#include <DHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define DHTPIN 22
#define DHTTYPE DHT22

#define LCD_I2C_ADDRESS 0x27

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(LCD_I2C_ADDRESS, 16, 2);

void setup() {
  Serial.begin(9600);
  dht.begin();
  lcd.begin();
  lcd.setCursor(0, 0);
  lcd.print("Do am: ");
}

void loop() {
  float humidity = dht.readHumidity();
  
  if (isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  
  lcd.setCursor(8, 0);
  lcd.print(humidity);
  lcd.print(" %");
  
  delay(2000);
}