💡 LED Blink — HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>LED Blink — SoifGo</title>
  <style>
    body {
      font-family: sans-serif;
      background: #111827;
      color: #f3f4f6;
      text-align: center;
      padding: 24px;
      margin: 0;
    }
    h1 { color: #60a5fa; font-size: 1.6rem; }
    button {
      width: 90%;
      max-width: 320px;
      padding: 18px;
      margin: 8px;
      border: none;
      border-radius: 12px;
      font-size: 1.1rem;
      font-weight: 600;
      color: white;
      cursor: pointer;
    }
    .on  { background: #16a34a; }
    .off { background: #dc2626; }
    .status {
      background: #1f2937;
      padding: 16px;
      border-radius: 10px;
      margin: 20px auto;
      max-width: 320px;
      font-size: 1rem;
      color: #facc15;
    }
  </style>
</head>
<body>

  <h1>💡 LED Blink Controller</h1>

  <button class="on"  onclick="sendBluetooth('LED_ON')">Turn LED ON</button>
  <button class="off" onclick="sendBluetooth('LED_OFF')">Turn LED OFF</button>

  <div class="status" id="status">Ready. Waiting for Bluetooth data…</div>

  <script>
    function sendBluetooth(text) {
      if (window.soifgo) {
        window.soifgo.CallSub('html_bluetooth_rx', true, text);
        document.getElementById('status').innerText = 'Sent: ' + text;
      } else {
        document.getElementById('status').innerText = 'SoifGo bridge not available.';
      }
    }

    function html_bluetooth_tx(data) {
      document.getElementById('status').innerText = 'Arduino: ' + data;
    }
    window.html_bluetooth_tx = html_bluetooth_tx;
  </script>

</body>
</html>