#include <Servo.h>

const int pirPin = 2;  // Pin sensor PIR terhubung ke pin digital 2
Servo myservo;          // Objek Servo
int angle = 0;          // Sudut awal servo

void setup() {
  pinMode(pirPin, INPUT);
  myservo.attach(9);     // Servo terhubung ke pin digital 9
  Serial.begin(9600);
}

void loop() {
  int motionState = digitalRead(pirPin);

  if (motionState == HIGH) {
    Serial.println("Gerakan terdeteksi!");
    for (angle = 0; angle <= 180; angle += 5) {
      myservo.write(angle);
      delay(15);
    }
    delay(1000);
    for (angle = 180; angle >= 0; angle -= 5) {
      myservo.write(angle);
      delay(15);
    }
  } else {
    Serial.println("Tidak ada gerakan.");
  }

  delay(500);
}