int fanPin = D2;

bool shouldActivate = false;

void setup()
{
  Particle.function( "activate", activateFan );
  pinMode(fanPin, OUTPUT);
}

void loop()
{
  if( shouldActivate ){
    doFan(  );
    shouldActivate = false;

  }
  delay( 100 );

}

void doFan(  ){
  for( int i = 0; i < 5; i++ )
  {
    digitalWrite(fanPin, HIGH);
    delay( 1000 ) ;
    digitalWrite(fanPin, LOW);
    delay( 1000 );
  }
}


int activateFan( String command ){
  shouldActivate = true;
  return 1;

}