#include <Arduino.h>

const int ledPin = 13;
const int buzzerPin = 12;


const int correctPIN = 1234;

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3, 0);
  lcd.print("BUZZER MENYALA");
  lcd.setCursor(2, 1);
  lcd.print("LED MENYALA");
  lcd.setCursor(0, 2);
  lcd.print("DZAKIYYA NAJDATUL");
  lcd.setCursor(2, 3);
  lcd.print("RAMEYZA");
  delay(200);
  }


void loop() {
  int enteredPIN = 0;

if (enteredPIN == correctPIN) {
  digitalWrite(ledPin, HIGH);
  digitalWrite(buzzerPin, LOW);
  delay(1000);
  digitalWrite(ledPin, LOW);
} else {
  for (int i = 0; i < 30; i++) {
   digitalWrite(ledPin, HIGH);
   digitalWrite(buzzerPin, HIGH);
   delay(300);
   digitalWrite(ledPin, LOW);
   digitalWrite(buzzerPin, LOW);
   delay(300);
  }
}
}