#include "DHT.h"
#include <Servo.h>
#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

Servo myservo; 
  


void setup() {
  Serial.begin(115200);
  Serial.println(F("DHT22 example!"));
  myservo.attach(11);
  dht.begin();

  lcd.init();
  lcd.backlight();
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  int temp_numer = 33;

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

  // condition after check value 
  if (temperature < 18){
    myservo.write(90);  
  }
  if (temperature > temp_numer){
    myservo.write(0);
  }

  // debug 
  Serial.print(F("Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));

  lcd.setCursor(1, 0);
  lcd.print("Temperature");
  lcd.setCursor(5, 1);
  lcd.print(temperature);

  // Wait a few seconds between measurements.
  delay(2000);

  

}