#define PIR_PIN 27
#define LED_PIN 2
#define BUZZER_PIN 26

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

  Serial.begin(115200);
}

void loop() {
  if (digitalRead(PIR_PIN) == HIGH) {
    // Motion detected
    digitalWrite(LED_PIN, HIGH);
    digitalWrite(BUZZER_PIN, HIGH);
    Serial.println("🚨 Motion Detected!");
  } else {
    // No motion
    digitalWrite(LED_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);
    Serial.println("🟢 No Motion");
  }

  delay(300);
}