#include <LiquidCrystal_I2C.h>

#include <DHT.h>

#define DHTPIN 2
#define DHTTYPE DHT22

LiquidCrystal_I2C lcd(0x27, 20, 4);
DHT dht(DHTPIN, DHTTYPE);

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

void loop() {
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Temperature: ");
  lcd.print(temp);
  lcd.print((char)223);
  lcd.print("C");
  lcd.setCursor(0, 2);
  lcd.print("Humidity : ");
  lcd.print(hum);
  lcd.print(" %");

  delay(2000);
}