#include <LiquidCrystal_I2C.h>

#include "DHT.h"

#define DHTPIN 2     // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  pinMode(DHTPIN, INPUT);
  lcd.init();
  lcd.backlight();
  dht.begin();
}

void loop() {
  delay(2000);
  lcd.setCursor(1, 0);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  if (isnan(h) || isnan(t)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  lcd.print("Humidity: ");
  lcd.print(h);
  lcd.setCursor(1, 1);
  lcd.print("Temperature: ");
  lcd.print(t);
  
  delay(100);
}