Instructions

25/06/2015 DFRduinoBeginnerKitForArduinoV3SKU:DFR0100RobotWiki
http://www.dfrobot.com/wiki/index.php/DFRduino_Beginner_Kit_For_Arduino_V3_SKU:DFR0100 18/23
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digitalWrite(relayPin,relayState);

//savethereading.Nexttimethroughtheloop,
//it'llbethelastButtonState:
lastButtonState=reading;
}
14.InfraredcontrolledLight