Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

This Arduino-based Pomodoro timer project also uses this 25-minute cycle. Once you push the button to start the timer, it will run for 25 minutes, display a count-up timer and a "Study time!" ...

This project focuses on PID-position-control experiments with Arduino. The HTML/JavaScript-based GUI enables easy optimization of the parameters. Since there are many articles on the internet about ...

The following project is an update of Gary D. Patterson’s “Simplified CTC signals” in the July 1988 issue of MR. Bringing the project up to date was a large endeavour. The block control project now ...

The Arduino Uno R4, with its enhanced features and capabilities, opens up a realm of new possibilities for hobbyists, educators, and innovators.

Arduino is a hobby that not only teaches you about programming, automation, and robotics, but also yields useful devices that can help in everyday life.

Arduino library for I2C LCD displays e.g. 20x4 . Contribute to RobTillaart/I2C_LCD development by creating an account on GitHub.