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

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

#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);


void setup() {
  Serial.begin(115200);
  //Serial.println(F("DHT22 example!")); //

  dht.begin();

  pinMode(LED_BUILTIN, OUTPUT);  // LED için

  //lcd.begin(16, 2); // LCD EKRAN İÇİN
  //lcd.print("Hello World!"); //
}

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

  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
}

  Serial.print(F("Nem: "));
  Serial.print(humidity);
  Serial.print(F("%  Sıcaklık: "));
  Serial.print(temperature);
  Serial.println(F("°C "));

 delay(1000);

if (temperature>=30) {
 digitalWrite(LED_BUILTIN, HIGH);  //LED için
 delay(1000);
 digitalWrite(LED_BUILTIN, LOW);
 delay(1000);
 }

lcd.begin(16, 2);
lcd.print("N:");
lcd.print(humidity);
lcd.print(" ");
lcd.print("S:");
lcd.print(temperature);

}