Questions tagged [raspbian]

DO NOT use this tag for new questions; Identify actual OS e.g. Raspberry Pi OS-Buster . Raspbian renamed Raspberry Pi OS (32-bit) is a family of GNU/Linux operating systems derived from Debian. Version numbering follows that of Debian and the current stable is 11 (Bullseye). Raspberry Pi OS is the most widely used Pi based distro.

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1 answer
140 views

Pi Zero onboard time lapse camera read only file system?

I'm trying to build an onboard time lapse camera for my motorbike using a Pi Zero and a Pi camera powered by a USB port of my 5V 2.1A charger socket which has a on/off switch. since I'd rather avoid ...
1 vote
1 answer
2k views

Captured image using RaspiCam got crop

I am working on a project using the Raspberry Pi model B and the Raspberry Pi CSI camera module (RaspiCam). The problem is, captured image area when I'm using raspicam_test which in the raspicam ...
0 votes
1 answer
1k views

Read binary data from serial port and save in file

I am link modem to pi3 via serial port and configure this port . When i receive data in my python software from serial port and save bytes in file, i note i receive too mutch data , I am receiving ...
1 vote
2 answers
820 views

Raspbian Chromium Startup

I am setting up a "kiosk" mode display but Im having a hard time getting chromium to show properly on raspbian login. If I comment the line out, and manually start chromium, it will show. ...
0 votes
1 answer
427 views

Running openCV C++ file from python in Raspberrypi

I'm creating a object and color detection robot. Here in this case, I'm using C++ to run the camera and process the image with openCV in C++, but before I run the Camera, I want the robot to move and ...
3 votes
2 answers
30k views

How to enable sound on HDMI?

I have looked at all kinds of tutorials, I modified the /boot/config.txt by adding hdmi_drive=2 and sound just does not work or if it does it always is over analog out. I just want sound over HDMI ...
1 vote
2 answers
4k views

Moving sd card to a larger one

I'm sure there are lots and lots of people asking this but I couldnt find a good answer. How should i move my x GB sd card content to the new XX gb sd card since i have multiple partitions? I ...
0 votes
1 answer
205 views

dual boot menu with raspbian / librelec not showing anymore

I have a RPI 4 with both Raspbian and Libre elec. I went 2 monthes in vacation, and now I am coming back, system is only booting on librelec, I cannot find a way to boot on raspbian. Is there a way to ...
18 votes
4 answers
23k views

Where is Raspberry Pi "wastebasket" located in the file system?

I am trying to understand the Raspbian file system better. I opened properties on the Raspberry Pi's "Wastebasket" hoping to find out where it is located in the file system and I found trash:///. ...
0 votes
1 answer
1k views

Watch command "Refresh rate"

I am using a Pi 3 Model B and a Sensehat. I am using the following command: sudo watch -n 0.1 python sensors.py My program runs fine and the command works, However I have one issue. Even though I ...
0 votes
1 answer
862 views

Dependencies fail to install, cannot install picamera on pi3

When I run apt-get install python3-picamera it fails with different dependency issues like: files list file for package 'libparams-util-perl' is missing final newline or files list file for package '...
1 vote
1 answer
236 views

Using Thorlabs Kinesis Brushed Motor Controller

I am trying to use Thorlabs Brushed Motor Controller with Raspberry Pi 4, Model B. But its own software is Windows based and so their .dll files are Windows based too I suppose. I am trying to use ...
2 votes
1 answer
799 views

Raspbian Buster and XRDP keyboard layout

I've Raspbian Buster installed on Raspberry Pi 4. I installed XRDP by first removing/purging RealVNC server (according to some sources on the web, they cannot coexist peacefully) and then installing ...
0 votes
0 answers
15 views

MT7601U Wireless Adapter only works if connected after boot

I'm using a Raspberry Pi Zero W, with a USB hub and adding a second wifi. If the dongle in question is connected after boot, it works flawlessly: Bus 001 Device 004: ID 148f:7601 Ralink Technology, ...
1 vote
1 answer
922 views

Pi 4 how to insert and remove usb

I have 2 questions - apologies if they are trivial. When I shut down my pi4 the led goes out but comes back on soon after. Is this ok/ normal? I use the GUI and have had a USB stick corrupted. Can ...
0 votes
0 answers
345 views

undefined symbol: libusb_free_config_descriptor

I try to use a Chafon UHF RFID reader via USB with Pi Zero. The manufacturer asked me for installing this: sudo apt-get install libusb-1.0-0-dev and use this Python code: UsbDemo.py #!/usr/bin/python ...
1 vote
1 answer
247 views

