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.

Relay module for arduino. Contribute to iljuhas7/arduino-relay-module development by creating an account on GitHub.

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

We will use this Hall Effect mechanism to lock and unlock the door automatically. To learn more about Hall Sensor and its working, follow the link. Components Required Arduino Uno RFID-RC522 Module ...

In this study, a variety of environmental monitoring, the Arduino sensing value retrieved and transmitted using the XBee wireless signal transmission to the monitoring client computer, information and ...