#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#define DHTPIN 11
#define DHTTYPE DHT22
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);
}