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	<title>UCL Archives - Digital Urban</title>
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	<description>Data, Cities, IoT, Writing, Music and Making Things</description>
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	<title>UCL Archives - Digital Urban</title>
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		<title>MQTT Scroller for the Pimoroni Stellar Unicorn: THE: Time, Headlines and Environmental Information</title>
		<link>https://www.digitalurban.org/blog/2023/08/03/mqtt-scroller-for-the-pimoroni-stellar-unicon-the-time-headlines-and-envivronmental-information/</link>
		
		<dc:creator><![CDATA[Andy]]></dc:creator>
		<pubDate>Thu, 03 Aug 2023 08:49:16 +0000</pubDate>
				<category><![CDATA[Making]]></category>
		<category><![CDATA[CASA]]></category>
		<category><![CDATA[LED Matrix]]></category>
		<category><![CDATA[MQTT Scroller]]></category>
		<category><![CDATA[Pimoroni Stellar]]></category>
		<category><![CDATA[Pimoroni Unicorn]]></category>
		<category><![CDATA[UCL]]></category>
		<guid isPermaLink="false">https://www.digitalurban.org/?p=7224</guid>

					<description><![CDATA[<p>Pimoroni make a range of LED matrix displays with Pi Pico W&#8217;s built in &#8211; previously we have used the large scale Pimoroni Galatic Unicorn and added a series of...</p>
<p>The post <a href="https://www.digitalurban.org/blog/2023/08/03/mqtt-scroller-for-the-pimoroni-stellar-unicon-the-time-headlines-and-envivronmental-information/">MQTT Scroller for the Pimoroni Stellar Unicorn: THE: Time, Headlines and Environmental Information</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></description>
										<content:encoded><![CDATA[
<p>Pimoroni make a range of LED matrix displays with Pi Pico W&#8217;s built in &#8211; previously we have used the large scale <a href="https://shop.pimoroni.com/products/space-unicorns?variant=40842033561683" target="_blank" rel="noreferrer noopener" data-type="URL" data-id="https://shop.pimoroni.com/products/space-unicorns?variant=40842033561683">Pimoroni Galatic Unicorn</a> and added <a href="https://github.com/ucl-casa-ce/Galactic-Unicorn-MQTT-Scroller" target="_blank" rel="noreferrer noopener" data-type="URL" data-id="https://github.com/ucl-casa-ce/Galactic-Unicorn-MQTT-Scroller">a series of scripts on GitHub</a> to allow it to scroll MQTT messages. Pimoroni have just released two new versions, the <a href="https://shop.pimoroni.com/products/space-unicorns?variant=40842626596947" target="_blank" rel="noreferrer noopener" data-type="URL" data-id="https://shop.pimoroni.com/products/space-unicorns?variant=40842626596947">Cosmic Unicorn</a> at 32 x 32 pixels and the <a href="https://shop.pimoroni.com/products/space-unicorns?variant=40842632953939" target="_blank" rel="noreferrer noopener" data-type="URL" data-id="https://shop.pimoroni.com/products/space-unicorns?variant=40842632953939">Stellar Unicorn</a> at 16 x 16 pixels, both of these are also pefect for scrolling information and as such we have updated our scripts and provided laser cut templates, firstly for the Stellar.</p>



<figure class="wp-block-image size-large"><img fetchpriority="high" decoding="async" width="1024" height="1024" src="https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-1024x1024.jpg" alt="" class="wp-image-7226" srcset="https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-1024x1024.jpg 1024w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-300x300.jpg 300w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-150x150.jpg 150w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-768x768.jpg 768w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-100x100.jpg 100w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-140x140.jpg 140w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-500x500.jpg 500w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-350x350.jpg 350w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-1000x1000.jpg 1000w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724-800x800.jpg 800w, https://www.digitalurban.org/wp-content/uploads/2023/08/PhotoRoom_20230801_135724.jpg 1294w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<p>The code is set up around our THE: Time, Headlines and Envivronmental Information stream, this links in feeds from our own MQTT server, providing details on the time, news, weather and earthquake information. You can choose to leave this in place (good for a first test) or add your own MQTT feed. The code uses different coloured backgrounds for different text in feeds &#8211; ie News, Weather, Time, you can edit these accordingly to match your own feed. Our feed updates every couple of minutes, for a constant stream of information.</p>



<p>To set it all, all you need do it copy all the files to your Stellar Unicon using Thonny &#8211; edit config.py to add your Wifi and MQTT broker credentials.</p>



<p>Headover to our <a rel="noreferrer noopener" href="https://github.com/ucl-casa-ce/Stellar-Unicorn-MQTT-Scroller" data-type="URL" data-id="https://github.com/ucl-casa-ce/Stellar-Unicorn-MQTT-Scroller" target="_blank">GitHub Repository to download the files</a>.</p>



