Single Channel Relay Module (5V)

Single Channel Relay Module

The output contacts of a relay (including NO, NC, and the common port) works as a SPDT – Single Pole Double Throw switch. Its operating principle is as follow:

VCC—-5V,

GND—-for ground

IN1 connects to the control valve which output 3V-5V

Output contacts: connect to applications

Checkout Our Blog on Relay:
https://piees.blogspot.com/2020/05/single-relay-interfacing-with-arduino.html