// Kode token untuk koneksi ke Blynk
#define BLYNK_TEMPLATE_ID "TMPL6y1hMjuyR"
#define BLYNK_TEMPLATE_NAME "Temperature"
char auth[] = "zWj7roe_KAg8ycidTkWQ0-_eweayJwaG";

// Library yang digunakan
#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

#define LED 2
#define BLYNK_PRINT Serial
const int DHT_PIN = 13;
DHT dhtSensor(DHT_PIN, DHT22);
LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);

// Menyambungkan ke WiFi
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
BlynkTimer timer;
float temperature, humidity; // Deklarasi variabel suhu dan kelembaban

void setup () {
  Serial.begin(115200);

  // SUHU DAN BLYNK
  Blynk.begin(auth, ssid, pass);
  dhtSensor.begin(); // Inisialisasi sensor DHT22
  pinMode(LED, OUTPUT);

  // MONITOR
  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);

  // Set the update interval for sending sensor data to Blynk
  timer.setInterval(2000L, sendSensor);
}

void loop () {
  Blynk.run();
  timer.run();

  // LCD Display
  LCD.clear();
  LCD.setCursor(0, 0);
  LCD.print("Temp: ");
  LCD.print(temperature);
  LCD.print("°C");
  LCD.setCursor(0, 1);
  LCD.print("Humidity: ");
  LCD.print(humidity);
  LCD.print("%");
  delay (2000);
}

void sendSensor() {
  temperature = dhtSensor.readTemperature(); // Baca suhu
  humidity = dhtSensor.readHumidity(); // Baca kelembaban

  Serial.print("Temp: ");
  Serial.print(temperature, 2);
  Serial.println("°C");
  Serial.print("Humidity: ");
  Serial.print(humidity, 1);
  Serial.println("%");
  Serial.println("---");
  
  Blynk.virtualWrite(V0, temperature); // Mengirim data suhu ke Virtual Pin V0 di Blynk Cloud
  Blynk.virtualWrite(V1, humidity);
  digitalWrite(LED, HIGH);
}