const int dirPin = 2;
const int stepPin = 3;
const int stepsPerRevolution = 100;
const int eastLDR = A0;
const int westLDR = A1;

void setup() {
  Serial.begin(9600);
  pinMode(stepPin, OUTPUT);
  pinMode(dirPin, OUTPUT);
}

void loop() {
  int east = analogRead(eastLDR); //+ calibration;
  int west = analogRead(westLDR);
  int error = east - west;

  if (abs(error) <= 35 ) { // Stop if LDR readings are equal
    digitalWrite(dirPin, LOW);
    digitalWrite(stepPin, LOW);
   
  }

  if (abs(error) > 36 && east > west) { // Move right if east LDR is larger
    digitalWrite(dirPin, HIGH);

for(int x = 0; x < stepsPerRevolution; x++)
	{
   
		digitalWrite(stepPin, HIGH);
		delayMicroseconds(1000);
		digitalWrite(stepPin, LOW);
		delayMicroseconds(1000);
    Serial.println(x);
   
    if ( abs(error) <= 35 ){
      break;
    }
  }
  }
  

  else if (abs(error) > 36 && east < west) { // Move right if east LDR is larger
    digitalWrite(dirPin, LOW);

for(int x = 0; x < stepsPerRevolution; x++)
	{
		digitalWrite(stepPin, HIGH);
		delayMicroseconds(1000);
		digitalWrite(stepPin, LOW);
		delayMicroseconds(1000);
    Serial.println(x);
    if ( abs(error) <= 35 ){
      break;
    }
	}
  }
   

  
}