RasPi 4B/Waveshare 7" (C) touch not working after boot

I'm using a RasPi 4B with a HiFiBerry Amp2 "on top" and a Waveshare 7" (C) touch LCD Rev 2.1. The setup is intended to become my "web radio" using Volumio or Kodi. I'm having ...
0 votes
1 answer
918 views

Issue "Enabling simplink on boot automatically"

I need enable simplink on boot automatically. But, currently we have to do it manually every-time from Remote Control using the Settings->Input->Simplink->HDD Recorder. I have been stuck for almost a ...
-1 votes
1 answer
23 views

SOLVED Sudo is broken, missing libgcc_s.so

tl;dr Which version of gcc should I install? Not sure exactly how it happened. It might have been caused by the last upgrade but sudo somehow broken. Any sudo command I try to run outputs the same: $ ...
2 votes
1 answer
1k views

Receive data on the raspberry with c# using mono

I want to send strings between the raspberry and a windows computer via serial and with c#. This works from the raspberry to the computer as shown below. In the picture you can see that I have sent a ...
3 votes
2 answers
468 views

Raspberry PI 4 B 8Gb running 2 ov9281 cameras with camarray hat: ERROR: *** no cameras available ***

I have a Raspberry PI 4 B 8Gb. I have this kit (2 ov9281 cameras with camarray hat): https://www.uctronics.com/arducam-1mp-2-stereoscopic-camera-bundle-kit-for-raspberry-pi-nvidia-jetson-nano-xavier-...
2 votes
1 answer
1k views

SSH into Pi working as wireless bridge

I have a Raspberry Pi 3 that I have set up as a wireless bridge. I have a static IP on the ethernet port of 192.168.0.20, and a static IP on the bridge of 192.168.0.30. The Pi is running headless, so ...
3 votes
1 answer
591 views

Installing docker on Raspberry PI 3

I'm getting the following trying to run docker on a Rasperry PI 3. Link to the the instructions I used. Setting up docker-ce (5:19.03.8~3-0~raspbian-stretch) ... Job for docker.service failed ...
0 votes
2 answers
17k views

Getting message to upgrade my version of Chromium but when when I try to upgrade it says I already have latest version

Whenever I open up a page to my gmail account I get a yellow bar at the top of the browser with this message: This version of Chrome is no longer supported. Please upgrade to a supported browser. ...
2 votes
1 answer
713 views

Hostapd stops working after 3G modem restart

I'm trying to turn my Pi into an access point with an Edimax wifi dongle and a Huawai 3G modem for Internet access. Generally, this is working well. But under load the 3G modem sometimes disconnects. ...
5 votes
1 answer
243 views

Problem sending analog read values over serial

Ok I apologize as I have edited this quite a bit, but I have narrowed down the problem a bit more. For some reason I can't transfer values from my arduino analog pins?? I am trying to send values ...
1 vote
1 answer
3k views

Playing audio via bluetooth speaker for Pi3 (Stretch)

This is the oft repeated question on playing audio via bluetooth on RPi. There are too many posts out there, but most of them are dated or do not apply to the stretch version of raspbian and hence ...
1 vote
2 answers
3k views

Bcm 43143 Hostapd Driver Problem

I am trying to establish an AP media server with Raspberry Pi 2 and was following the Adafruit guide: setting up a Raspberry Pi as a WiFi access-point. I have completed that but at the start step my ...
0 votes
1 answer
285 views

How to fix wxWidgets not found and json/json.h not found issues while installing guayadeque

Documenting 2 issues I've faced during installation of Guayadeque on RPi4 wxWidgets not found -- Could NOT find wxWidgets (missing: wxWidgets_LIBRARIES wxWidgets_INCLUDE_DIRS) CMake Error at ...
0 votes
1 answer
546 views

sudo command on Raspbian Terminal is hanging

When the sudo command is typed and pressed on the terminal, it's getting hanged. Background: I tried to establish the CAN link on the Raspberry PI board. Added CAN link connection command/script upon ...
6 votes
5 answers
26k views

How to play mp3 on background from command line

The command: omxplayer -o local sample.mp3 works fine - sound is good - but I have to wait for return until the music stops. I want to put this in a backround. I run: omxplayer -o local sample.mp3 ...
0 votes
1 answer
13 views

Can a Pi3 be used as an RS232 to TTL Level Shifter?

