#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // Alamat LCD I2C dan ukuran (sesuaikan)
const int IRProximity1 = 2; // Pin untuk Sensor IR Proximity 1
const int buzzerPin = 3; // Pin untuk Active Buzzer

int halanganCount1 = 0;

void setup() {
  pinMode(IRProximity1, INPUT);
  pinMode(buzzerPin, OUTPUT);
  
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Selamat Datang");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Masukkan 3 Coin");
}

void loop() {
  int irValue1 = digitalRead(IRProximity1);

  if (irValue1 == LOW) {
    halanganCount1++;
    lcd.clear();
    lcd.setCursor(0, 0);
    if (halanganCount1 == 3) {
      lcd.print("Berhasil");
      lcd.setCursor(0, 1);
      lcd.print("Masukkan Coin");
    } else {
      lcd.print("Gagal");
      lcd.setCursor(0, 1);
      lcd.print("Masukkan Coin");
    }
    
    // Bunyikan buzzer
    tone(buzzerPin, 1000, 1000);
    delay(1000);
    noTone(buzzerPin);
    
    // Tunggu sebentar sebelum mengulang
    delay(2000);
    
    // Reset halanganCount1
    halanganCount1 = 0;
  }
}