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  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Sensor Test Sensor</title>
  </head>
  <body>
    <h1>Sensor Test Sensor</h1>
    <ul>
      <li>Temperature: 20.7°C</li>
      <li>Humidity: 62.6%</li>
    </ul>
    <p>
    <form action="/submit" method="GET"><button type="submit" formaction="/toggle">Toggle Relay</button></form>

    </p>
  </body>
</html>

