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

// Data wire is connected to Arduino digital pin 2
#define ONE_WIRE_BUS 7

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

// Pass oneWire reference to DallasTemperature library
DallasTemperature sensors(&oneWire);

// Initialize the LCD with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2); // Set up the LCD's number of columns and rows
  sensors.begin(); // Start communication with the DS18B20 sensor
}

void loop() {
  sensors.requestTemperatures(); // Request temperature readings from the sensor
  float temperatureC = sensors.getTempCByIndex(0.1); // Read temperature in Celsius
  // float temperatureC = (temperatureF - 32.0) * 5.0 / 9.0; // Convert Fahrenheit to Celsius
  lcd.clear(); // Clear the LCD display
  lcd.setCursor(0, 0); // Set cursor to the first column and first row
  lcd.print("Temp: ");
  lcd.print(temperatureC);
  lcd.print(" C");

  delay(1000); // Update every second
}