#include <Wire.h>
#include "RTClib.h"
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

#define DHTPIN 2
#define DHTTYPE DHT22

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd (0x27, 20, 4);
DHT dht = DHT(DHTPIN, DHTTYPE);

char namaHari[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};

void setup () {
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  dht.begin();
  
  if (! rtc.begin()) {
    Serial.println("RTC TIDAK TERBACA");
    while (1);
  }

  if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }
}

void loop () {

  float suhu = dht.readTemperature();
  float hic = dht.computeHeatIndex(suhu, false);
  
  Serial.print("Temperature: ");
  Serial.print(suhu);
  Serial.print(" \xC2\xB0");
  Serial.print("C | ");
  Serial.println("  ");

lcd.setCursor(2, 0);
lcd.noAutoscroll();
lcd.print(suhu);
if (suhu < 20 ) {
      lcd.print("=Suhu Dingin");
  } 

  else if (suhu >= 20 && suhu <= 50 ) {
      lcd.print("=Suhu Biasa");
  }

  else if (suhu > 50){
      lcd.print("=Suhu Panas!!!");
  }

lcd.setCursor(0, 1);
lcd.scrollDisplayLeft();
    DateTime now = rtc.now();
    lcd.print(namaHari[now.dayOfTheWeek()]);  
    lcd.print(',');    
    lcd.print(now.day(), DEC);
    lcd.print('/');
    lcd.print(now.month(), DEC);
    lcd.print('/');
    lcd.print(now.year(), DEC);
    lcd.print(" ");   
    lcd.print(now.hour(), DEC);
    lcd.print(':');
    lcd.print(now.minute(), DEC);
    lcd.print(':');
    lcd.print(now.second(), DEC);
    lcd.println();
    delay(400);
}