Explore two new Elektor Academy Pro STM32 programming courses, featuring MicroPython and Arduino, as part of the Embedded ...

All [Hannah Robertson]’s Birduino needs is for one to tap an NFC-enabled card to the reader, and the device plays one of the ...

A tiny board with a narrow job.

Build an Arduino-based ventilation controller that monitors room temperature and humidity and automatically switches a fan when preset limits are exceeded. A simple Arduino controller can automate ...

Learn how to interface a 5V relay module with Arduino Uno using a simple wiring diagram and beginner-friendly Arduino code. This tutorial ex Controlling high-voltage devices with a low-voltage ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

Arduino has certainly made its mark in the world of DIY electronics, providing an accessible platform for a wide range of creative and interactive projects. Known for its user-friendly hardware and ...

This is a DIY Arduino-based overcurrent relay project that emulates Inverse Definite Minimum Time (IDMT) protection using an Arduino Nano and ACS712 current sensor. Instead of traditional ...

The relay is driven using an NPN transistor (BC547), which allows a small control signal to safely switch a relay. This makes it possible to control electrical devices such as lamps, motors, or ...

After a 7-year corporate stint, Tanveer found his love for writing and tech too much to resist. An MBA in Marketing and the owner of a PC building business, he writes on PC hardware, technology, and ...

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 with an ESP8266 ESP-01 module. With ...