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

LiquidCrystal_I2C lcd(0x27,16,2);
RTC_DS1307 RTC;
DateTime baca_rtc;

int buzzer=11;
Servo myservo;
int relay_1=2;
int relay_2=3;

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

  pinMode(relay_1,OUTPUT); 
  digitalWrite(relay_1,LOW); //relay mati
  pinMode(relay_2,OUTPUT); 
  digitalWrite(relay_2,LOW); //relay mati
  
  pinMode(buzzer,OUTPUT);
  digitalWrite(buzzer,LOW);
  myservo.attach(10);
  myservo.write(0); //tutup katup

  lcd.setCursor(4,0);
  lcd.print("Project");
  lcd.setCursor(2,1);
  lcd.print("Jam Digital");
  delay(1000);
  lcd.clear();
}

void loop() {
Display_RTC(); 

int alarm_jam_1=12;
int alarm_menit_1=29;
int alarm_jam_2=12;
int alarm_menit_2=30;

if(baca_rtc.hour() == alarm_jam_1 && baca_rtc.minute() == alarm_menit_1){
  tone(buzzer,1000);
  myservo.write(180); //katup terbuka
  digitalWrite(relay_1,HIGH);
  delay(3000); //1000

  while(baca_rtc.hour() == alarm_jam_1 && baca_rtc.minute() == alarm_menit_1) {
    Display_RTC(); 
    noTone(buzzer);
    myservo.write(0); //katup tertutup
    digitalWrite(relay_1,LOW);
  }
}

else if(baca_rtc.hour() == alarm_jam_2 && baca_rtc.minute() == alarm_menit_2){
  tone(buzzer,1000);
  myservo.write(180); //katup terbuka
  digitalWrite(relay_2,HIGH);
  delay(3000); //1000

  while(baca_rtc.hour() == alarm_jam_2 && baca_rtc.minute() == alarm_menit_2) {
     Display_RTC();
    noTone(buzzer);
    myservo.write(0); //katup tertutup
    digitalWrite(relay_2,LOW);
  }
}

else {
  noTone(buzzer);
  myservo.write(0); //katup tertutup
  digitalWrite(relay_1,LOW);
  digitalWrite(relay_2,LOW);
  
} 
  delay(10);
}

void Display_RTC(){
 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(" ");
}