<figure class="wp-block-image size-large"><img decoding="async" width="1024" height="970" src="https://www.digitalurban.org/wp-content/uploads/2023/08/StellarParts-1024x970.jpg" alt="" class="wp-image-7231" srcset="https://www.digitalurban.org/wp-content/uploads/2023/08/StellarParts-1024x970.jpg 1024w, https://www.digitalurban.org/wp-content/uploads/2023/08/StellarParts-300x284.jpg 300w, https://www.digitalurban.org/wp-content/uploads/2023/08/StellarParts-768x727.jpg 768w, https://www.digitalurban.org/wp-content/uploads/2023/08/StellarParts-1536x1455.jpg 1536w, https://www.digitalurban.org/wp-content/uploads/2023/08/StellarParts.jpg 1725w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>



<h4 class="wp-block-heading">The Case</h4>



<p>Three files are provided to laser cut:</p>



<ol class="wp-block-list">
<li>The laser cut front as pictured with Etching (THE: Time, Headlines, Environmental)</li>



<li>The laser cut front, minus text</li>



<li>Front cut for the clear acrylic</li>
</ol>



<p>The work has been created as part of work at the <a href="https://connected-environments.org/" data-type="URL" data-id="https://connected-environments.org/" target="_blank" rel="noreferrer noopener">Connected Environments Group</a> at the Centre for Advanced Spatial Analysis, University College London, the <a rel="noreferrer noopener" href="https://github.com/ucl-casa-ce/Stellar-Unicorn-MQTT-Scroller/discussions" data-type="URL" data-id="https://github.com/ucl-casa-ce/Stellar-Unicorn-MQTT-Scroller/discussions" target="_blank">GitHub page has its own discussion forum</a> if you would like to ask any questions or request changes to the code.</p>
<p>The post <a href="https://www.digitalurban.org/blog/2023/08/03/mqtt-scroller-for-the-pimoroni-stellar-unicon-the-time-headlines-and-envivronmental-information/">MQTT Scroller for the Pimoroni Stellar Unicorn: THE: Time, Headlines and Environmental Information</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>UCL Quad &#8211; Procedural City and Lumion</title>
		<link>https://www.digitalurban.org/blog/2013/06/12/ucl-quad-procedural-city-and-lumion/</link>
		
		<dc:creator><![CDATA[Andy]]></dc:creator>
		<pubDate>Wed, 12 Jun 2013 09:24:48 +0000</pubDate>
				<category><![CDATA[3D Modelling]]></category>
		<category><![CDATA[Lumion]]></category>
		<category><![CDATA[UCL]]></category>
		<category><![CDATA[cityengine]]></category>
		<category><![CDATA[lumion]]></category>
		<category><![CDATA[SketchUp]]></category>
		<category><![CDATA[UCL Quad]]></category>
		<guid isPermaLink="false">http://www.digitalurban.org/?p=3429</guid>

					<description><![CDATA[<p>The Quadrangle at University College London was designed by William Wilkins and constructed between 1827 and 1828. It is a natural building of urban research as its surroundings provide a mix of architectural styles....</p>
<p>The post <a href="https://www.digitalurban.org/blog/2013/06/12/ucl-quad-procedural-city-and-lumion/">UCL Quad &#8211; Procedural City and Lumion</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>The Quadrangle at University College London was designed by William Wilkins and constructed between 1827 and 1828. It is a natural building of urban research as its surroundings provide a mix of architectural styles. The 3D model of the quad was built using SketchUp with photos grabbed via a mobile phone &#8211; quick and simple.<br />
<img decoding="async" class=" wp-image-3430  aligncenter" style="text-align: center; font-size: 13px; line-height: 19px;" title="UCL Quad - Lumion" alt="UCL Quad - Lumion" src="https://www.digitalurban.org/wp-content/uploads/2013/06/Screen-Shot-2013-06-12-at-09.49.28-1-1024x539.png" width="679" height="357" /></p>
<dl class="wp-caption aligncenter" id="attachment_3430" style="width: 689px;">
<dd class="wp-caption-dd">UCL Quad &#8211; Lumion</dd>
</dl>
<p>Regular readers will recognise the model from our previous <a href="http://www.digitalurban.org/2008/11/back-to-oblivion-final-import-movie.html">Elder Scrolls IV Game Engine work</a>. We found the model on an old hard drive for a group of students working on a new UCL project. As such we took the opportunity to  load it into Lumion and add it into a future Bloomsbury created using CityEngine. Finally, the falling cubes (<a href="http://www.casa.ucl.ac.uk">CASA </a>branded, home of digital urban) are via 3D Max, linked in from a <a href="http://www.digitalurban.org/2012/08/getting-started-with-simulations-in-3d-max-greeble-and-massfx.html">previous tutorial on Mass FX</a>:</p>
<div></div>
<p><center><iframe loading="lazy" src="http://www.youtube.com/embed/syCQSi-UuMg" height="360" width="640" allowfullscreen="" frameborder="0"></iframe></center>The building is centered on a Corinthian portico, after the completion of University College London Wilkins went to design the National Gallery in Trafalgar Square.</p>
<p>The post <a href="https://www.digitalurban.org/blog/2013/06/12/ucl-quad-procedural-city-and-lumion/">UCL Quad &#8211; Procedural City and Lumion</a> appeared first on <a href="https://www.digitalurban.org">Digital Urban</a>.</p>
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