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

LiquidCrystal_I2C lcd(0x27,16,2);
RTC_DS1307 RTC;
Servo myservo;

int buzzer = 11;
int relay1 = 2;
int relay2 = 3;

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();

  RTC.begin();

  pinMode(buzzer, OUTPUT);
  digitalWrite(buzzer, LOW);

  pinMode(relay1, OUTPUT);
  digitalWrite(relay1, LOW);

  pinMode(relay2, OUTPUT);
  digitalWrite(relay2, LOW);

  myservo.attach(10);
  myservo.write(0);

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

void loop() {
  // put your main code here, to run repeatedly:
  DateTime baca_rtc = RTC.now();
  lcd.setCursor(0,0);
  lcd.print("DATE: ");
  lcd.print(baca_rtc.day());
  lcd.print("/");
  lcd.print(baca_rtc.month());
  lcd.print("/");
  lcd.print(baca_rtc.year());

  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());

  int alarm_jam = 11;
  int alarm_menit = 21;
  if(baca_rtc.hour() == alarm_jam && baca_rtc.minute() == alarm_menit) {
    tone(buzzer, 200);
    myservo.write(180);
    digitalWrite(relay1, HIGH);
    digitalWrite(relay2, HIGH);
    delay(5000);
    while (baca_rtc.hour() == alarm_jam && baca_rtc.minute() == alarm_menit) {
      noTone(buzzer);
      myservo.write(0);
      digitalWrite(relay1, LOW);
      digitalWrite(relay2, LOW);
      baca_waktu();
    }
  }
  else {
    noTone(buzzer);
    myservo.write(0);
    digitalWrite(relay1, LOW);
    digitalWrite(relay2, LOW);
  }
}

void baca_waktu() {
  DateTime baca_rtc = RTC.now();
  lcd.setCursor(0,0);
  lcd.print("DATE: ");
  lcd.print(baca_rtc.day());
  lcd.print("/");
  lcd.print(baca_rtc.month());
  lcd.print("/");
  lcd.print(baca_rtc.year());

  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());
}