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.

The Arduino Mega interfaces with a relay module to control high-power devices or circuits with low-power signals. This enables applications such as home automation, motor control, and switching ...

Components Required To build an RFID Door lock system, we will need a few essential components. Here is a simple list of what you will need to start. Arduino UNO R3 Development Board RC522 RFID Reader ...

The Arduino Nano, when paired with a relay module, allows control of high-power devices, enabling applications like home automation, industrial control, and robotics in various electronic projects.