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

#define DHTPIN A1
#define DHTTYPE DHT22

#define LED_PIN 13  

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2);
  lcd.print("Wokwi DT22 Test");
  delay(2000);
  lcd.clear();
  dht.begin();
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  delay(2000);

  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  if (isnan(humidity) || isnan(temperature)) {
    lcd.clear();
    lcd.print("Hata: Veri okunamıyor!");
    Serial.println("Sensör verileri okunamıyor!");
    return;
  }

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Humidity: ");
  lcd.print(humidity);
  lcd.print("%");
  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print("C");

  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print("%  Temp: ");
  Serial.print(temperature);
  Serial.println("°C");

  // Nem ve sıcaklık kontrolü
  if ((humidity < 55 || humidity > 60) || (temperature < 37.8 || temperature > 41)) {
    digitalWrite(LED_PIN, HIGH);  // LED'i yak
  } else {
    digitalWrite(LED_PIN, LOW);  // LED'i kapat
  }

  delay(2000);
}