Sample Code

//Arduino Sample Code

//www.DFRobot.com

//Last modified on 14th March 2012 by HJS

//This code has been updated to work with the sample code provided in the Wik

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int Relay = 3;

void setup()

{

pinMode(13, OUTPUT);

//Set Pin13 as output

digitalWrite(13, HIGH);

//Set Pin13 High

pinMode(Relay, OUTPUT);

//Set Pin3 as output

}

void loop()

{

digitalWrite(Relay, HIGH);

//Turn off relay

delay(2000);

digitalWrite(Relay, LOW);

//Turn on relay

delay(2000);

}

Result

Every two seconds, LED will be turned on and off.

 

 

 

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