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Questions tagged [raspbian]

Raspbian is a GNU/Linux operating system derived from Debian. Version numbering follows that of Debian and the current stable is 9 (Stretch). Raspbian is the most widely used Pi based distro and the one recommended by the Foundation, who distribute their own images of it.

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Raspberry Pi Model B for a Wireless AP: nl80211 driver initialization failed

I'm trying to setup my Raspberry Pi Model B to act as a standalone Wireless AP using a Ralink MT7601U Wireless Adapter. However, starting hostapd presents me with this error. pi@raspberrypi:~ $ sudo ...
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49 views

How to execute Python code in Raspberry Pi from an Android phone?

My Android phone is connected to the Raspberry Pi via Wi-Fi. Is there a way to execute a Python code (with arguments) from smartphone to Pi?
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21 views

Checking Voltage Level at GPIO Pin Program

I’m trying to write a program that will loop through 3 GPIO pins connected to an external charging pad and see if a device has been placed on the pad (high voltage). If high signal is detected the ...
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2answers
34 views

/dev/fb0 is the wrong resolution

I noticed that when I plug my raspberry PI 3B+ into my monitor fbset reports this: mode "1824x984" geometry 1824 984 1824 984 32 timings 0 0 0 0 0 0 0 rgba 8/16,8/8,8/0,8/24 endmode This ...
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3answers
239 views

Self-balancing robot using Raspberry 3b+

I have built a self balancing robot using raspberry pi 3b+. I am not able to reduce the response time. Hence, the robot doesn't balance properly. I am using MPU 6050, 150rpm 12V DC motor. I checked ...
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38 views

Meaning of output from 'ps -aef | grep python3'

When I enter this command, ps -aef | grep python3 I get the following message pi 828 1 0 12:06 ? 00:00:08 /usr/bin/python3 /home/pi/hs110-data-collect.py pi 5079 863 1 ...
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0answers
18 views

Local autostart file is missing, general autostart file throws error, direct execution of file goes well

I try to make a script startup via an autostart file. But I run into two problems which I do not understand. Why am I missing the ~/.config/lxsession directory. It is just a fresh raspbian ...
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21 views

Raspberry pi node: error while loading shared libraries: libl.so.6: cannot open shared object file: No such file or directory

I have a raspberry pi 3 which has been running a node JS script using PM2 for 6 months without issues . However yesterday it stoped working and gives me the following error : node: error while ...
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1answer
23 views

How to restore SSH session after network failure on client PC [duplicate]

Sometimes my SSH session of my PC and Raspberry Pi is aborted, due to some network issues, eg. WIFI disconnected and connected back on PC. After that SSH client on PC (Putty) is saying that existing ...
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2answers
103 views

Backup Raspberry Pi without empty space on macOS

I've got an issue with making the backup from microSD 16GB card. My Raspbian installation takes up 2GB and the other space is empty. When I tried to use dd on my MacBook, I've got an image with 15....
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1answer
41 views

Several serial ports with c++

Trying to work on Raspberry Pi 3, Model B V1.2 with several serial ports with C++ code. Previously I should say that when I use only one ports everything works like a charm, so ports configuration is ...
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1answer
56 views

I can't change pin value

I've been with my new Raspberry for a month and it worked perfectly but today the pins have stopped working. I have tried many ways to put them with value 1 but for more I try not change them from 0. ...
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1answer
29 views

Pi 2: External HDD Randomly goes into Read Only File System Mode

I've a raspberry pi 2bplus and I've installed the latest Raspbian strectch on it. I've connected External HardDrive to the pi. I'm running into a really weird problem that doesn't make sense to me ...
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1answer
78 views

Running a Python script as a service file on boot

I have a Python script (that works) set up and I want to run it automatically every time the Raspberry Pi is on. I have read that I need to create a unit file and I have done so, but whenever I try ...
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22 views

Installing “Testing” version of a package on stable Stretch

I recently made a seedbox with Transmission 2.92, which is the latest stable package update on Raspbian, but the tracker I use only accepts Transmission 2.93 and up. I went to the package page for ...
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1answer
45 views

Creating A Website

ok so, I have everything correct I think for port forwarding but the issue is that my pi (Raspberry pi 2B running RetroPie add-on on top of the regular Debian OS) is not opening the port that I have ...
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1answer
33 views

Is it possible to revive GPIO 18 pin? [duplicate]

