Wokwi - Online ESP32, STM32, Arduino Simulator

#include <WiFi.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <DHT.h>

// Konfigurasi WiFi
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// Konfigurasi DHT
#define DHTPIN 35     // Pin yang terhubung dengan sensor DHT22
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Inisialisasi web server
AsyncWebServer server(80);

void setup() {
  // Memulai serial monitor
  Serial.begin(115200);

  // Memulai DHT sensor
  dht.begin();

  // Menghubungkan ke WiFi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");
  Serial.println(WiFi.localIP());

  // Menyiapkan route pada web server
  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
    float temperature = dht.readTemperature();
    float humidity = dht.readHumidity();

    if (isnan(temperature) || isnan(humidity)) {
      request->send(500, "text/plain", "Failed to read from DHT sensor");
      return;
    }

    String html = "<!DOCTYPE html><html><head><title>ESP32 Web Server</title></head><body>";
    html += "<h1>ESP32 DHT22 Web Server</h1>";
    html += "<p>Temperature: " + String(temperature) + " &deg;C</p>";
    html += "<p>Humidity: " + String(humidity) + " %</p>";
    html += "</body></html>";
    request->send(200, "text/html", html);
  });

  // Memulai web server
  server.begin();
}

void loop() {
  // Tidak perlu kode di loop karena kita menggunakan AsyncWebServer
}