//Receive commands from App

//vars
string sgCommand;
unsigned int igUpdateTime;

void setup()
{
              Serial.begin(9600); // open serial port, set the baud rate to 9600 bps
         igUpdateTime = millis(); // loop timer
}

void loop()
{
         //Execute loop every 10 seconds
	     if((millis() - igUpdateTime) > 10000)
         {
               igUpdateTime = millis();

               if(Serial.available() > 0)
               {
                     sgCommand = Serial.read();

                     switch (sgCommand)
                     {

                       case "light on":
                                digitalWrite(5, HIGH);
                                break;

                       case "light off":
                                digitalWrite(5, LOW);
                                break;

                       case "fan on":
                                digitalWrite(6, HIGH);
                                break;

                       case "fan off":
                                digitalWrite(6, LOW);
                                break;

                       case "all on":
                                digitalWrite(5, HIGH);
                                digitalWrite(6, HIGH);
                                break;

                       case "all off":
                                digitalWrite(5, LOW);
                                digitalWrite(6, LOW);
                                break;
                     }
               }
         }
}