#pragma config(CircuitBoardType, typeCktBoardUNO)
#pragma config(PluginCircuitBoard, typeShieldParallaxBoeBot)
#pragma config(Sensor, anlg0,  leftLight,      sensorReflection)
#pragma config(Sensor, anlg1,  rightLight,     sensorReflection)
#pragma config(Sensor, dgtl5,  led1,           sensorDigitalOut)
#pragma config(Sensor, dgtl6,  led2,           sensorDigitalOut)
#pragma config(Motor,  servo_10,        leftServo,     tmotorServoContinuousRotation, openLoop, IOPins, dgtl10, None)
#pragma config(Motor,  servo_11,        rightServo,    tmotorServoContinuousRotation, openLoop, reversed, IOPins, dgtl11, None)
//*!!Code automatically generated by 'ROBOTC' configuration wizard               !!*//

 task main()
{
  while(true)
  {
    int factor = 120; //This value worked for us however you might want to change it for your robot/flashlight intensity.
    int shadeDiff = ((SensorValue[rightLight] * factor) / (SensorValue[leftLight] + SensorValue[rightLight]) - (factor / 2)) * 2;
 
    motor[leftServo] = 20 + shadeDiff;
    motor[rightServo] = 20 - shadeDiff;
 
    //If the loop cycles too quickly, we get calculation errors. Therefore we regulate the speed by waiting a bit.
    wait1Msec(10);
  }
 
}

task main()
{
  while(true) //repeat indefinitely
  {
    //turn led1 on
    SensorValue[led1] = true;

    //turn led2 off
    SensorValue[led2] = false;

    //wait 1 second
    wait1Msec(300);

    //turn the led1 off
    SensorValue[led1] = false;

    //turn led2 on
    SensorValue[led2] = true;

    //wait 1 second
    wait1Msec(300);
  }
}