Wokwi - Online ESP32, STM32, Arduino Simulator

#include<WiFi.h>
#include<WiFiClient.h>
#include <WebServer.h>

const char* ssid = "Wokwi-GUEST"; 
const char* passwd = ""; 
const int led_indikator = 2;
WebServer server(80); 

const char MAIN_page[] PROGMEM = R"=====(
<!DOCTYPE html>
<html>
<body>
<center>
<h1>Uji coba IOT menggunakan NodeMCU ESP8266 oleh Budi Setiawan S1 TD kelas Alpha </h1><br>
</center>
</body>
</html>
)=====";


void handleRoot() {
 String s = MAIN_page; //Read HTML contents
 server.send(200, "text/html", s); //Send web page
}


void setup() {
  Serial.begin(115200);
  
  pinMode(led_indikator,OUTPUT);
  
  WiFi.begin(ssid, passwd);  
  while(WiFi.status() != WL_CONNECTED){

    delay(100);
    digitalWrite(led_indikator, LOW);
    delay(100);
    digitalWrite(led_indikator, HIGH);
    Serial.print(".");
   }
   digitalWrite(led_indikator, LOW);
   Serial.println("berhasil terhubung ke WiFi");
   Serial.println(WiFi.localIP());
   
   server.on("/", handleRoot);

   server.begin();     //Menjalankan server
   Serial.println("Server jalan");
}

void loop() {
  server.handleClient();
}