int IRSensor = 9;
int LED = 13;

void setup()

{

  Serial.begin(115200);
  Serial.println("Serial Working");
  pinMode(IRSensor, INPUT);
  pinMode(LED, OUTPUT);
}

void loop()

{

  int sensorStatus = digitalRead(IRSensor);
  if (sensorStatus == 1)
  {

  digitalWrite(LED, LOW);
    Serial.println("Motion Ended!");

   else 

  {
    digitalWrite(LED, HIGH);
    Serial.println("Motion Detected!");
  }

}