int IRSensor=2;
int LED=12;
void setup() {
  Serial.begin(9600);
  pinMode(IRSensor, INPUT);
  pinMode(LED, OUTPUT);
}

void loop() {
  int statusSensor = digitalRead(IRSensor);
  if(statusSensor == 1)
  {
    digitalWrite(LED, LOW);
    Serial.print("motion detected");
    delay(1000);
   }
   else
   {
     digitalWrite(LED, HIGH);
     Serial.print("motion not detected");
   delay(1000);
   }
  // put your main code here, to run repeatedly:

}