#include <DHT.h>

#define LED_PIN 2
#define DHT_PIN 15
#define DHT_TYPE DHT22
DHT dht(DHT_PIN, DHT_TYPE);

void setup() {
    pinMode(LED_PIN, OUTPUT);
    Serial.begin(115200);
    dht.begin();
}

void loop() {
    static unsigned long lastSensorReadTime = 0;
    
    if (millis() - lastSensorReadTime >= 5000) {
        lastSensorReadTime = millis();
        float temperature = dht.readTemperature();
        float humidity = dht.readHumidity();
        
        if (isnan(temperature) || isnan(humidity)) {
            Serial.println("Failed!");
            return;
        }
        
        Serial.print("Temperature: ");
        Serial.print(temperature);
        Serial.println(" °C");
        Serial.print("Humidity: ");
        Serial.print(humidity);
        Serial.println(" %");
        
        if (temperature > 25) {
            digitalWrite(LED_PIN, HIGH); // LED OFF
        } else {
            digitalWrite(LED_PIN, LOW); // LED ON
        }
    }
}