#define SENSOR_PIN 2
#define LED_PIN 13
#define BUZZER_PIN 12

void setup() {
  pinMode(SENSOR_PIN, INPUT_PULLUP);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  
  Serial.begin(9600); // initialize the serial monitor
}

void loop() {
  int sensorValue = digitalRead(SENSOR_PIN);

  if(sensorValue == LOW) { // If the "fingerprint" is recognized
    digitalWrite(LED_PIN, HIGH); // Unlock the "door"
    digitalWrite(BUZZER_PIN, HIGH); // Sound the buzzer
    Serial.println("Door Unlocked");
    delay(5000); // Keep the "door" unlocked for 5 seconds
    digitalWrite(LED_PIN, LOW); // Lock the "door" again
    digitalWrite(BUZZER_PIN, LOW); // Turn off the buzzer
    Serial.println("Door Locked");
  }

  delay(1000); // Wait for 1 second
}