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

#define DHTPIN 4
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
 dht.begin();// initialize the sensor
 lcd.backlight();// turn on lcd backlight
 lcd.init();// initialize lcd
}
void loop() {

// Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
  float f = dht.readTemperature(true);

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  //lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Teplota: ");
  //lcd.setCursor(9,0);
  lcd.print(t);
  if (t < 10) {lcd.print((char)223); lcd.print("C ");} else {lcd.print((char)223); lcd.print("C");} 

  lcd.setCursor(0,1);
  lcd.print("Vlhkost: ");
  //lcd.setCursor(9,1);
  lcd.print(h);
  if (h < 10) {lcd.print("% ");} else { lcd.print("%");}
 

}