Sistem Keamanan Rumah Berbasis Arduino

#include <Arduino.h>

#define PIR_PIN 2
#define DOOR_PIN 3
#define BUZZER_PIN 4

// -------------------------------------------
// Program Pengembangan Sistem Keamanan Rumah Berbasis Arduino
// www.ardukode.blogspot.com
// -------------------------------------------

void setup() {
  pinMode(PIR_PIN, INPUT);
  pinMode(DOOR_PIN, INPUT);
  pinMode(BUZZER_PIN, OUTPUT);
}

void loop() {
  int pirState = digitalRead(PIR_PIN);
  int doorState = digitalRead(DOOR_PIN);

  if (pirState == HIGH || doorState == HIGH) {
    digitalWrite(BUZZER_PIN, HIGH);
    delay(1000);
    digitalWrite(BUZZER_PIN, LOW);
    delay(1000);
  }
}