#include <OneWire.h>
#include <DallasTemperature.h>

#define ONE_WIRE_BUS 2
#define RELAY_PIN 8
#define BATAS_SUHU 30.0  // Batas suhu dalam °C

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

void setup() {
  Serial.begin(9600);
  sensors.begin();
  pinMode(RELAY_PIN, OUTPUT);
  digitalWrite(RELAY_PIN, LOW); // Pastikan relay mati saat awal
}

void loop() {
  sensors.requestTemperatures();
  float suhu = sensors.getTempCByIndex(0);

  Serial.print("Suhu: ");
  Serial.print(suhu);
  Serial.println(" °C");

  if (suhu >= BATAS_SUHU) {
    digitalWrite(RELAY_PIN, HIGH); // Hidupkan kipas
    Serial.println("Kipas MENYALA");
  } else {
    digitalWrite(RELAY_PIN, LOW); // Matikan kipas
    Serial.println("Kipas MATI");
  }

  delay(2000);
}