#include <LiquidCrystal_I2C.h>
#include <OneWire.h>
#include <DallasTemperature.h>

const int  SENSOR_PIN = 13;

OneWire oneWire(SENSOR_PIN);
DallasTemperature Sensors(&oneWire);
LiquidCrystal_I2C lcd(0x27, 20, 4);
float tempCelsius;

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();
  Sensors.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
  Sensors.requestTemperatures();
  tempCelsius = Sensors.getTempCByIndex(0);

  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Temperature:   ");
  lcd.setCursor(0,2);
  lcd.print(tempCelsius);
  lcd.print((char)223);
  delay(5000);
}