// konfigurasi pin dan library 
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#include <Servo.h>

const int LED = 12;
const int BUT = 13;

Servo Servo1;
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  pinMode(LED, OUTPUT);
  pinMode(BUT, INPUT_PULLUP);
  Servo1.attach(11);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  digitalWrite(LED, HIGH);
  delay(500);
  digitalWrite(LED, LOW);

}

void loop() {
  int terdeteksi = digitalRead(BUT);
  
  if(terdeteksi == HIGH) {
    lcd.print("UN-LOCK");
    digitalWrite(LED, HIGH);
    Servo1.write(90);
  } else {
    lcd.print("LOCK");
    digitalWrite(LED, LOW);
    Servo1.write(0);
  }

}