#include <Servo.h>

Servo lockServo;  // Create a servo object
int unlockAngle = 90;  // Angle to unlock the door
int lockAngle = 0;     // Angle to lock the door
int buttonPin = 2;     // Pin for the button
int ledPin = 13;       // Pin for the LED
bool locked = true;    // Initial lock state

void setup() {
  lockServo.attach(9); // Attach the servo to pin 9
  pinMode(buttonPin, INPUT_PULLUP); // Set button pin as input with internal pull-up resistor
  pinMode(ledPin, OUTPUT); // Set LED pin as output
  digitalWrite(ledPin, LOW); // Turn off LED initially
}

void loop() {
  // Check if the button is pressed
  if (digitalRead(buttonPin) == LOW) {
    // Toggle lock state
    locked = !locked;
    
    // Actuate the servo motor accordingly
    if (locked) {
      lockServo.write(lockAngle); // Lock the door
      digitalWrite(ledPin, LOW);  // Turn off LED
    } else {
      lockServo.write(unlockAngle); // Unlock the door
      digitalWrite(ledPin, HIGH);   // Turn on LED
    }
    
    // Add a delay to avoid multiple rapid button presses
    delay(500);
  }
}