ledblinking.ino 



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// name the pins
int ledPin = D2;
void setup()
{
    //Register our Particle function here
   Particle.function("led", ledControl);
   // Configure the pins to be outputs
   pinMode(ledPin, OUTPUT);
   // Initialize both the LEDs to be OFF
   digitalWrite(ledPin, LOW);
}
void loop()
{
   // Nothing to do here
}
int ledControl(String command)
{
   int state = LOW;
   // find out the state of the led
   if(command == "HIGH"){
       for(int i = 0; i < 3; i++){
           digitalWrite(ledPin, HIGH);
           delay(1000);
           digitalWrite(ledPin, LOW);
           delay(1000);
       }
   }else if(command == "LOW"){ 
       state = LOW;
   }else{
       return -1;
   }
   // write to the appropriate pin
   digitalWrite(ledPin, state);
   return 1;
}
Ready.Last Event: particle/device/updates/pending = false Yang_Argon  v1.5.2