#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Servo.h>
#include "RTClib.h"
#define pinServoMakanan 32
RTC_DS1307 rtc;

LiquidCrystal_I2C lcd(0x3F, 16, 2);//coba juga 0x27
Servo servoMakanIkan;

char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

void setup() {
  Serial.begin(115200);
  servoMakanIkan.attach(32);
  servoMakanIkan.write(0);
  Wire.begin();
  rtc.begin();
  //DateTime dt(2020, 10, 17, 20, 03, 0, 7); // set tanggal dan waktu (format): tahun, bulan,tanggal, jam, menit, detik, hari (1=minggu, 7=sabtu)
  //rtc.setDateTime(dt);
   
  Wire.beginTransmission(0x3F);
  if (Wire.endTransmission())
  {
    lcd = LiquidCrystal_I2C(0x27, 16, 2);
  }
  lcd.init();
  lcd.backlight();
   
  lcd.print("Pakan Ikan Auto");
  lcd.setCursor(0, 3);
  lcd.print("  DEA REINATA ");
  delay(3000);
  lcd.clear();


}
void loop() {
DateTime now = rtc.now();

    Serial.print(now.year(), DEC);
    Serial.print('/');
    Serial.print(now.month(), DEC);
    Serial.print('/');
    Serial.print(now.day(), DEC);
    Serial.print(" (");
    Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
    Serial.print(") ");
    Serial.print(now.hour(), DEC);
    Serial.print(':');
    Serial.print(now.minute(), DEC);
    Serial.print(':');
    Serial.print(now.second(), DEC);
    Serial.println();

//rtc.convertTemperature(); 
    lcd.setCursor(12, 1);
    //lcd.print("T:");
    lcd.setCursor(13, 1);
    //lcd.print(now.temp(),DEC);//tampilan temperature 
    //lcd.print("C");
    lcd.setCursor(9, 0);
    lcd.println(daysOfTheWeek[now.dayOfTheWeek()]); //tampilan hari
    lcd.setCursor(0, 1);
    if(now.day()<10){
      lcd.print("0");
    }
    lcd.print(now.day(), DEC); // tanggal
    lcd.print("/");
    if(now.month()<10){
      lcd.print("0");
    }
    lcd.print(now.month(), DEC);//bulan 
    lcd.print("/");
    lcd.print(now.year(), DEC); //tahun

lcd.setCursor(0, 0);
    if(now.hour()<10){
      lcd.print("0");
    }
    lcd.print(String(now.hour()));
    lcd.print(":");
    if(now.minute()<10){
      lcd.print("0");
    }
    lcd.print(String(now.minute()));
    lcd.print(":");
    if(now.second()<10){
      lcd.print("0");
    }
    lcd.print(String(now.second()));

    //uint32_t epoch = now.get() % 86400;//hanya jam menit detik
   
    if ((now.hour()==20 && now.minute()==40 && now.second()==00) ||
    (now.hour()==20 && now.minute()==40 && now.second()==40)){
      lcd.clear();
      
     lcd.setCursor(0, 0);
       lcd.print("Waktunya Makan!!");
    // 2 KALI BUKA PAKAN , BISA DI KURANGIN/TAMBAH 
      servoMakanIkan.write(180);
      delay(1000);
      servoMakanIkan.write(90);
      delay(1000);     
      servoMakanIkan.write(180);
      delay(1000);
      servoMakanIkan.write(90);   
      delay(1000);
      lcd.clear();

    Serial.println();
    delay(3000);
}}