I guess it (pin 18) got burned after me accidentally connecting it to the 12V of the led strip and not the data pin, while the RPI ground and 12V ground were connected too. I used pigpiod, gpiotest ...
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2answers
65 views

Camera with speed sensor on raspberry pi? [closed]

im useing raspberry pi 3 with ultrasonic sensor and normal usb camera . so i will connect the raspberry pi to AZURE IOT HUB so ive setted the ultrasonic sensor in a place so if any car pass that place ...
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34 views

Undefined TERM on freshly installed Raspbian Stretch

I have a weird problem. Just finished a fresh install of 2018-11-13-raspbian-stretch.img (Raspbian Stretch with desktop) on Raspberry Pi 2 Model B V1.1 Did the pre-configuration, passed through ...
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1answer
32 views

Why doesn't dist-upgrade upgrade to stretch?

I have an old Model B+ (I found out by checking this page – my hardware revision code is 0010), which I'm trying to upgrade to the latest Raspbian. I take it from the answers to this question that it ...
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1answer
72 views

How to get Raspberry Pi 3 & Android device to communicate with each other, and authenticate?

In an Android app that we created for a project (a step-counter fitness tracker), we require user authentication to access the user's data in Firebase. Same goes for the Python program in the ...
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2answers
75 views

hostapd doesent work anymore

I was running hostapd and it worked fine but i had to reinstall the os and copied the config but now it gives me some problems. First of all hostapd was masked, then i unmasked it and tried to start ...
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1answer
57 views

Iot hub and rasberry pi [closed]

im makeing project but new in codeing , i want to connect cctv camera and ultra sonic sensor so if someone disobey the rule the camera will capture a photo and send it to online database and from the ...
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1answer
64 views

Installing Raspbian from NOOBS without a keyboard, mouse and display

I have a RPI 0 W, a 8GB Micro sd card with NOOBS on it. I want to install the Raspbian on RPI 0 W. Is it possible to do so with the help of my laptop? If yes, how should I proceed? If not, what else ...
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5answers
285 views

Stream Raspberry Pi camera to Android/iOS over internet

Problem : I want make live stream from my camera attached to Raspberry pi 3 b+, which is connected to home WiFi. Streaming should be over internet. So that any client like Android/ iOS can stream it ...
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2answers
32 views

How do I identify the boot time in the logs?

Sometimes when my headless Pi Zero W hangs or goes offline without coming back, I hard reset it by disconnecting the power cable and reconnecting it. I'm trying to look for clues in /var/log/syslog ...
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1answer
51 views

Using RTC on Raspberry Pi Zero while SDA/SCL pins are occupied

I have a portable project on my Raspberry Pi Zero and I am using a i2c 0.96" OLED on the SDA/SCL pins on my Raspberry Pi. I would like to add a RTC Module to my project, but all of the tutorials I ...
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0answers
20 views

Error during onoff installation

I run the sudo npm install onoff -g command and this error was displayed NOTE: I'm following the tutorial from blynk's own site
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1answer
27 views

Multiple /media/user/SETTINGS* directories yet only one partition

I am running Raspbian Stretch on a Pi 3 B+. One thing I noticed is that I have more /media/user/SETTINGS* than actual partitions. See, I have 3 directories: $ ls -la total 17 drwxr-x---+ 5 root root ...
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1answer
28 views

RASPBERRY PI 3 B+ internet access problem

A static Ip has been given for my raspberry pi from my company. That means if a connected to my office wifi network in anytime, the ip is 172.16.100.13 I have not changed anything in my Pi. Any ...
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1answer
54 views

Raspberry pi3 model B+ connect to wifi but no internet

I have connected my raspberry pi 3 (running Raspbian) to my company's wifi network. It has connected to wifi, but there is no internet access. I cannot ping also. I did following modification in my /...
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1answer
37 views

Mirror Windows Screen to RPi 3B+

i want to mirror my Windows 10 Desktop to my Raspberry Pi. If possible real time but a little delay is alright. I want to be able to watch Netflix on it but i dont want to install Kodi or any other ...
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1answer
43 views

Problem with auto pair a Bluetooth device

https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/simple-agent I tried the Above Python script but getting a dialogue box 'Pairing Requested'. How to remove that dialogue box?
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2answers
29 views

update-command-not-found gives « KeyError: 'rpi' » after upgrading to Rapsbian Buster (testing)

I just updated my Raspbian to Buster (testing) by editing /etc/apt/sources.list and replacing all stretch with buster and doing apt update && apt dist-upgrade. Now apt update always shows an ...
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0answers
24 views

Raspian Reset because of Widevine for libreelec

i just had to reset my Raspian Image on my SD Card because it wasnt booting up. The only thing it showed me for hours was a blackscreen. Im using Berryboot to start Raspian 2018, LibreELEC 9.0 and ...
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2answers
48 views

Turn off visible light from camera IR lamps?

