Wokwi - Online ESP32, STM32, Arduino Simulator

#include <WiFi.h>
#include <WebServer.h>
#include <DHT.h>
#include <Ultrasonic.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";

WebServer server(80);

#define DHTPIN 2   // Pin yang terhubung ke DHT11
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
Ultrasonic ultrasonic(12, 13); // Pin Trigger dan Echo Ultrasonik

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");

  server.on("/", HTTP_GET, handleRoot);
  server.on("/ledon", HTTP_GET, handleLEDOn);
  server.on("/ledoff", HTTP_GET, handleLEDOff);
  server.on("/relayon", HTTP_GET, handleRelayOn);
  server.on("/relayoff", HTTP_GET, handleRelayOff);

  dht.begin();
  server.begin();
}

void loop() {
  server.handleClient();

  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  float distance = ultrasonic.read();
  
  Serial.print("Temperature: ");
  Serial.println(temperature);
  Serial.print("Humidity: ");
  Serial.println(humidity);
  Serial.print("Distance: ");
  Serial.println(distance);
  delay(1000);
}

void handleRoot() {
  String html = "<html><body>";
  html += "<h1>ESP32 Web Server</h1>";
  html += "<p>Temperature: " + String(dht.readTemperature()) + " &deg;C</p>";
  html += "<p>Humidity: " + String(dht.readHumidity()) + " %</p>";
  html += "<p>Distance: " + String(ultrasonic.read()) + " cm</p>";
  html += "<p><a href='/ledon'>Turn LED On</a></p>";
  html += "<p><a href='/ledoff'>Turn LED Off</a></p>";
  html += "<p><a href='/relayon'>Turn Relay On</a></p>";
  html += "<p><a href='/relayoff'>Turn Relay Off</a></p>";
  html += "</body></html>";

  server.send(200, "text/html", html);
}

void handleLEDOn() {
  // Kontrol LED untuk menyala di sini
  server.send(200, "text/plain", "LED turned on");
}

void handleLEDOff() {
  // Kontrol LED untuk mati di sini
  server.send(200, "text/plain", "LED turned off");
}

void handleRelayOn() {
  // Kontrol Relay untuk menyala di sini
  server.send(200, "text/plain", "Relay turned on");
}

void handleRelayOff() {
  // Kontrol Relay untuk mati di sini
  server.send(200, "text/plain", "Relay turned off");
}