const int LEDPin = 13; // pin for the LED
const int PIRPin = 2; // input pin (for PIR sensor)
int pirState = LOW; // start no movement
int val = 0; // state of the pin
int led = 13;

void setup()
{
pinMode(LEDPin, OUTPUT);
  pinMode(PIRPin, INPUT);
  Serial.begin(9600);
  pinMode (led, OUTPUT);
}
void loop()
{
  val = digitalRead(PIRPin);
  if (val == HIGH)
  {
    digitalWrite(LEDPin, HIGH);  //LED ON
    if (pirState == LOW)
    {
      Serial.println("Sensor activated");
      pirState = HIGH;
      digitalWrite(led, HIGH);
    }
  }
  else
  {
    digitalWrite(LEDPin, LOW); // LED OFF
    if (pirState == HIGH)
    {
      Serial.println("Sensor deactivated");
      pirState = LOW;
    }
  }
}