#include <DHT.h>

#define DHT_PIN 21
#define LED_PIN 22
#define BUZZER_PIN 23

#define DHT_TYPE DHT22

DHT dht(DHT_PIN, DHT_TYPE);

void setup() {
  Serial.begin(9600);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  dht.begin();
}

void loop() {
  float temperature = dht.readTemperature(); // Baca nilai suhu dalam derajat Celsius
  float humidity = dht.readHumidity(); // Baca nilai kelembaban relatif

  if (isnan(temperature) || isnan(humidity)) { // Cek apakah nilai suhu atau kelembaban valid
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

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

  // Atur kondisi untuk mengontrol lampu LED dan buzzer
  if (temperature > 70 || humidity > 80) { // Jika suhu > 70 °C atau kelembaban > 80%
    digitalWrite(LED_PIN, HIGH); // Nyalakan lampu LED
    digitalWrite(BUZZER_PIN, HIGH); // Nyalakan buzzer
  } else {
    digitalWrite(LED_PIN, LOW); // Matikan lampu LED
    digitalWrite(BUZZER_PIN, LOW); // Matikan buzzer
  }

  delay(1000); // Tunda pembacaan sensor selama 1 detik
}