#include <LiquidCrystal_I2C.h>
#include <RTClib.h>
#include <Servo.h>

LiquidCrystal_I2C lcd(0x27,16,2); 
RTC_DS1307 RTC;
//RTC_DS3231 RTC;
 
 const int buzzer=11; 
 const int relay=9; 

 Servo servo1; 

void setup() {
lcd.init();
lcd.backlight();
RTC.begin();
pinMode(buzzer, OUTPUT);
pinMode(relay, OUTPUT);
digitalWrite(relay, HIGH); 
servo1.attach(10); 
servo1.write(0); 
lcd.setCursor(4,0);
lcd.print("Project");
lcd.setCursor(3,1);
lcd.print("Pakan Ikan");
delay(3000);
lcd.clear();

}

void loop() {
  //tone(buzzer,500);
  //digitalWrite(buzzer, HIGH);
  DateTime baca_rtc = RTC.now();
  tampilan_utama();

  int alarm_jam_pagi=8;
  int alarm_menit_pagi=0;
  int alarm_jam_sore=18;
  int alarm_menit_sore=15;

  if (baca_rtc.hour() == alarm_jam_pagi && baca_rtc.minute() == alarm_menit_pagi)
{
  tone(buzzer,500);
  servo1.write(180); 
  digitalWrite(relay, LOW); 
  lcd.setCursor(0,1);
  lcd.print("Waktunya Makan");
  delay(3000);
  lcd.clear();
  while (baca_rtc.hour() == alarm_jam_pagi && baca_rtc.minute()== alarm_menit_pagi)
  {
    tampilan_utama();
    noTone(buzzer);
    servo1.write(0); 
    digitalWrite(relay, HIGH);
  }
}
else if (baca_rtc.hour() == alarm_jam_sore && baca_rtc.minute() == alarm_menit_sore)
{
  tone(buzzer,500);
    servo1.write(180); 
    digitalWrite(relay, LOW); 
    lcd.setCursor(0,1);
    lcd.print("Waktunya Makan");
    delay(3000);
    lcd.clear();
    while (baca_rtc.hour() == alarm_jam_sore && baca_rtc.minute()== alarm_menit_sore)
    {
      tampilan_utama();
      noTone(buzzer);
      servo1.write(0); 
      digitalWrite(relay, HIGH);
    }
    }
  else
  {
    noTone(buzzer);
    servo1.write(0); //Katup Tertutup
    digitalWrite(relay, HIGH);
  }
}

void tampilan_utama()
{
  DateTime baca_rtc = RTC.now();
  lcd.setCursor(0,0);
  lcd.print("DATE: ");
  lcd.print(baca_rtc.year());
  lcd.print("/");
  lcd.print(baca_rtc.month());
  lcd.print("/");
  lcd.print(baca_rtc.day());
  lcd.setCursor(0,1);
  lcd.print("TIME: ");
  lcd.print(baca_rtc.hour());
  lcd.print("/");
  lcd.print(baca_rtc.minute());
  lcd.print("/");
  lcd.print(baca_rtc.second());
  lcd.print(" ");
}