• Do I have to use PI with this device?

    No.

    it can't work as standalone ?

    Yes, it can work on its own just fine.

    do I have to have an internet connection for it to work?

    No. However you told us "I want to create a simple BLE that will "post" my website".

    Bluetooth LE devices don't magically connect to the internet. It's like complaining that your Laptop can't view websites when you have no WiFi router.

    if not - why do I need to use pi?

    If you want the MDBT42Q to connect to the internet then you need something to act as a 'bridge' between bluetooth and the internet - like you need a WiFi router to connect your Laptop to the internet. That's what we're suggesting the Pi is for, but it's by no means the only thing you could use.

    For instance using Web Bluetooth on a phone/tablet/laptop is super quick and easy:

    https://www.espruino.com/Web%20Bluetooth­ will show you how to create a website which will communicate with the MDBT42Q - but only when that webpage is open.

    Still, that may be what you want?

    This is just a super simple webpage which will output whatever text your MDBT42Q decides to print. You can then do with that what you want.

    <html>
    <body>
      <script src="https://www.puck-js.com/puck.js"></­script>
      <button id="go">Go!</button>
      <script type="text/javascript">
        var connection;
        document.getElementById("go").addEventLi­stener("click", function() {
          if (connection) {
            connection.close();
            connection = undefined;
          }
          Puck.connect(function(c) {
            if (!c) {
              alert("Couldn't connect!");
              return;
            }
            connection = c;
            // Handle the data we get back
            connection.on("data", function(d) {
              console.log("Got "+JSON.stringify(d));
            });
          });
        });
    </script>
    </body>
    </html>
    
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