Relogio_RTC_Temperatura

#include <LiquidCrystal_I2C.h>
#include <DS3231.h>
#include <Wire.h>


LiquidCrystal_I2C lcd(0x38,  2, 1, 0, 7, 6, 5, 4, 3, POSITIVE);
DS3231  rtc(SDA, SCL);
Time  t;

//-------------------------------------
void setup() {
  Serial.begin(9600);
  rtc.begin();
  lcd.begin(16, 2);
  //The following lines can be uncommented to set the date and time
  //rtc.setDOW(WEDNESDAY);     // Set Day-of-Week to SUNDAY
  //rtc.setTime(8, 33,0 );     // Set the time to 12:00:00 (24hr format)
  //rtc.setDate(4, 10, 2016);   // Set the date to January 1st, 2014
}
//--------------------------------------------
void loop()
{

tempo();
}
//--------------------------------------
void tempo()
{
  // Get data from the DS3231
  t = rtc.getTime();
  // Send date over serial connection
  //Serial.print("Today is the ");

  if (t.date < 10) {
    lcd.setCursor(0, 0);
    lcd.print("0");
    lcd.print(t.date, DEC);
  }
  if (t.date >= 10) {
    lcd.setCursor(0, 0);
    lcd.print(t.date, DEC);
  }
  lcd.print("-");
  lcd.print(rtc.getMonthStr(FORMAT_SHORT));
  lcd.print("-");
  lcd.print(t.year, DEC);

  // Send Day-of-Week and time
  //Serial.print(t.dow, DEC);
  if (t.hour < 10) {
    lcd.setCursor(0, 1);
    lcd.print("0");
    lcd.print(t.hour, DEC);
  }
  if (t.hour >= 10) {
    lcd.setCursor(0, 1);
    lcd.print(t.hour, DEC);
  }
  lcd.print(":");
  if (t.min < 10) {
    lcd.setCursor(3, 1);
    lcd.print("0");
    lcd.print(t.min, DEC);
  }
  if (t.min >= 10) {
    lcd.setCursor(3, 1);
    lcd.print(t.min, DEC);
  }

  lcd.print(":");
  if (t.sec < 10) {
    lcd.setCursor(6, 1);
    lcd.print("0");
    lcd.print(t.sec, DEC);
  }
  if (t.sec >= 10) {
    lcd.setCursor(6, 1);
    lcd.print(t.sec, DEC);
  }
  lcd.setCursor(8, 1);
  lcd.print(" ");
  lcd.print(rtc.getTemp());
  lcd.println(" C");

  // Wait one second before repeating :)
  delay (1000);
}