pxt-calliope/docs/reference/bluetooth/bluetooth-pairing.html

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2017-08-19 17:16:35 +02:00
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<title>calliope mini - Blocks / Javascript editor - calliope</title>
<meta name="Description" content="A Blocks / JavaScript code editor for the calliope mini." />
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<meta name="twitter:title" content="calliope mini - Blocks / Javascript editor - calliope" />
<meta name="twitter:description" content="A Blocks / JavaScript code editor for the calliope mini." />
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<meta property="og:description" content="A Blocks / JavaScript code editor for the calliope mini." />
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href="/pxt-calliope/docs/reference/bluetooth.html">bluetooth</a><i class="right chevron icon divider"></i><a class="active section"
href="/pxt-calliope/docs/reference/bluetooth/bluetooth-pairing.md.html">bluetooth-pairing.md</a>
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<h1 id="bluetooth-pairing">Bluetooth Pairing</h1>
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<p><img class="ui image" src="/static/bluetooth/Bluetooth_SIG.png" alt=""></p>
<p>For another device like a smartphone to use any of the Bluetooth “services” which the Calliope mini has, it must first be <a href="/pxt-calliope/docs/reference/bluetooth/bluetooth-pairing.html">paired with the Calliope mini</a>. Once paired, the other device may connect to the Calliope mini and exchange data relating to many of the Calliope minis features.</p>
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<h3 id="what-is-pairing-">What is pairing?</h3>
<p>Pairing is what you have to do to have your Calliope mini trust another device like a smartphone and similarly, have your smartphone trust your Calliope mini. Why trust? Well, pairing is all about security. You wouldnt usually want just anyones smartphone connecting to your Calliope mini and making it do things so by pairing <em>your</em> smartphone with <em>your</em> Calliope mini you ensure that only your devices can talk to each other. </p>
<p>Once youve paired your Calliope mini with another device it also means that they are able to exchange information privately, without someone else being able to “see” the data theyre exchanging over the air using Bluetooth. This is accomplished by data being <a href="https://en.wikipedia.org/wiki/Encryption">encrypted</a> and pairing makes it possible for devices who trust each other to encrypt and decrypt data from each other.</p>
<h1 id="how-do-you-pair-your-calliope-mini-with-another-device-">How do you pair your Calliope mini with another device?</h1>
<p>Making your Calliope mini pair requires you to follow some simple steps which will be described shortly. What you do with the device youre pairing it to will vary slightly depending on what that device is. Well look at how its done with common smartphones and tablets here too.</p>
<p>To get your Calliope mini ready for pairing do the following:</p>
<ol>
<li>Hold down buttons A and B on the front of your Calliope mini together. The front is the side with two buttons and the LED display. Keep the two buttons held down. Dont let go of them yet!</li>
<li>While still holding down buttons A and B, press and then release the reset button on the back of the Calliope mini. Keep holding down buttons A and B.</li>
<li>You should see “PAIRING MODE!” start to scroll across the Calliope mini display. When you see this message start to appear you can release buttons A and B.</li>
<li>Eventually youll see a strange pattern on your Calliope mini display. This is like your Calliope minis signature. Other peoples Calliope minis will probably display a different pattern.</li>
</ol>
<p>Your Calliope mini is now ready to be paired with the other device. Read the section below which relates to your other device and watch the video too. </p>
<h3 id="how-do-you-pair-your-calliope-mini-with-a-windows-smartphone-or-tablet-">How do you pair your Calliope mini with a Windows smartphone or tablet?</h3>
<ol>
<li>Go into Settings</li>
<li>Select Bluetooth</li>
<li>Switch your Calliope mini into pairing mode using the steps above</li>
<li>Wait until PAIRING MODE! has finished scrolling across the Calliope mini display. You should see your Calliope mini listed on your Windows smartphone with a name something like Calliope mini [zatig]. Note that the 5 characters in brackets at the end will vary.</li>
<li>On the Windows smartphone, tap the Calliope mini named in the device list. This will initiate the pairing process.</li>
<li>The Calliope mini will display a left pointing arrow and the Windows smartphone will pop up a box into which you will be invited to enter a “pin” (Personal Identity Number).</li>
<li>Press button A on the Calliope mini and watch carefully as the Calliope mini displays a sequence of 6 random numbers. You may find it easier to write them down than to remember them.</li>
<li>Enter the 6 digits which the Calliope mini displayed into your Windows smartphone in the pop-up box provided and then select “done”.</li>
<li>If you entered the right number the Calliope mini will display a tick / check mark. If you made a mistake it will display a cross or X and you should repeat the process to try again. </li>
</ol>
<h4 id="video">Video</h4>
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<div class="ui embed mdvid" data-source="youtube" data-id="AoW3mit7jIg" data-placeholder="https://img.youtube.com/vi/AoW3mit7jIg/maxresdefault.jpg">
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</div></div>
<h3 id="how-do-you-pair-your-calliope-mini-with-an-android-smartphone-or-tablet-">How do you pair your Calliope mini with an Android smartphone or tablet?</h3>
<ol>
<li>Go into Settings</li>
<li>Select Bluetooth</li>
<li>Switch your Calliope mini into pairing mode using the steps above</li>
