Questions tagged [raspberry-pi-os]

Raspbian renamed Raspberry Pi OS (32-bit)

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2answers
78 views

What am I missing in regards to "Raspberry Pi Imager"?

Today, I went to my bookmark for Raspberry Pi OS to see if there were any new updates. There were. The horribly-named "NOOBS" installation utility had been renamed into the much less ...
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15 views

Raspberry PI connection to Matrix LED panel display issue

I have a Raspberry PI 4B 4GB, we have a Led Panel display (almost like a Matrix panel display), we use to have a Odroid XU4 with Ubuntu running our video display software but it broke, so we want to ...
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2answers
73 views

Can't upload sketches to Arduino Uno with Raspberry Pi 4

Using my raspberry pi 4 with Arduino IDE to upload sketches to my Arduino Uno. Raspberry Pi 4 is encased in an Argon Neo (in case that's important). At first I tried to get the board info and received ...
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1answer
33 views

Check on Rasperry Pi what is connected to Arduino Uno

i have a question regarding Rasperry Pi and Arduino. I have them connected via USB and on the Arduino is a NFC Reader connected(via Pins). Can I look on the Rasperry Pi with a command or something ...
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73 views

how to install onnxruntime on raspberry pi 4

I want to setup onnxruntime python library on raspberry pi 3 and I tried some ways to install it but I couldn't . the ways that I followed are : 1 - way 1 2 - way 2 3 - using pip3 I want to know is ...
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2answers
64 views

Wake On Lan through RPI 1b+ v1.2

Could you guys help me out with setting up a WOL setting? There's a catch. I've googled a bit and found solutions but I want something more delicate. Google suggests that I remotely execute a bash ...
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2answers
117 views

Raspberry Pi 3 Model B v1.2 really slow

My Pi has been running 24/7 for approx 3 years. Is it possible that it is just worn out? I installed a fresh Raspberry Pi OS Lite on a brandnew Intenso Class 10 mircoSD. When I run apt-get update &...
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51 views

How do I get back to GUI?

Recently my RPi started switching to a terminal on boot. I cannot get out of it and when i boot it says "Time Synchronization error" I've tried setting it manual, automatic and nothing has ...
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1answer
56 views

New ABI for the GPIO Character device

I was going through the presentation1 about the new ABI of the GPIO Character device, presumably merged in v5.9 of the linux. I installed a new version of raspberry os, (uname: Linux raspberrypi 5.10....
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28 views

Can't install scrot on pi zero

I am trying to install scrot to take screenshots on a pi zero using rapberry pi OS. I got the command $sudo apt-get install scrot from https://www.imore.com/how-take-screenshot-raspberry-pi no.2 How ...
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1answer
96 views

Launching browser (Chromium or Firefox) without x server / xorg

I need to launch Chromium (or alternatively Firefox) on a raspberry PI 4 8 GB running Raspberry OS 2021-05-07 without launching xorg / xserver. Is that feasible, for example by launching it in ...
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47 views

Installing Cinnamon desktop fails on Raspberry Pi 4

I was following instructions from : https://raspberrypiuser.co.uk/how-to-install-a-new-desktop-environment-using-raspberry-pi-os to install Cinnamon desktop on Raspberry Pi OS, release date: May 7th ...
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1answer
169 views

Chromium didn't shut down correctly and Google account always logged out

I use RPI 3 model B and I reinstall Raspberry Pi OS for some reason. I could log in to Google and it kept logged in whenever I close and open Chromium, but it was before I reinstall raspios. However, ...
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2answers
43 views

My Raspi speaker is saying everything I write [duplicate]

Something strange is happening with my Raspi speaker. Everything I do in Raspbian is repeated by my speaker. For example, when I type "ls" in my terminal, it says "ls" and then ...
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3answers
64 views

How to run a program on boot, but not user login?

