't respond to touch, after playing YouTube videos in Raspberry PI 4
I have an issue with my WaveShare display (7-inch LCD with case) where when I connect it to my Raspberry PI 4 and play youtube videos for some time in the chromium browser, the screen doesn't respond ...
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1
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0
answers
59
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Microphone volume seems to increase via PulseAudio but arecord does not see any increase
I am still trying to understand how the audio input/output stuff works over PCM on the Pi its new to me as I've never dealt with it before. All of the testing below was on the latest Raspberry Pi OS ...
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1
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1
answer
270
views
Matplotlib error on Raspberry
On my Rapberry Pi Model3 is installed by default python 3.9.2
I've correctly installed :
matplotlib 3.6.3
numpy 1.24.1
If I create a simple .py file like this:
import matplotlib.pyplot as plt
import ...
- 129
0
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0
answers
68
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Raspberry Pi loses wwan0 assigned IP address and comes back to 169.x.x.x which results in no internet after 5-10 minutes
I recently installed the updated Raspberry Pi OS and found that after connecting to the internet from the 4G Module Queltec EC25 it gets an IP address on the wwan0 port, but after a few minutes loses ...
1
vote
1
answer
255
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Starting problem after Buster upgrade to Bullseye [closed]
I have a Raspberri Pi 4 of 4Gb my Operating System was Debian Buster that I upgraded to Bullseye and since when I restart I have a whole bunch of messages see the screenshots attached it seems to me ...
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1
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1
answer
113
views
My Application (based on python tkinter) is not running at Boot time (autostart) in Raspberry Pi Os?
I have made executable file of python tkinter application. It runs well when clicked. But I want to run it at Boot time (AutoStart) in Raspberry Pi Os.
I have tried many methods but they didn't work.
...
2
votes
2
answers
4k
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How to create a user with "userconf.txt" but disable auto-login
Scenario
I'm trying to bootstrap Raspberry Pi's by just putting configuration to the "boot"-volume.
My workflow looks like this:
Flash SD-card with Raspberry Pi OS Lite
copy these files to &...
- 143
1
vote
1
answer
116
views
Create Wireless Hotspot doesn't work
I want to turn my Raspberry Pi 3b into a Wi-Fi Access Point, but i have the probleme as you can see in this image
0
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2
answers
144
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How to programically detect if display is plugged in to GPIO
I've attached an ePaper display to a GPIO bonnet/HAT and have set up cronjobs to run scripts that print data onto ePaper display.
If I remove the HAT and display, then how to check if it's plugged in?
...
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1
answer
458
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Raspberry Pi 3 VLAN interface DHCP client issue
I have followed the guideline to setup VLAN interface on eth0 but failed to auto get IP address from my upstream dhcp server. I have checked tcpdump and don't see any dhcp traffic on VLAN interfaces. ...
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1
vote
2
answers
125
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Unresponsive Raspberry Pi 4
I have a Raspberry Pi 4 about 2 years old. I'm on my second SD card. I spent the time to make sure I got a good one that would not worn out this time. I mostly used it for running a plex server. All ...
- 111
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3
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288
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Monitor home traffic using Raspberry Pi
I used the below site to setup my Raspberry Pi as a Routed Wireless Access Point. The goal is to eventually monitor traffic on my home network. I was able to setup the Raspberry Pi as an access point ...
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2
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2
answers
157
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Launch a Bluetooth Low Energy command after raspberry startup
I wrote a command in swift that uses the internal bluetooth low energy module of my Raspberry PI 4. This command must be launched as superuser.
Everything works perfectly if I launch the executable ...
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1
vote
1
answer
53
views
windows not getting IP address from Raspberry pi access point
I have looked at several posts but they don't seem to match my situation 100%
I have a Raspberry Pi 4b, 2g. I installed Bullseye 32 bit desktop (the default in Raspberry pi imager). Did all the ...
0
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0
answers
43
views
Raspberry Pi 3B Randomly Reboots After Kernel Upgrade
I have this strange behaviour from my raspberry pi;
I have Raspbian Jessie 4.9.35 installed on it and a reboot never occured, but as soon as I switch from that kernel version to a more recent one the ...
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3
votes
1
answer
698
views
Change display manager from SD card
I installed xdm on my raspberry pi os with apt, at the end of the installation, it prompt me to choose default display manager and I chose xdm instead of previously installed lightdm.
Now when I power ...
