#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <RTClib.h>
RTC_DS3231 rtc;
LiquidCrystal_I2C lcd(0x27,16,2); 
const int ACruangTengah = 10;
const int ACKamarTidur = 9;

void setup() {
  
  lcd.init(); 
  lcd.backlight();
  rtc.begin();

  pinMode(ACruangTengah, OUTPUT);
  pinMode(ACKamarTidur, OUTPUT);
  rtc.adjust(DateTime(2023, 12, 15, 19, 0, 0));
}

void loop() {
  DateTime now = rtc.now();
  lcd.setCursor(0, 0);
  lcd.print("Tgl : ");  lcd.print(now.day()); lcd.print("/"); lcd.print(now.month()); lcd.print("/"); lcd.print(now.year());
  lcd.setCursor(0,1); 
  lcd.print("Jam : "); lcd.print(now.hour()); lcd.print(":"); lcd.print(now.minute()); lcd.print(":"); lcd.print(now.second());

  if (now.hour() >= 19 && now.minute() >= 0 && now.second() >= 0) 
  {
    digitalWrite(ACruangTengah, HIGH);
    digitalWrite(ACKamarTidur, HIGH);
  } else if (now.hour() >= 6 && now.minute() >= 0) {
    digitalWrite(ACruangTengah, LOW);
    digitalWrite(ACKamarTidur, LOW);
    }

  
}