#include <Wire.h>
#include <LiquidCrystal.h>
#include <OneWire.h>
#include <DallasTemperature.h>

// Pin definitions
#define ONE_WIRE_BUS 2

// Initialize the LCD library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

// Setup a oneWire instance to communicate with any OneWire devices
OneWire oneWire(ONE_WIRE_BUS);

// Pass the oneWire reference to Dallas Temperature.
DallasTemperature sensors(&oneWire);

void setup() {
  // Start the LCD
  lcd.begin(16, 2);
  lcd.print("Temperature:");

  // Start the DS18B20 sensor
  sensors.begin();
}

void loop() {
  // Request temperature from the DS18B20 sensor
  sensors.requestTemperatures();

  // Get the temperature in Celsius
  float temperatureC = sensors.getTempCByIndex(0);

  // Display temperature on LCD
  lcd.setCursor(0, 1); // Move cursor to the second line
  lcd.print("Temp: ");
  lcd.print(temperatureC);
  lcd.print(" C");

  // Wait 1 second before taking another reading
  delay(1000);
}