CODE #3 (ISTE 2016)

int sensorTemp;

void setup() {
  Serial.begin(9600);
  //set up serial port

  pinMode(10, OUTPUT);
  //pin 10 is a PWM pin which can take steps from 0-255

   digitalWrite(10, LOW);
  //turn LED off
}

void loop() {

  sensorTemp = analogRead(A2);

  if (sensorTemp > 147) {
    digitalWrite(10, HIGH);
  }

  else if (sensorTemp <=147) {
     digitalWrite(10, LOW);
  }

  //Debug code
  Serial.print("Value: ");
  Serial.println(sensorTemp);
  delay(100);
}