#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#include <RTClib.h>
#include <LCDBigNumbers.h>


DHT dht(2, DHT22);
LiquidCrystal_I2C lcd(0x27, 20, 4);
RTC_DS1307 rtc;

boolean temp = false;
boolean time = false;
char daysOfTheWeek[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};

void setup() {
Serial.begin(9600);
dht.begin();
lcd.init();   lcd.backlight();
if (! rtc.begin()) {
  Serial.println("Couldn't find RTC");  Serial.flush(); abort();
}
pinMode(13,INPUT_PULLUP); pinMode(12,INPUT_PULLUP);
pinMode(11,INPUT_PULLUP); pinMode(10,INPUT_PULLUP);
pinMode(9,INPUT_PULLUP);
}
void loop() {

if(digitalRead(13)==LOW) temp = true;
if(digitalRead(12)==LOW) time = true;

while(temp){ 
  float h = dht.readHumidity();   float t = dht.readTemperature();    float f = dht.readTemperature(true);
  float hic = dht.computeHeatIndex(t, h, false);
  lcd.print(F("Humidity:    "));  lcd.print(h);    lcd.print(F(" %"));  lcd.setCursor(0,1);
  lcd.print(F("Temperature: "));  lcd.print(t);    lcd.print(F(" C"));  lcd.setCursor(0,2); 
  lcd.print(F("Heat index:  "));  lcd.print(hic);  lcd.print(F(" C"));
  if(digitalRead(12)==LOW) {time = true; temp = false;}
  delay(125);
  lcd.clear();
  }

while(time){  
  DateTime now = rtc.now();   
  lcd.print(now.hour(), DEC);  lcd.print(F(":"));  lcd.print(now.minute(), DEC);  lcd.print(F(":"));  lcd.print(now.second(), DEC); lcd.setCursor(0,3);
  lcd.print(F("(")); lcd.print(daysOfTheWeek[now.dayOfTheWeek()]);  lcd.print(F(") "));
  lcd.print(now.year(), DEC);  lcd.print(F("/"));  lcd.print(now.month(), DEC);   lcd.print(F("/"));  lcd.print(now.day(), DEC);   
  delay(125);
  if(digitalRead(13)==LOW) {temp = true; time = false;}
  lcd.clear();
  }
}