SERVER</button>
  <div id="chatbox"></div>
  <input type="text" id="inputbox" placeholder="Type your message here...">
  <br><br>
  <button id="sendbtn">Send</button>
  <button id="clearbtn">New Chat (or Clear)</button>
  <button id="testbtn">Test Server</button>
  <p id="result"></p>
  <script>
    const mled = document.getElementById("module-led");
    const sled = document.getElementById("chathub-led");
    const testbtn = document.getElementById("testbtn");
    const result = document.getElementById("re