I have a couple of Pi 3's here, and have to recover an Iomega NAS. Normally I would use a USB device and have the cables connected from a laptop, run up putty, communicate over the usb serial port to ...
6 votes
2 answers
1k views

Wifi raspberry pi 2 problem

My wifi adapter worked fine with the Rapsberry pi B but when I update to Raspberry pi2 it doesn't work. I'm using wheezy and when I run lsusb I get: Bus 001 Device 002: ID 0424:9514 Standard ...
0 votes
1 answer
1k views

How to enable mouse input in raspberry pi

I connected a tft touch lcd display with my raspberry pi and now i cannot control my cursor with my usb mouse. Please help. Thanks
1 vote
1 answer
4k views

WiFi not working on fresh install

I have had my Raspberry Pi for a few years now and today I went to do a fresh reinstall of Raspbian. I downloaded v2.4.4 of NOOBs and used that to install Raspbian. Everything installs nicely except ...
1 vote
2 answers
780 views

pigpio I2C reply value

I'm sending a command e.g. "wifion" with I2C arduino(master) to RPI(slave) That works perfect but I need to return a confirmation value. How can I send back/reply from the RPI to the Ardunio a value? ...
2 votes
1 answer
1k views

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 ...
0 votes
2 answers
1k views

Raspberry Pi 4 with Raspbian fails to load desktop on USB DisplayLink screens

When using a freshly imaged uSD card with Raspbian in my Raspberry Pi 4, after initial splash screens for setup/autoconfigure, I'm left with a black screen, with the text cursor blinking in the top ...
0 votes
2 answers
5k views

Chromium (Media Edition) Problems

I gave two raspberry pi 4s (8 GB RAM) as a gift (I generally use Linux but am fairly new to these :) ), and wanted to watch Netflix and Youtube on them (for example). Yet Youtube has a lot of screen ...
1 vote
1 answer
3k views

Mounting afp shares as non-interactive user

I am trying to run a music streaming server (squeezebox) on my rPi running raspbian from a network volume mounted with the afp protocol. The disk lives on an Apple Time Capsule. (I have seen thread ...
2 votes
1 answer
4k views

Unable to expand filesystem on SD card running Raspbian

I'm new to Raspberry Pi and I just flashed the SD card and installed Raspbian on it. After reboot, I used raspi -config to expand file system. However, I get the error Your partition layout is not ...
0 votes
1 answer
1k views

Raspbian Picamera web stream and record

I've been searching this for a while and I found a few posts that look interesting but it doesn't do what I really want. I am trying to set up a Raspbian security camera that records the video to a ...
1 vote
1 answer
4k views

Huawei E3531 and Raspberry Pi 2

I want to connect a Pi 2 to the web using a 3G Dongle (Huawei e3531). But for some reason I can't get it to work. It is a freshly installed Jessie with update & upgrade done. Modeswitch was ...
1 vote
1 answer
7k views

How to set raspbian to automatically login to google on startup

I currently have my Raspberry Pi 3 with Raspbian to the point where it will load with Chromium in kiosk mode. The problem is I need it to load to a work site.google site. This can only be done if you ...
0 votes
2 answers
9k views

How to set IP to Dynamic?

I need help changing my IP to dynamic or confirming that my is IP to dynamic because I may have set it to static when I installed PiVPN. /etc/network/interfaces is basically empty
0 votes
1 answer
139 views

Pi4B: touch LCD+HDMI monitor, touch area issues

I have a Pi4B with a fresh install of Raspbian. I have a 4" touch LCD on HDMI0, and a 13" non-touch portable monitor on HDMI1, and I configured the workspaces so they don't overlap. I enabled touch ...
1 vote
4 answers
490 views

Raspberry Pi / I2C Slave / bsc_xfer()

Good evening. I am trying to use a Raspberry Pi Zero W 2 as an I2C Slave. Trying to implement some of the solutions using bsc_xfer in this forum, I simply cannot get any data back and forth to the ...
3 votes
1 answer
2k views

how to get touchscreen coordinates

I'm using waveshare 5 inch HDMI touchscreen on my raspberry pi , I need a python code to determine the X,Y coordinates of touched point. Do you have any idea ?
1 vote
1 answer
434 views

How to save screen configuration?

I have a RPi 4 with 2 monitors running the latest version of Rasbian. For a few months, upon startup, the monitors have been mirrored where I would like them to act as one larger combined screen. I ...
0 votes
1 answer
30 views

Raspbian started lagging, tried to reboot and now stuck on a black screen with a blinking cursor

Momentarily shows the Raspberry Pi splash screen then sits on a black screen with a blinking cursor. I've checked the SD card on Window using Paragon software and SD card is almost full. I dont know ...

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