 void setup() {
   Serial.begin(9600, SERIAL_8O1);
   pinMode(ledPin, OUTPUT);
+
+  DDRB = DDRB | B00110000;
 }
 
 void loop() {

  byte header = createHeader(comReturn);
  byte returnMessage[4] = { header, dataID, (byte)(value >> 8), (byte)value };

  Serial.write(returnMessage, 4);
}

void handleDataChange(byte dataType, int value) {
  if (dataType == 1){
    ledValue = value == 0 ? LOW : HIGH;
    digitalWrite(ledPin, ledValue);
  }
}




byte handshakeMessage[] = { B00000101, 0x0, 0x0, 0x10 };

byte productID[] = { 0x0, 0x0, 0x1 };

int ledPin = 13;

