#define BLYNK_TEMPLATE_ID "TMPL6XDpWjwX4"
#define BLYNK_TEMPLATE_NAME "Monitoring dan Kontrol"
#define BLYNK_AUTH_TOKEN "lvtsBfIlnZ2ak4LC1PxUJJHrFH8h1Vkp"
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

#define DHTPIN 18       // Pin yang terhubung ke output sensor DHT22
#define DHTTYPE DHT22   // Tipe sensor DHT (DHT11, DHT22, DHT21)

#define LED_RED_PIN 13
#define LED_GREEN_PIN 12   
#define LED_YELLOW_PIN 14
#define BUZZER_PIN 4

DHT dht(DHTPIN, DHTTYPE);

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

void setup() {
  Serial.begin(9600);
  
  pinMode(LED_RED_PIN, OUTPUT);
  pinMode(LED_GREEN_PIN, OUTPUT);
  pinMode(LED_YELLOW_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

  dht.begin();
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
}

void loop() {
  delay(2000);

  float temperatureC = dht.readTemperature();
  float temperatureF = temperatureC * 9.0 / 5.0 + 32.0;
  float temperatureK = temperatureC + 273.15;

  if (isnan(temperatureC)) {
    Serial.println("Gagal membaca suhu!");
    return;
  }

  Serial.print("Suhu: ");
  Serial.println(temperatureC);

  if (temperatureC < 30) {
    digitalWrite(LED_GREEN_PIN, HIGH);
    digitalWrite(LED_RED_PIN, HIGH);
    digitalWrite(LED_YELLOW_PIN, HIGH);
    digitalWrite(BUZZER_PIN, LOW);
    Serial.println("Buzzer: Mati");
    Blynk.virtualWrite(V0, "NORMAL");
  } else if (temperatureC >= 30 && temperatureC < 36) {
    digitalWrite(LED_GREEN_PIN, HIGH);
    digitalWrite(LED_RED_PIN, HIGH);
    digitalWrite(LED_YELLOW_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);
    Serial.println("Buzzer: Mati");
    Blynk.virtualWrite(V0, "PERINGATAN");
  } else {
    digitalWrite(LED_GREEN_PIN, LOW);
    digitalWrite(LED_RED_PIN, HIGH);
    digitalWrite(LED_YELLOW_PIN, LOW);
    digitalWrite(BUZZER_PIN, HIGH);
    Serial.println("Buzzer: Nyala");
    Blynk.virtualWrite(V0, "BAHAYA");
  }
  Blynk.virtualWrite(V2, temperatureC);
  Blynk.virtualWrite(V3, temperatureF);
  Blynk.virtualWrite(V4, temperatureK);
}