<li>Wait until PAIRING MODE! has finished scrolling across the Calliope mini display. You should see your Calliope mini listed on your Android smartphone under the heading “Available devices” with a name something like Calliope mini [zatig]. Note that the 5 characters in brackets at the end will vary.</li>
<li>On the Android smartphone, tap the Calliope mini named in the Available devices list. This will initiate the pairing process.</li>
<li>The Calliope mini will display a left pointing arrow and the Android smartphone will pop up a box into which you will be invited to enter a “pin” (Personal Identity Number).</li>
<li>Press button A on the Calliope mini and watch carefully as the Calliope mini displays a sequence of 6 random numbers. You may find it easier to write them down than to remember them.</li>
<li>Enter the 6 digits which the Calliope mini displayed into your Android smartphone in the pop-up box provided and then select “done”.</li>
<li>If you entered the right number the Calliope mini will display a tick / check mark. If you made a mistake it will display a cross or X and you should repeat the process to try again. </li>
</ol>
<h4 id="video">Video</h4>
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<div class="ui embed mdvid" data-source="youtube" data-id="7hLBfdAGkZI" data-placeholder="https://img.youtube.com/vi/7hLBfdAGkZI/maxresdefault.jpg">
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<h3 id="how-do-you-pair-your-calliope-mini-with-an-apple-ios-smartphone-or-tablet-">How do you pair your Calliope mini with an Apple iOS smartphone or tablet?</h3>
<p>The steps to pair with an Apple iOS device are different to those followed for an Android or Windows device. To trigger pairing you need an application which will try to interact with your Calliope mini and its that interaction that triggers the iOS pairing process. There are many you could use but for the purposes of this documentation well suggest you install the “nRF Master Control Panel” (nRF MCP) application from Nordic Semiconductor. Youll find it in the Apple app store. Its a really useful Bluetooth application which will help you learn about Bluetooth as well as it having the ability to trigger the pairing process. After installing nRF MCP you should follow these steps to pair with your Calliope mini:</p>
<ol>
<li>Switch your Calliope mini into pairing mode using the steps above</li>
<li>Wait until PAIRING MODE! has finished scrolling across the Calliope mini display.</li>
<li>Launch the nRF MCP application. Your Calliope mini should be listed and have a “Connect” button next to it.</li>
<li>Select “Connect” to connect your Apple device to the Calliope mini. This will trigger the pairing process.</li>
<li>The Calliope mini will display a left pointing arrow and the Apple device will pop up a box into which you will be invited to enter a “pin” (Personal Identity Number).</li>
<li>Press button A on the Calliope mini and watch carefully as the Calliope mini displays a sequence of 6 random numbers. You may find it easier to write them down than to remember them.</li>
<li>Enter the 6 digits which the Calliope mini displayed into your Apple device in the pop-up box provided and then select “Pair”.</li>
<li>If you entered the right number the Calliope mini will display a tick / check mark. If you made a mistake it will display a cross or X and you should repeat the process to try again. </li>
</ol>
<h4 id="video">Video</h4>
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<div class="ten wide column">
<div class="ui embed mdvid" data-source="youtube" data-id="wslwyAMwMhs" data-placeholder="https://img.youtube.com/vi/wslwyAMwMhs/maxresdefault.jpg">
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</div></div>
<h3 id="how-often-do-i-need-to-pair-my-calliope-mini-with-my-phone-">How often do I need to pair my Calliope mini with my phone?</h3>
<p>You do <em>not</em> need to pair your Calliope mini and smartphone or tablet every time you use them together. Pairing establishes trust which will be retained until it is somehow lost. When another device wants to talk to your Calliope mini it must connect to it but connecting and pairing are not the same thing.</p>
<p>There are circumstances which will result in pairing data being lost however and when this happens you will need to pair again. </p>
<p>Currently, flashing new code via a USB cable causes the Calliope minis Bluetooth pairing data to be lost. Consequently, if you do flash new code to your Calliope mini using a USB cable you will need to pair again.</p>
<p>In contrast if you upload new code to your Calliope mini over Bluetooth, using for example the Samsung Calliope mini application for Android devices, you will not need to pair again.</p>
<p>If you do find yourself needing to pair again you will first need to remove the pairing from your other device (i.e. smartphone or tablet):</p>
<ul>
<li>On Android go into Settings/Bluetooth, select the cog next to your Calliope mini and then select FORGET</li>
<li>On iOS go into Settings/Bluetooth, select your Calliope mini and then select Forget This Device</li>
<li>On a Windows device go into Settings/Bluetooth. Press and hold the Calliope mini entry on the Windows device. A pop-up will appear with the option “delete”. Select “delete” to unpair your Calliope mini.</li>
</ul>
<h3 id="see-also">See also</h3>
<p><a href="/pxt-calliope/docs/reference/bluetooth/about-bluetooth.html">About Bluetooth</a>, <a href="http://lancaster-university.github.io/microbit-docs/ble/profile/">Calliope mini Bluetooth profile overview </a>, <a href="http://lancaster-university.github.io/microbit-docs/resources/bluetooth/microbit-profile-V1.9-Level-2.pdf">Calliope mini Bluetooth profile reference</a>, <a href="http://bluetooth-mdw.blogspot.co.uk/p/bbc-microbit.html">Bluetooth on Calliope mini resources</a>, <a href="https://www.bluetooth.com">Bluetooth SIG</a></p>
<pre><code class="lang-package">bluetooth</code></pre>
</div>
<p style="margin-top:1em"><a href="https://github.com/Microsoft/pxt-calliope/blob/master/docs/docs/reference/bluetooth/bluetooth-pairing.md"><i class="write icon"></i>Edit this page on GitHub</a></p>
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