#define LedPin 13
#define InputPin 15
int pirstate = LOW;
int val = 0;

void setup() {
  pinMode(LedPin, OUTPUT);
  pinMode(InputPin, INPUT);

  Serial.begin(9600);
}

void loop() {
  val = digitalRead(InputPin);
  if(val==HIGH){
    digitalWrite(LedPin, HIGH);
    if(pirstate==LOW){
        Serial.println("Gerakan terdeteksi");
    }
    pirstate = HIGH;

  }
  else{
    digitalWrite(LedPin,LOW);
    if(pirstate==HIGH){
      Serial.println("Tidak ada gerakan");
    }
    pirstate =LOW;
  }
  
}