Overview

Single Relay Module with Optocouple isolation.

Features

• Operating voltage is +5V.

• A power LED and a relay status LED

• With mounting hole

Pin Definition:

• 1. DC+ : Connect to +5V.

• 2. DC- : Connect to Gnd.

• 3. IN : Control pin. HIGH to turn-on relay, LOW to turn-off relay.(Depen on Jumper) Driving current must > 4mA.

How to use Single Relay Module