#include "DHT.h"
#include "LiquidCrystal.h"

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
#define Andrew 4
#define Andrew2 13
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println(F("Meteostanice"));
  lcd.begin(16, 2);
  dht.begin();
  lcd.print("Vitejte");
  delay(2000);
  lcd.clear();
}
void loop() {
  float teplota = dht.readTemperature();
  float vlhkost = dht.readHumidity();
  // Check if any reads failed and exit early (to try again).
  if (isnan(teplota) || isnan(vlhkost)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  if (teplota > 21) {
  lcd.print("je tu horko");
  digitalWrite(Andrew, HIGH);
  digitalWrite(Andrew2, LOW);
  }

  if (teplota < 18) {
  lcd.print("je tu zima");
  digitalWrite (Andrew2, HIGH);
  digitalWrite(Andrew, LOW);
  }
  delay(3000);
  lcd.clear();
  lcd.print(F("Teplota: "));
  lcd.print(teplota);
  delay(3000);
  lcd.clear();

  Serial.print(F("Vlhkost: "));
  Serial.print(vlhkost);
  Serial.print(F("%  Teplota: "));
  Serial.print(teplota);
  Serial.println(F("°C "));

  // Wait a few seconds between measurements.
  delay(100);
}