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Home » raspberry-pi

Tag: raspberry-pi

Python script with numpy in dockerfile on Raspberry PI – libf77blas.so.3 error

Python April 14, 2021

I want to run a Docker container on my Raspberry PI 2 with a Python script that uses numpy. For this I have the following Dockerfile: FROM python:3.7 COPY numpy_script.py / RUN pip install numpy CMD […

How do i get cefpython3 on Raspberry pi 3 A+

Python April 14, 2021

Trying to get cefpython3 installed on raspberry pi 3 A+, but I’m getting a little bit lost in all of the download / build directions. simply using pip install cefpython3=66.0 doesnt seem to cut it. I …

Rouge Task in 3rd party library hanging the main thread and causing strange behaviour. How can I detect the hang and retry safely? C#

C# March 14, 2021

I am working in a C# console application with a 3rd party library and awaiting a Task that the 3rd party library is running. I’ve used Async await “all the way down”. The full details of the …

Raspberry Pi cannot find module “ezsheets”

Python January 19, 2021

I have a Python script that uses telethon.sync and ezsheets, and it works well using Python 3 on my PC. When I try to run it on my Raspberry Pi, it says that it cannot find either module, even though …

RaspberryPi with Python: How to stop Servo and Start again

Python July 2, 2019

When i stop the servo after an action and want to start it again the servo is moving strange. The servo seems to move out of range. import RPi.GPIO as GPIO import time GPIO.setup(17, GPIO.OUT) p = …

Error when automating type option via xdotool

Shell Script February 23, 2018

I want to open Chromium browser and then open a couple of web pages, let’s say “google.com”, and “stackexchange.com”. My code for the same is below. #!/bin/bash #website 1 chromium-browser xdotool …

How to get the wifi working with r8188eu driver on my raspberry pi?

Linux October 24, 2017

Hy there, I am having problem in connecting my raspberry pi to a wifi dongle. I have followed a lot of tutorials from internet but no success so far. My WIFI dongle can scan the networks but it’s not …

What is the easiest way to detect key presses in python 3 on a linux machine?

Python December 28, 2015

Right now I’m trying to make a small code with a raspberry pi and and a makey makey. The makey makey is a small board that acts as a usb keyboard when certain contacts are powered. My question is what …

Read value of a pin on raspberry pi in java

Shell Script August 12, 2014

I work on a project now, and I need to read the value of a pin on raspberry pi in java. I works with a light sensor. Depending on its value, when it is day, I do nothing, and if it is night, I need …

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