I need to set an environment variable and run an app when the Raspberry Pi boots up. To that end, I added the following to /home/pi/.bashrc: export MY_ENV_VAR=foo cd /home/pi/MyApp ./MyApp When I ...
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1answer
20 views

raspberry pi 4B speaker interval time

I want to make a raspberry pi 4B speaker using python. And I would like to use a loop to open the voice.mp3 file where different values are created over and over again. I tried to use the playsound ...
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23 views

Raspberry Pi Official 7” Monitors not working

I am having trouble getting 2 Raspberry Pi Official 7” TouchScreens to work. I have tried them each on 2 different Raspberry Pi 4s with multiple Ribbon Cables making sure they are in the correct ...
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2answers
41 views

compile a c++ app on ubuntu and run it on raspberry pi

I'm on an opencv project that need to be deployed on rpi 4. I do prefer to reach this project development, testing a compiling on other device (lets say a labtop). My question which OS is compatible ...
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1answer
42 views

spi_xfer unable to send more than 256 bytes in pigpio module , any other instruction or another way to run it

0 I'm trying to communicate with ADC via SPI using "pigpio" library. Basically I'm trying to read an ADC channel data over there i have to send 0x0800 but spi_xfer is not take more than 256 ...
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0answers
41 views

lightning bolt issue raspberry pi 4

I'm using raspberry pi 4 model B, unfortunately, I got a lightning bolt at the right corner I searched online about this issue and I found a lot of topics that explain the issue I tried to replace my ...
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22 views

Cannot log in to ssh

I was editing my nano xstartup file to enable copy and paste over vnc. But after editing it, when I try to log in to my raspberry pi ssh it did not work. Instead, I got the following message: usage: ...
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71 views

Raspberry Pi Camera doesn't work properly

I'm using Raspberry Pi 3 Model B+. If I run vcgencmd get_camera it gives me supported=1 detected=1 If I run raspistill -o test.jpg the test.jpg file appear but gives this message mmal: ...
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1answer
56 views

Neopixel with raspberry pi

I am using a neopixel for my raspberry pi project. I am trying to control 30 pixels and the strip is 20cm long. Can I use it just by using the pi's 5v pin? Also if I it is possible, how long should ...
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2answers
264 views

how do i reset my raspberry pi using the terminal

How do i reset my raspberry pi using terminal? I don't have access to another PC so i have to reset using only the raspberry pi. I have tried searching up answers but no-one seems to not have another ...
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0answers
19 views

Raspberry pi freeze when i open chromuim

My raspberry pi freeze after using chromium for sometime with no reason. I open chromium at the beginning it works fine but then it stops working, the screen freeze, the green led it constantly on and ...
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1answer
53 views

speech recording and translate

I have a problem with convert from "wav" to "flac". Command: arecord -D plughw:0,0 -f cd -t wav -d 0 -q -r 16000 | flac - -s -f --best --sample-rate 16000 -o daveconroy.flac ...
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37 views

Universal Translator

I need help with my school project. I can't get any further with the chapter "Speech to Text or Speech Recognition with a Raspberry Pi". (see below) When I run the script "stt.sh", ...
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0answers
114 views

Does Raspberry Pi 64-bit (aarch64) OS support Pi Camera module?

Does Debian Buster 64-bit (aarch64) have support for Pi Camera library? I have recently installed a 64-bit Debian Buster OS on my Raspberry Pi 4B, I switched from a 32-bit (armv7l) OS version, because ...
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38 views

Raspberry pi 4 with two webcams

I am trying to run two webcams on raspberry pi 4 with raspbian OS. It works rarely with very low FPS. Most of the time i am getting this error: [ WARN:0] global /tmp/pip-wheel-qd18ncao/opencv-python/...
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1answer
291 views

Using Pico as GPIO extender

When the Pico became available I bought 2. I installed MicroPython on the first and used for a few applications. I though the Pico would make an excellent and inexpensive GPIO extender for the Pi, but ...
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1answer
63 views

raspi-config won't let me expand my filesystem

I used the included SD card to install my raspbian (Buster, I think) on a 32GB card. For some reason the card filled up (that will be a question for another day), so I copied an image of the card to a ...
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2answers
57 views

Raspberry pi stuck at smbd.service?

I edited my /home/pi/.bashrc file, and i reboot it, but the raspberry pi stuck at smbd.service with the welcome screen.
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1answer
47 views

Why does updating Raspberry Pi OS keep breaking my system?

For some weird reason, updating Raspberry Pi OS keeps breaking my system. For the second time since setting up my Raspberry Pi 4 (8GB RAM), my microSD card has been corrupted and cannot run the OS. ...
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2answers
372 views

I think I corrupted my microSD card; is there a way to fix it?