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2
votes
1
answer
5k
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Video encoding on Raspberry Pi 4 via ffmpeg and h264_v4l2m2m produces corrupted video
Raspberry Pi 4, 4 GB
Rapsberry Pi OS Lite, 64 bit (2022-09-22)
Kernel 5.15.61-v8+
ffmpeg 4.3.4-0+deb11u1+rpt3
config.txt has the following relevant entry:
# Enable DRM VC4 V3D driver
dtoverlay=vc4-...
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1
vote
1
answer
296
views
How do I take in recurring snaps from MLX90640 Thermal Camera?
I'm using an MLX90640 Thermal Camera and I got it to work after some time through a Raspberry Pi.
What I am trying to do however is take in a picture every minute (or every few minutes) from what it ...
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0
votes
1
answer
73
views
I can't get My BLDC (Brushless DC motor) to run
Goal
Use Pulse Width Modulation (I think that is the standard approach) to control the speed of my BLDC.
I have tried so many things
#include <stdio.h>
#include <inttypes.h>
#include <...
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votes
0
answers
327
views
Raspberry Pi 4B - disabling 5GHz channel
I need help with, how to disable just 5GHz channel on raspberry pi 4B? I would like to keep 2.4GHz channel on.
-2
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1
answer
523
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Not connecting to Wi-Fi on first boot only, after editing wpa_supplicant
Raspberry Pi 4. So I have a python script (run at startup) with a GUI where it is possible to select a wifi network form a list and enter its password; such infos are saved to a file which will later (...
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1
vote
1
answer
118
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I'm trying to use my TF-Luna Mini with the raspberry pi. getting error as permission denied '/dev/serial0'?? How to solve this error?
######################################################
# Copyright (c) 2021 Maker Portal LLC
# Author: Joshua Hrisko
######################################################
#
# TF-Luna Mini LiDAR wired ...
0
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0
answers
13
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unable to install autossh on Raspberry PI OS Lite (32-bit) 06-sept-2022 release [duplicate]
i am unable to install autossh on a fresh installation of Raspberry PI OS with the latest bits.
for some reason this seems to go to a server in the Philippines which probably is incorrect.
"http:/...
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0
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0
answers
51
views
How could RaspberryPi HDMI Port be changed with terminal code?
When both HDMI ports connect two separate displays, I want to change the HDMI port directly from 0 to 1 or 1 to 0 with console(terminal) code. Is it possible? Thank you.
0
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0
answers
28
views
Turning off display if webpage is not available in kiosk mode
Am I using the pi in kiosk mode to monitor my pc stats. But I cant connect the pi the pc due to insufficient power to power the display as well. So I want the pi to rurn off the display if and only if ...
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0
votes
2
answers
240
views
switch from hostapd AP to wifi client Raspberry Pi OS (Raspberry Pi4 64bit)
After meticulously following the instructions in this thread. I have a problem with my Raspberry Pi 4 on Raspberry Pi OS.
Indeed, when I use this script:
#!/bin/bash
# This script will stop Hotspot (...
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0
votes
0
answers
120
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Fail to boot after freshly image from Raspberry Pi Imager: Wait for link TFTP
on the school I work for they asked me to setup two RBP 4 (2 GB) which only have to run a web browser to display info to the students. I have a couple of RBP 3 at home, which I setup some time ago ...
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1
answer
86
views
Raspberry pi 4 is not booting with Disk image that is working on Raspberry pi2
I am new to this project. The project was developed in 2015 using Raspberry pi2 and a 7' touch display. The disk image works perfectly on Raspberry pi 2. I tried to flash the disk image to an SD card ...
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1
vote
1
answer
280
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forgot raspberry pi username -> extract from raspberry pi imager
i forgot the password for my raspberry pi, but it is still stored in the default-settings of the raspberry pi imager. Is there any way to get the password back to plain text. my problem is i dont have ...
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1
vote
1
answer
73
views
Using the microUSB Port over the 4 pin for Neo-6M GPS Module on Raspberry PI
Just a quick question, what is the difference between using the microUSB port over the 4 pins for data input for the Neo-6m gps module by ublox? or for any other sensor.
Does this affect the current/...
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0
votes
0
answers
241
views
Raspberry pi very slow boot
I have a very slow reboot of raspberry pi 4 (8gb ram). It wasnt always like this,
but the last days i realized it's extremely slow.
I use it for Home assistant (with Docker), pihole and plex, and i ...
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