//RTC
#include "RTClib.h"
RTC_DS3231 rtc;
char daysOfTheWeek[7][12] = {"Ahad", "Senin", "Selasa", "Rabu", "Kamis", "Jum'at", "Sabtu"};
int tanggal, bulan, tahun, jam, menit, detik;
String hari;
float suhu;

//LCD
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

//SERVO
#include <Servo.h>
Servo mekanik;

void setup() {
  Serial.begin(9600);
  lcd.begin(16,2);

  //RTC
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    while (1) delay(10);
  }

  //LCD
  lcd.init();
  lcd.backlight();

  //SERVO
  mekanik.attach(4);
  mekanik.write(90);
}

void loop() {
  //RTC
  DateTime now = rtc.now();
  jam     = now.hour();
  menit   = now.minute();
  detik   = now.second();
  tanggal = now.day();
  bulan   = now.month();
  tahun   = now.year();
  hari    = daysOfTheWeek[now.dayOfTheWeek()];
  suhu    = rtc.getTemperature();

  lcd.setCursor(0, 0);
  lcd.print(String() + hari + "," + tanggal + "-" + bulan + "-" + tahun);
  lcd.setCursor(0, 1);
  lcd.print(String() + jam + ":" + menit + ":" + detik + " " + suhu + "°C ");
  delay(1000);

  //LCD
  Serial.println(String() + hari + ", " + tanggal + "-" + bulan + "-" + tahun);
  Serial.println(String() + jam + ":" + menit + ":" + detik);
  Serial.println(String() + "Suhu: " + suhu + " C");
  Serial.println();

  //KONDISI
  if ((jam == 9) && (menit == 49) && (detik == 1)) {
    sudah_saatnya(5);
  }
  if ((jam == 22) && (menit == 46) && (detik == 1)) {
    sudah_saatnya(5);
  }
}

void sudah_saatnya(int jumlah) {
  for (int i = 1; i <= jumlah; i++) {
    mekanik.write(0);
    delay(500);
    mekanik.write(90);
    delay(500);

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Maktu makan ygy");
    lcd.setCursor(0, 1);
    lcd.print("----------------");
  }
}