#define PIR_PIN 27
#define LED_PIN 26
#define BUZZER_PIN 25

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

  Serial.begin(115200);
  Serial.println("🏠 Home Security System Activated");
}

void loop() {
  int motion = digitalRead(PIR_PIN);

  if (motion == HIGH) {
    digitalWrite(LED_PIN, HIGH);
    digitalWrite(BUZZER_PIN, HIGH);
    Serial.println("🚨 Motion Detected! Intruder Alert!");
    delay(1000);
  } else {
    digitalWrite(LED_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);
    Serial.println("😴 No Motion. Area Secure.");
    delay(500);
  }
}