//controlling LED from Cloud
// declare a variable and load it with value
int ledPin = D2;

void setup() {
    pinMode(ledPin, OUTPUT);
    digitalWrite(ledPin, LOW);
    Particle.function("led", ledControl);
}

void loop() {
}

int ledControl(String command)
{
   int state = LOW;
   if(command =="HIGH"){
       state = HIGH;
   }else if(command == "LOW"){
       state = LOW;
   }else{
	   return -1;
   }
   
   digitalWrite(ledPin, state);
   return 1;
}