I installed Raspberry Pi OS on an old microSD card I had, which I put in my new Raspberry Pi 4 (8GB RAM). Today, I tried to (safely) overclock the system. However, when I rebooted the system, I got an ...
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2answers
45 views

Do not see raspberry PI in network after install with Raspberry PI imager

I've installed Raspberry Pi OS Lite on flash drive with Raspberry Pi Imager. After that I've added SSH and wpa_supplicant.conf (I've taken this example to create the config). And after that I've ...
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1answer
150 views

Raspberry Pi 4 CanaKit - Micro SD Card - Do Not Format

I just bought a Raspberry CanaKit for Raspberry Pi 4 with all the latest features, and the Micro SD comes already preloaded with NOOBS (Gotta love that acronym) and backup files it appears, so why ...
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1answer
33 views

New Raspberry Pi 4 boots to black screen

I'm pretty new to the Raspberry Pi world and I just bought my first one (4 model B 8GB). I downloaded the raspberry pi OS full (23-BIT) and used the Raspberry Pi Imager to put on my Samsung 64GB Sd ...
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1answer
70 views

Can we read the emmc flash of the compute module 3+

As we can read the data from the sd card.but in compute module 3 plus there is choice between sd card and emmc. if we flash the raspbian os on the emmc and make changes on it then do we read that ...
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1answer
27 views

Starting up GCompris on a RPI4 for a specific user

I have installed GCompris on a RPI4 which is running the latest Raspberry Pi OS. I have 2 users. the default pi user and i also created a user call "student". I can start GCompris when ...
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1answer
32 views

Broadcasting With PiFm Isn't Working on My Pi 3A+

I am trying to broadcast audio from my raspberry pi with pifm. However, it isn't working. When I run 'sudo ./pifm sound.wav 100.0' nothing comes through on my fm radio, and also, afer about 2 or 3 ...
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1answer
42 views

Broadcasting From An USB Sound Card With PiFmRds Isn't Working

I am using PiFmRds on my raspberry pi 3a+ (https://github.com/ChristopheJacquet/PiFmRds), and I am trying to live broadcast with a mic and a USB sound card. The command is: sudo arecord -fS16_LE -r ...
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0answers
27 views

How can I get my pi3 to consistently display to the monitor?

I have a pi that will not stay awake and display to the monitor consistently. After 10 minutes it will blank. Here are the methods I have tried so far: Adding xscreensaver, and editing it in the menu ...
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1answer
1k views

Raspberry Pi not booting "recover4.elf is not compatible"

I've bought x3 Raspberry Pi 4 4GB Model sets a while ago and was very happy with it. I've been working on the one and cloning the same SD-Card onto other 2, so I could have the same system state on ...
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0answers
37 views

Incorrect kernel header downloaded

I need to install a tool in Raspberry pi 3B+ that needs kernel version 4.14. To install the tool, I need to install some kernel patches and need the headers for the installed kernel. On running uname ...
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1answer
258 views

I2C communication error: OSError: [Errno 121] Remote I/O error while using PAJ7620 sensor

I know this question has been asked a bunch of times. But, none of the answers was able to resolve my problem... I'm hoping I could get some guidence from awesome people in this community. Thanks in ...
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1answer
69 views

Folding at home stuck on "Connecting"

Information Hello. I'm having some issues with the Folding@Home Client for raspberry pi. I am using a raspberry pi 4 with the 64bit version of Raspberrypi OS (Found here: https://downloads.raspberrypi....
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0answers
29 views

NOIR Camera V2.1 not working in the dark

The camera used to work with pink shade in the morning and even in the dark without additional leds the last time used. I recently used it after a long time on a new system and noticed that it was ...
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0answers
305 views

Audio alternatives for Raspberry Pi 400

So as you all know, the Raspberry Pi 400 does NOT have an audio jack, which is pretty annoying especially when I need to get audio output from it. Can I connect to a Raspberry Pi 3B via Bluetooth from ...
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0answers
8 views

VNC Hosted Discovery Error

I'm trying to connect to my raspberry pi through VNC, but with no avail, both my Laptop and raspberry VNC return the error messages: "Host Discovery error: Unable to find service", this is ...
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22 views

Problem with installing midlet

When I try to install MIDlet by script installMidlet.sh this problem occurs: pi@raspberrypi:~/javaMe/bin $ ./installMidlet.sh /home/pi/Java/HelloPi/HelloPi.jar Java is starting. Press Ctrl-C to exit ...