#define BLYNK_TEMPLATE_ID "TMPL6229MRu3-"
#define BLYNK_TEMPLATE_NAME "tugasIoT"
#define BLYNK_AUTH_TOKEN "-3pa9Va7sVH6Ai1-qXlFhBbmnkU3JicD"


#define BLYNK_PRINT Serial
// definisi pin DHT
#define DHTPIN 22
#define DHTTYPE DHT22

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
// memasukkan library DHT
#include <DHT.h>
// memasukkan library LCD I2C
#include <LiquidCrystal_I2C.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; // Change your Wifi/ Hotspot Name
char pass[] = "";           // Change your Wifi/ Hotspot Password

DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(0x27, 16, 2); // Ganti 0x27 dengan alamat I2C yang sesuai
const int analogPin = A0;
const float BETA = 3950; // Seharusnya sesuai dengan Koefisien Beta dari termistor
const int buzzerPin = 13;

#define GREEN 12
#define fire 23
#define RED 14
#define buzzer 13
int fire_Val = 0;

BlynkTimer timer;

WidgetLED led(V1);

void setup()
{
    Serial.begin(9600);
    pinMode(buzzerPin, OUTPUT);

    lcd.init();
    lcd.backlight();
    lcd.begin(16, 2); // Sesuaikan dengan jumlah kolom dan baris layar LCD Anda
    lcd.clear();

    pinMode(GREEN, OUTPUT);
    pinMode(fire, INPUT);
    pinMode(RED, OUTPUT);

    Blynk.begin(auth, ssid, pass); // Splash screen delay
    delay(2000);
    timer.setInterval(500L, mySensor);
}

void loop() // Loop function
{
    Blynk.run();
    timer.run();
}

void mySensor()
{
  // put your main code here, to run repeatedly:
  //membaca nilai suhu
  float t = dht.readTemperature();
  //membaca nilai kelembapan
  float h = dht.readHumidity();
  //menampilkan nilai suhu I2C
  lcd.setCursor(0,0);
  lcd.print("temp. = ");
  lcd.print(t);
  lcd.print((char)223);
  lcd.print('C');
  //menampilkan nilai kelembapan pada LCD I2C
  lcd.setCursor(0,1);
  lcd.print("humid. = ");
  lcd.print(h);
  lcd.print("%");

    Serial.print("Suhu : ");
    Serial.println(t);
    delay(1000);
    Serial.print("humid : ");
    Serial.println(h);
    delay(1000); // this speeds up the simulation

    if (t > 32)
    {
        tone(buzzerPin, 100, 1000);
        delay(500);
        lcd.setCursor(0, 1);
        lcd.print("Kebakaran!!!");
    }
    else
    {
        digitalWrite(buzzerPin, LOW);
        lcd.setCursor(0, 1);
        lcd.print("Aman");
    }
    Blynk.virtualWrite(V0, t); // Kirim data suhu ke widget di Blynk (gunakan pin V1 atau sesuaikan dengan pin yang Anda tentukan di aplikasi Blynk)

    delay(1000);
  fire_Val = digitalRead(fire);

  if (fire_Val == LOW)
  {
    Serial.println("Fire in the House");
   
    Blynk.logEvent("fire_alert", "Fire Detected");
    digitalWrite(GREEN, LOW);
    digitalWrite(RED, HIGH);
    digitalWrite(buzzer, HIGH);
    Blynk.virtualWrite(V0, 1);
    Serial.print("Fire Level: ");
    Serial.println(fire_Val);
    led.on();
  }
  else
  {
    digitalWrite(GREEN, HIGH);
    digitalWrite(RED, LOW);
    digitalWrite(buzzer, LOW);
    Blynk.virtualWrite(V0, 0);
    Serial.print("Fire Level: ");
    Serial.println(fire_Val);
    led.off();
  }
}