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

//Mendeklarasikan penggunaan RTC DS1307
#include "RTClib.h"
RTC_DS1307 rtc;
int jam, menit, detik, hari, tanggal, bulan, tahun;
 char temp[60];
 char temp2[33];
 char nama_hari[7][12] ={"Minggu","Senin", "Selasa", "Rabu", "Kamis","Jum'at", "Sabtu"};

//Mendeklarasikan LED
#define LED 2

//Mendeklarasikan DHT22
#include "DHT.h"
DHT dht (5, DHT22); 

void setup() {
  // tampilan LCD
  // put your setup code here, to run once:
   lcd.backlight();lcd.init();                 
   lcd.setCursor(0,0); lcd.print("LENI PUSPITASARI");
   lcd.setCursor(0,1); lcd.print("  SMKN 1 TAPAN  ");

 // Tampilan RTC
  rtc.begin();
  rtc.adjust(DateTime(2023,6,26,9,32,25));
  delay(2000); lcd.clear();
  
 // Tampilan LED
  pinMode(LED, OUTPUT);
  
//Menampilkan sensor DHT
  dht.begin();

}

void loop() {
  // put your main code here, to run repeatedly:
  //Menjalankan Sensor DHT
 int kelembaban=dht.readHumidity(); 
 float suhu=dht.readTemperature();
 
 
  DateTime now=rtc.now();
  jam=now.hour(); 
  menit=now.minute(); 
  detik=now.second();
  tanggal=now.day(); 
  bulan=now.month(); 
  tahun=now.year();
  hari=now.dayOfTheWeek();
  
  //Menampilkan hari, tanggal, bulan,dan Tahun pada LCD
 
  sprintf (temp,"JAM %02d:%02d:%02d WIB",jam,menit,detik);
  lcd.setCursor (0,1); lcd.print(temp);lcd.print("");
  if (detik<10){
  sprintf (temp,"%s,%02d,%02d,%d",nama_hari[hari],tanggal,bulan,tahun); 
  lcd.setCursor (0,0); lcd.print(temp); lcd.print("");
  }
  else
 lcd.setCursor (0,0); lcd.print("T="); lcd.print(suhu,0); lcd.write(0xdf); lcd.print("C ");
 lcd.print("H=");lcd.print(kelembaban); lcd.print("%    ");
  
  //Menjalankan LED
  if (detik>15) digitalWrite (LED, HIGH); //Lampu akan menyala jika lebih dari 15 detik
  else digitalWrite (LED, LOW);


}