An Arduino Uno relay module controls high-power devices by switching electrical circuits on or off. It's commonly used for home automation, industrial automation, and controlling lights, motors ...

By using an Arduino Uno and a single-channel relay module, you can control high-voltage or high-power devices, such as lights, motors, and appliances, from your computer or mobile device. In this blog ...

The relay module will need 5V from Arduino to power up and will get input from four different digital pins of the Arduino. Now let’s connect the relay module to your home appliance. Take the positive ...

This Arduino UNO project involves using a SIM800H module for power surveillance and sending SMS alerts in case of a power outage or restoration. ... The hardware connections are straightforward, with ...

The author’s prototype is shown in Fig. 1 and circuit diagram of a rectifier using Arduino Uno is shown in Fig. 2. This circuit is built around Arduino Uno, centre-tap transformer X1, two diodes, a ...