How to use a Potentiometer with Arduino

In the world of robotics and electronics, sensors and input devices play a crucial role in allowing machines to interact with their environment. Among the simplest and most versatile components is the potentiometer — an inexpensive and reliable device that allows manual voltage adjustment. 🔍 What is a Potentiometer? A potentiometer is a variable resistor […]

How to Control a Servo Motor with Arduino

Servo motors are widely used in robotics, automation, and RC models because they can move to specific angles with precision. In this tutorial, you’ll learn how to connect a servo motor to an Arduino Uno and control its position with simple code.  📝 Required Components 1× Arduino Uno 1× Servo Motor (like SG90 or MG90S) […]

How to Use an HC-SR04 Ultrasonic Sensor with Arduino

In this tutorial, you’ll learn how to connect and use an HC-SR04 ultrasonic sensor with an Arduino Uno board to measure the distance of an object in real time. Ultrasonic sensors are widely used in robotics, home automation, and security systems because they can detect objects and measure distances without any physical contact, using high-frequency […]

How to Completely Uninstall ROS2 from Ubuntu

This tutorial provides a step-by-step guide to completely uninstalling ROS2 from an Ubuntu system. It is intended for systems where ROS2 was installed via apt using the official binary installation method. Whether the goal is to switch to a different ROS2 distribution, reinstall from source, or simply remove ROS2 to clean up the development environment, […]

Installing ROS 2 Jazzy on Ubuntu 24.04: Step-by-Step Tutorial

If you’ve recently installed Ubuntu 24.04 and are ready to start working with robotics software, one of the first tools you’ll want to set up is ROS 2 Jazzy. This is the latest official version of the Robot Operating System 2 (ROS 2) tailored for Ubuntu 24.04. In this guide, you’ll learn exactly how to […]

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