4CH Relay Module

4-Channel Relay Module – Independently controls up to four electrical devices using a microcontroller. Reliable Switching – Designed for controlling AC/DC loads such as lights, motors, pumps and fans. Microcontroller Compatible – Works with Arduino, ESP32, ESP8266, Raspberry Pi and other control boards. Easy Interface – Simple input pins make it convenient for DIY and automation projects. Perfect for IoT, Home Automation, Robotics & Industrial Control Applications.