#include <DHT.h>
#define DHTPIN 12    // Pin tempat Anda menyambungkan sensor DHT22
#define DHTTYPE DHT22   // Jenis sensor DHT
#define ANALOG_PIN 17  // Pin tempat Anda menyambungkan sensor NTC
#define LEDPIN 14
DHT dht(DHTPIN, DHTTYPE);

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

void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  float temperature_threshold = 24.0;
  
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print(" %\n");
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" *C");

   if (temperature > temperature_threshold) {
    digitalWrite(LEDPIN, HIGH);
    Serial.println("relay status ON.");
  } else {
    digitalWrite(LEDPIN, LOW);
    Serial.println("relay status OFF.");
  }
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor");
    return;
  }

  // Baca nilai dari sensor NTC
  int raw = analogRead(ANALOG_PIN);
  float voltage = raw * (3.3 / 4095.0); // Konversi nilai analog ke tegangan
  float temperature_ntc = (voltage - 0.5) * 100; // Konversi tegangan menjadi suhu dalam derajat Celsius

  Serial.print("NTC Temperature: ");
  Serial.print(temperature_ntc);
  Serial.println(" *C");
  Serial.print(" \n");
  delay(2000); // Delay 2 detik sebelum pembacaan berikutnya
}