// Kode token untuk koneksi ke Blynk
#define BLYNK_TEMPLATE_ID "TMPL6xUrlPgIV"
#define BLYNK_TEMPLATE_NAME "Quickstart Template"
#define BLYNK_AUTH_TOKEN "-azh4tDIfSfMlwSZAOoCWXvu-ckd4odO"

// Library yang digunakan
#include <DHT.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <Blynk.h> 
#include <Adafruit_Sensor.h>

#define DHTTYPE DHT22 
#define BLYNK_PRINT Serial
#define DHTPIN 14
DHT dht(DHTPIN, DHTTYPE);

int relay = 13;
int mq2 = 34;
int gassetpoint = 400;
int suhusetpoint = 30;

// Menyambungkan ke WiFi (wifii dan passwordnya diganti)
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
BlynkTimer timer;

void setup () {
  Serial.begin(115200);
  pinMode(mq2, INPUT);
  pinMode(relay, OUTPUT);

  // SUHU DAN BLYNK
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass); //Menginisiasi Blynk

  dht.begin();
 }

void loop () {
  Blynk.run();

  float t = dht.readTemperature();
  if (suhusetpoint > t)
  {
    Blynk.virtualWrite(V2, HIGH);
  }
  else
  {
    Blynk.virtualWrite(V2, LOW);
  }

  int gas = analogRead(mq2);
  Serial.print(mq2);

  if (gas > gassetpoint)
  {
    digitalWrite(relay, HIGH);
  }
  else
  {
    digitalWrite(relay, LOW);
  }
  
  Blynk.virtualWrite(V0, t);
  Blynk.virtualWrite(V1, gas);

  // LCD Display
  delay (1000);
}