Мне кажется у DeepSeek лучше получилось. =)
#include <WiFi.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>

/* Network Configuration */
const char* ssid = "ESP32";
const char* password = "12345678";
IPAddress local_ip(192,168,1,1);
IPAddress gateway(192,168,1,1);
IPAddress subnet(255,255,255,0);

/* LED Pins */
const uint8_t LED1pin = 4;
const uint8_t LED2pin = 5;
bool LED1status = false;
bool LED2status = false;

AsyncWebServer server(80);

String generateHTML(bool led1, bool led2) {
  String html = R"rawliteral(
<!DOCTYPE html><html>
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>LED Control</title>
  <style>
    html {font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}
    body {margin-top: 50px;} 
    h1 {color: #444444; margin: 50px auto 30px;} 
    h3 {color: #444444; margin-bottom: 50px;}
    .button {
      display: block; width: 80px; background-color: #3498db; border: none;
      color: white; padding: 13px 30px; text-decoration: none; font-size: 25px;
      margin: 0px auto 35px; cursor: pointer; border-radius: 4px;
    }
    .button-on {background-color: #3498db;}
    .button-on:active {background-color: #2980b9;}
    .button-off {background-color: #34495e;}
    .button-off:active {background-color: #2c3e50;}
    p {font-size: 14px; color: #888; margin-bottom: 10px;}
  </style>
</head>
<body>
  <h1>ESP32 Web Server</h1>
  <h3>Using Access Point (AP) Mode</h3>
)rawliteral";

  html += (led1) ? 
    "<p>LED1 Status: ON</p><a class=\"button button-off\" href=\"/led1off\">OFF</a>\n" : 
    "<p>LED1 Status: OFF</p><a class=\"button button-on\" href=\"/led1on\">ON</a>\n";

  html += (led2) ? 
    "<p>LED2 Status: ON</p><a class=\"button button-off\" href=\"/led2off\">OFF</a>\n" : 
    "<p>LED2 Status: OFF</p><a class=\"button button-on\" href=\"/led2on\">ON</a>\n";

  html += "</body></html>";
  return html;
}

void setup() {
  Serial.begin(115200);
  pinMode(LED1pin, OUTPUT);
  pinMode(LED2pin, OUTPUT);
  digitalWrite(LED1pin, LOW);
  digitalWrite(LED2pin, LOW);

  // Configure WiFi AP
  WiFi.softAP(ssid, password);
  WiFi.softAPConfig(local_ip, gateway, subnet);
  Serial.print("AP IP address: ");
  Serial.println(WiFi.softAPIP());

  // Route handlers
  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
    LED1status = false;
    LED2status = false;
    Serial.println("GPIO4 Status: OFF | GPIO5 Status: OFF");
    request->send(200, "text/html", generateHTML(LED1status, LED2status));
  });

  server.on("/led1on", HTTP_GET, [](AsyncWebServerRequest *request){
    LED1status = true;
    Serial.println("GPIO4 Status: ON");
    request->send(200, "text/html", generateHTML(true, LED2status));
  });

  server.on("/led1off", HTTP_GET, [](AsyncWebServerRequest *request){
    LED1status = false;
    Serial.println("GPIO4 Status: OFF");
    request->send(200, "text/html", generateHTML(false, LED2status));
  });

  server.on("/led2on", HTTP_GET, [](AsyncWebServerRequest *request){
    LED2status = true;
    Serial.println("GPIO5 Status: ON");
    request->send(200, "text/html", generateHTML(LED1status, true));
  });

  server.on("/led2off", HTTP_GET, [](AsyncWebServerRequest *request){
    LED2status = false;
    Serial.println("GPIO5 Status: OFF");
    request->send(200, "text/html", generateHTML(LED1status, false));
  });

  server.onNotFound([](AsyncWebServerRequest *request){
    request->send(404, "text/plain", "Not found");
  });

  server.begin();
  Serial.println("HTTP async server started");
}

void loop() {
  // Update LED states
  digitalWrite(LED1pin, LED1status ? HIGH : LOW);
  digitalWrite(LED2pin, LED2status ? HIGH : LOW);
  
  // No need for server.handleClient() with async server
}