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

LiquidCrystal_I2C lcd(0x27, 16, 2);
RTC_DS1307 rtc;

#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

void setup () {
  Serial.begin(57600);
  dht.begin();
  lcd.init();
  lcd.backlight();

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

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

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

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

  float t = dht.readTemperature();
  lcd.setCursor(10, 0);
  lcd.print(t, 1);

  lcd.setCursor(0, 1);
  if (now.day() < 10) lcd.print("0");
  lcd.print(now.day());
  lcd.print("/");
  if (now.month() < 10) lcd.print("0");
  lcd.print(now.month());
  lcd.print("/");
  lcd.print(now.year());

  delay(1000);
}