The Relay Module is a versatile and reliable electronic switching device designed to control high-voltage AC or DC loads using low-voltage digital signals from microcontrollers like Arduino, ESP32, Raspberry Pi, and other embedded platforms. Featuring an electromagnetic relay mechanism, this module acts as an isolation interface between high-power circuits and sensitive microcontroller I/O pins, ensuring safe and effective load switching.

Equipped with an onboard transistor driver circuit, status LEDs, and terminal blocks for secure load connections, this module is ideal for automation systems, IoT projects, home appliance control, and industrial switching applications.