#include <DHT.h>; // Library for DHT sensor
#include <LiquidCrystal_I2C.h> // Library for LCD display

// Constants
#define DHTPIN 2     // Pin connected to the DHT sensor
#define DHTTYPE DHT22   // Type of DHT sensor (DHT22)
DHT dht(DHTPIN, DHTTYPE); //// Initialise DHT sensor for normal 16mhz Arduino
LiquidCrystal_I2C lcd(0x27,16,2); // Initialise LCD display

// Variables
int chk;
float hum;  //Stores humidity value
float temp; //Stores temperature value

void setup()
{
  dht.begin(); // Initialise DHT sensor
  lcd.init(); // Initialise LCD display
  lcd.backlight(); // Turn on LCD backlight
}

void loop()
{
    delay(2000); // Delay for stability
    //Read data and store it to variables hum and temp
    hum = dht.readHumidity(); // Read humidity value
    temp= dht.readTemperature(); // Read temperature value
    lcd.setCursor(0,0); // Set cursor to first line of LCD
    //Print temp and humidity values to serial monitor
    lcd.print("Humidity: ");
    lcd.print(hum);
    lcd.print(" % ");
    lcd.setCursor(0,1); // Set cursor to second line of LCD
    lcd.print(" Temp: ");
    lcd.print(temp);
    lcd.println(" Celsius"); // Print temperature in Celsius
    delay(10000); // Delay 10 seconds
}