#include <Wire.h>
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>
#define BUZZER_PIN A3 

RTC_DS3231 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2); // Alamat I2C untuk modul LCD, ubah sesuai dengan modul yang Anda miliki

void setup() {
  Serial.begin(9600);

  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  if (rtc.lostPower()) {
    Serial.println("RTC lost power, let's set the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  lcd.begin(16, 2);
  lcd.print("Waktu Sholat");

  pinMode(BUZZER_PIN, OUTPUT);
}

void loop() {
  DateTime now = rtc.now();
  int currentHour = now.hour();
  int currentMinute = now.minute();

  lcd.setCursor(0, 1);
  lcd.print("Waktu: ");
  lcd.print(now.timestamp(DateTime::TIMESTAMP_TIME));

  if (currentHour == 9 && currentMinute == 43) {
    bunyikanAlarm();
    lcd.clear();
    lcd.print("Waktu Sholat");
    delay(100); // Hindari bunyi alarm terus menerus
  }
  delay(1000); // Tunggu satu detik
}

void bunyikanAlarm() {
  tone(BUZZER_PIN, 1000); // Bunyikan alarm pada frekuensi 1000 Hz
  delay(1000);
  noTone(BUZZER_PIN);
  }