const byte ledPin = 13; //internal led
const byte motionPin = 2; // pin signal sensor gerak dihubungkan
byte senseMotion = 0; //variable awal (deteksi gerak)

void setup() {
pinMode(ledPin, OUTPUT);
pinMode(motionPin, INPUT);
}

void loop() {
  senseMotion = digitalRead(motionPin); //membaca nilai sensor
  if (senseMotion == HIGH) { //jika terdektesi gerakan
  digitalWrite(ledPin, HIGH);
 delay(2000);
 } else { //jika tidak ada gerakan
 digitalWrite(ledPin, LOW);
 }

}