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

// Pin data untuk sensor DS18B20
#define ONE_WIRE_BUS 10

// Pin untuk LED
#define LED_HIJAU 2
#define LED_KUNING 3
#define LED_MERAH 4

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

void setup(void) {
  Serial.begin(115200);
  sensor.begin();
  
  // Inisialisasi pin LED sebagai output
  pinMode(LED_HIJAU, OUTPUT);
  pinMode(LED_KUNING, OUTPUT);
  pinMode(LED_MERAH, OUTPUT);
}

void loop(void) {
  sensor.requestTemperatures();
  float suhu = sensor.getTempCByIndex(0);
  Serial.print("Temperature is: ");
  Serial.println(suhu);
  
  if (suhu < 26) {
    digitalWrite(LED_HIJAU, HIGH);
    digitalWrite(LED_KUNING, LOW);
    digitalWrite(LED_MERAH, LOW);
    Serial.println("Dingin");
  } 
  else if (suhu >= 26 && suhu < 28) {
    digitalWrite(LED_HIJAU, LOW);
    digitalWrite(LED_KUNING, HIGH);
    digitalWrite(LED_MERAH, LOW);
    Serial.println("Normal");
  } 
  else if (suhu >= 28 && suhu < 30) {
    digitalWrite(LED_HIJAU, LOW);
    digitalWrite(LED_KUNING, LOW);
    digitalWrite(LED_MERAH, HIGH);
    Serial.println("Panas");
  } 
  else if (suhu >= 30) {
    digitalWrite(LED_HIJAU, LOW);
    digitalWrite(LED_KUNING, LOW);
    // LED merah berkedip
    digitalWrite(LED_MERAH, HIGH);
    delay(500);
    digitalWrite(LED_MERAH, LOW);
    delay(500);
    Serial.println("Panas Terik");
  }
  delay(1000);
}