#include <OneWire.h> 
#include <DallasTemperature.h>//
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2); 


#define ONE_WIRE_BUS 2
// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);


DallasTemperature sensors(&oneWire);

void setup() 
  {
  lcd.init();
  lcd.backlight();
  sensors.begin();
  }

void loop() 
{

  sensors.requestTemperatures(); 
  lcd.setCursor(0, 0);
  lcd.print(sensors.getTempCByIndex(0)); 
  lcd.print(" *C");
  delay(3000);
  }