int IRSensor =9; 
int LED =13;

void setup() {
 Serial.begin(115200); //Init serial at 115200 Baud Rate.
 Serial.println("Serial Working"); // Test to check if serial is working or not

 pinMode(IRSensor, INPUT); // IR Sensor pin Input 
 pinMode(LED, OUTPUT); // LED pin out

}

void loop()
{
  int sensorStatus = digitalRead(IRSensor);
  if(sensorStatus == 1)
  {
    // if the pin is high turn off the onboard Led 
    digitalWrite(LED,HIGH); // LED LOW

    Serial.println("Motion Detected!");
    delay(1000);
  }
  else {
    // else turn on the onboard LED
    digitalWrite(LED, LOW); //LED High
    Serial.println("Motion Ended!"); // printMotion Ended! onthe serialmonitor window
    delay(1000);
  }

  }