Robo-Roach Code

const int motor = 9;
const int sensor = A5;
int sensorVal = 0;
int motorVal = 0;
void setup(){pinMode(motor, OUTPUT);
Serial.begin(9600);}
void loop(){
  sensorVal = analogRead(sensor);
  if (sensorVal >= 1010) //dark, full power
  {
    analogWrite(motor, 255);
  }
  else if (sensorVal <= 970) //light, stop
  {
    analogWrite(motor, 0);
  }
  else //fuzzy zone, move according to sensor readings
  {
    motorVal = map(sensorVal, 970, 1010, 0, 230);
    analogWrite(motor, motorVal);
  }

  Serial.print("sensor = " );
  Serial.print(sensorVal);
  Serial.print("\t output = ");
  Serial.println(motorVal);
}