How to Check GPIO Status

How to check GPIO status

The GPIO (General Purpose Input/Output) pins of the Raspberry Pi are how the device can interface with external hardware components. It is how things like sensors and actuators plug into the Raspberry Pi, and allow users to control such devices from the Raspberry Pi itself. Something as simple as turning an LED on or off will require setting the pin to which it is plugged in to either true or false, which changes the current status of that pin.

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Creating and Managing Python Virtual Environments with virtualenv on Ubuntu/Debian

Managing Python projects can often lead to conflicts between dependencies and differing versions of packages. This is where virtualenv comes into play. Virtualenv is a tool that allows users to create isolated Python environments, ensuring that each project has its own dependencies and packages, independent of others. This tutorial will guide you through the steps to virtualenv create environment on Ubuntu/Debian Linux systems, providing a clean and controlled workspace for your Python projects.

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How to Install pip on Ubuntu 24.04

Installing pip, the Python package manager, on Ubuntu 24.04 is an essential step for Python developers and enthusiasts. This powerful tool simplifies the process of installing and managing Python packages and dependencies. Ubuntu 24.04, being a popular choice for developers, provides a straightforward way to install pip. In this article, we’ll guide you through the process, ensuring you have pip up and running efficiently on your Ubuntu system.

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Bash Scripting: How to Zip All Files in a Directory

In the world of Linux and Unix-like systems, bash scripting is a powerful tool for automating repetitive tasks, such as file compression. Zipping files using a bash script can significantly streamline your workflow, especially when dealing with routine backups, file transfers, or batch processing. This article will guide you through creating simple yet effective bash scripts to zip files and directories, incorporating arguments to make your script more versatile and adaptable to different situations.

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Mastering String Concatenation in Bash Scripting

String concatenation is a fundamental aspect of Bash scripting, allowing the combination of string literals, variables, and command outputs to form more complex strings. This capability is especially useful in loops, where dynamic string creation is often required. Whether you’re a beginner or an advanced user, understanding how to effectively concatenate strings in Bash is a valuable skill.

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How to get the Current Working Directory in Bash

Bash, or the Bourne Again SHell, is a powerful command line interpreter widely used in Unix and Linux systems. One of the fundamental concepts in shell scripting is the notion of the current working directory. This article is designed to provide a comprehensive understanding of this concept, suitable for beginners, and also includes examples for more advanced users.

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How to pass arguments in Bash script with examples

Bash scripting is a powerful tool for automating tasks on Unix-like systems. One of the fundamental aspects of bash scripting is handling command-line arguments and options. These enable scripts to be more flexible and interactive, allowing users to pass specific instructions or data to the script. This article aims to guide you from the basics to more advanced techniques of argument and option handling in Bash, suitable for a range of audiences from beginners to advanced users.

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Hello world in Rust on Linux

Hello world in Rust on Linux

The Rust programming language first appeared in 2015 and has rapidly risen in popularity over the years. As of late 2022, it has become officially supported in the development of the Linux kernel, alongside long time staples C and assembly. It is a general purpose language that can be suitable for many types of projects, with advantages like performance and memory safety.

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Python editors on Raspberry Pi

Python editors on Raspberry Pi

The Raspberry Pi can be an excellent choice for developers or hobbyist programmers as a small and lightweight workstation. Python is already installed by default on the Raspberry Pi, if you are running the default Raspberry Pi OS. Despite its small size, the Raspberry Pi contains hardware that is plenty sufficient to run a Python IDE so you can crank out your Python code. Unfortunately, some editors do not have ARM support, so our choices are slightly smaller on the Raspberry Pi.

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How to change Python versions on Raspberry Pi

How to change Python versions on Raspberry Pi

It is possible to have multiple versions of Python installed on the Raspberry Pi simultaneously. It is also simple enough to switch between the versions, which may come in handy for Python programmers that need to support a mix of legacy and modern Python code. Or, perhaps you want to try out a new beta or nightly Python build, without replacing the more stable copy you already have. In this tutorial, you will see how to change between various Python versions on the Raspberry Pi.

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