Top "Raspberry-pi" questions

The Raspberry Pi is a small, inexpensive ARM-based PC device.

I just installed Ubuntu 20.04 LTS whats the default password?

This is a Raspberry pi 3 b+ running Ubuntu 20.04 LTS 32bit (I downloaded from here) and the screen says: Ubuntu 20.04 ubuntu …

ubuntu raspberry-pi raspberry-pi3 ubuntu-20.04
Python GPIO code for DHT 11 temperature sensor fails in PI 2

I am facing issues running DHT 11 temperature sensor in PI 2 with Python2.7 GPIO 0.5.11. I am referring to http://www.uugear.…

python-2.7 raspberry-pi raspberry-pi2
Calling app from subprocess.call with arguments

I'm a beginner in Python, and I've been trying to call a command line app, but it fails: >>&…

python process python-2.6 raspberry-pi
How to run a C program with no OS on the Raspberry Pi?

I'd like to experiment using the Raspberry Pi for some different low level embedded applications. The only problem is that, …

c arm embedded raspberry-pi low-level
Makefile:160: recipe for target 'all' failed

Guys am trying to install opencv 3.3.1 on Raspbian stretch Noobs on Pi model B I am following this tutorial. But …

ubuntu raspberry-pi raspbian qpython3 opencv3.3
C program a button to perform a task once when pressed (latch)

I am relatively new to c and the Raspberry Pi and am trying simple programs. What I would like is …

c button raspberry-pi debouncing
Bluetoothctl set passkey

I have a Raspberry Pi 2 running Raspbian kernel 4.1.15 and Bluez version 5.23. I want to be able to connect a device (…

linux bluetooth raspberry-pi
getting error on Supervison on supervisorctl ERROR (no such process)

I've seen this question asked before, but none of the solutions have worked for me. I'm having problems using the …

linux raspberry-pi supervisord
How to run Flask Server in the background

I have set up Flask on my Rapsberry Pi and I am using it for the sole purpose of acting …

python flask raspberry-pi
ValueError: The channel sent is invalid on a Raspberry Pi - Controlling GPIO Pin 2 (BOARD) using Python causes Error

So I have a tiny little fan connected to pin 6(Ground) and pin 2. I am trying to manually start and …

python raspberry-pi raspbian gpio