Relay Module
SensorsIn Stock

Relay Module

1992105% OFF

Component Technical Specifications

A Relay Module acts as an electrically operated switch, allowing a low-power microcontroller to safely control high-voltage appliances like lamps, fans, or motors. It provides optical isolation, ensuring that the high-voltage side never leaks back into your sensitive control electronics.

Pinout Configuration

VCC/GNDPower supply (usually 5V).
INInput signal from the microcontroller.
COM (Common)The center terminal where you connect your main power source.
NO (Normally Open)The circuit is OFF until you trigger the relay.
NC (Normally Closed)The circuit is ON by default and turns OFF when triggered.

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