#include "DHT.h"
#define DHTPIN 2      
#define DHTTYPE DHT22 
#define BUZZER 0 
DHT dht(DHTPIN, DHTTYPE);

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

void loop() {
  delay(2000); 

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

  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Gagal membaca sensor DHT22!");
    return;
  }

  Serial.print("Kelembaban: ");
  Serial.print(humidity);
  Serial.print("%\t");
  Serial.print("Suhu: ");
  Serial.print(temperature);
  Serial.println("°C");

 
  if (temperature >= 40) {
    tone(BUZZER, 1000); 
  } else {
    noTone(BUZZER); 
  }
}