   pinMode(prrPin, OUTPUT);
   pinMode(buttonPin, INPUT);
   pinMode(ledPin, OUTPUT);
+  pinMode(guideLaserPin, OUTPUT);
+  digitalWrite(guideLaserPin, HIGH);
   Serial.begin(9600);
 }
 

  // No end of line has been found, so return -1.
  return -1;
}

const byte prrPin = 31;
const byte buttonPin = A0;
const byte ledPin = 13;
const byte guideLaserPin = 29;

const byte powerLevel = 20;

const byte auxToPowerMillis = 100;
const byte powerToLatchMillis = 100;