I have a Raspberry Pi IR camera with 2 attachable IR lamps. I am not sure if it is the same but it looks very similar to the Waveshare unit mentioned here frequently, eg in this question. The goal ...
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21 views

Unable login after editing etc/environment

After install DotNet Core, I set environment variables in the file etc/environment export DOTNET_ROOT=$HOME/dotnet export PATH=$PATH:$HOME/dotnet looking have system wide access to these tools I ...
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0answers
34 views

Trying to configure two USB drives for Samba server, permissions allow access to one but not the other on PC?

On my raspberry pi 3 that has Samba and Ntfs-3g running Raspian I have two USB drives mounted to two folders (from lsblk) Then I have added the following code to the bottom of the samba configure ...
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1answer
67 views

Media + Torrent box on Raspberry pi 3 B+

I want to make my Raspberry Pi 3 B+ a media & torrent box. In addition, I don't want to connect it to the TV - so I want the media to be shared via SAMBA or similar, control the pi through SSH ...
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1answer
62 views

add-apt-repository does not work

I am trying to install Atom text editor on my Raspberry Pi 3 B+ with Raspbian as OS. I would like to install it via a package manager using the following commands (instructions found here): sudo add-...
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1answer
30 views

LiPo Voltage Drops

I am experiencing voltage drops with the following setup and I hope someone with mad electronics skills can explain my mistake to me: Raspberry Pi 3 Model B TFP401 Display Driver 7.0 Inch TFT Display ...
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0answers
16 views

How do I stabilize Raspberry Pi-3 Restarts on Inverter Change Over

I power my house with 2.4KVA Inverter while the Inverter is connected to the AC 230V Mains together with 1200Watts Solar panel. I experience steady power supply except for when ever The AC Power goes ...
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1answer
21 views

I made a mistake and i now have node_modules in a node module [closed]

So yeah, as you can see from the image i messed up, i tried to move it using sudo mv -v node_modules1/* ~/node_modules/ but got "Directory not empty" errors. I also tried using --force
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1answer
54 views

how to run this python script in Raspberry pi 3 on startup? [duplicate]

how to run this python script in Raspberry pi 3 on startup? import webbrowser webbrowser.open("https://d2rfgtg6ekc16k.cloudfront.net/wige/5c512141d5450c07a8957a05/hd-copied.mp4") or any solution ...
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0answers
29 views

how to install Azure IoT Hub Device Client SDK python on Raspberry PI 3 B+

I am using Raspberry PI 3 B+ with Raspberrian stretch os. How to install Azure IoT Hub Device Client SDK python on Raspberry PI 3 B+
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1answer
52 views

Neither sudo apt-get upgrade nor sudo apt-get install vim working

I just started Raspberry pi and was ordered to get vim installed. However whenever I run sudo apt-get install vim I get the following errors: Err:1 http://raspbian.raspberrypi.org/raspbian ...
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1answer
40 views

PXE - reboot if nfs root fail

I have a full working PXE server and multiple Raspberry Pi 3b+ running on read only. My problem come from an issue we can face anytime, a connection loss. If we lose connection with the NFS server, ...
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2answers
75 views

AWUS036AC (rtl8812au) – ›Association request to the driver failed‹ after restarting wpa_supplicant.service

I am using an AWUS036AC wifi dongle to connect to the internet. I installed the drivers following this instructions. When I restart my wpa_supplicant@INTERFACE.service I get this error message: ...
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1answer
42 views

Raspberry Pi IR camera light sensor access

I am trying to use the light sensors on the the raspberry pi IR camera as a light sensor to determine if light is exposed or not. Is there a python picamera command that could access these light ...
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2answers
41 views

Auto-connect to saved network after stopping and starting wpa_supplicant.service

Board: Raspberry Pi 3 B+ OS: Raspian Stretch (with desktop and recommended software) 2018-11-13 I'm building an application that requires me to temporarily disable the wpa_supplicant service, while ...