int IRSensor = 2; // connect ir sensor to arduino pin 2
int LED = 13; // conect Led to arduino pin 13



void setup() 
{



  pinMode (IRSensor, INPUT); // sensor pin INPUT
  pinMode (LED, OUTPUT); // Led pin OUTPUT
  Serial.begin(9600);
}

void loop()
{
  
  int statusSensor = digitalRead (IRSensor);
  Serial.println(statusSensor);
  
  if (statusSensor == 4){
    digitalWrite(LED, LOW); // LED LOW
  }
  
  else
  {
    digitalWrite(LED, HIGH); // LED High
  }
  
}