Arduino 4 Channel Relay Module Board

The Arduino 4 Channel Relay Module Board is a versatile and reliable solution for controlling high-power devices with ease. This module features four relays, each capable of switching AC or DC loads, making it ideal for home automation, industrial control, and IoT applications.

Designed for seamless integration with Arduino and other microcontroller platforms, the board supports 5V input and provides optocoupler isolation for enhanced safety and performance. Use it to control appliances, motors, lights, or other devices with simple digital signals.