The aRSSduino in action

The aRSSduino in actionThe aRSSduino is a simple project for the Arduino microcontroller, designed to display RSS feed entries on a 16×2 LCD.  It’s still in the early stages, with the following outstanding:

  • To Do: Support for larger LCDs
  • To Improve: Better UTF-8 character handling
  • To Do: Multiple RSS feed support

For now, however, it’s a pretty neat hack – and an alternative back-end allows it to display Twitter @ replies instead, with the person’s username on the top line of the display and the message below.

The aRSSduino relies on a USB connection between the Arduino and the host PC – it’s not a stand-alone project.  Currently, the Python back-end is written to run on a Linux-based host – although it should be relatively simple to port to Windows, I have no plans to do so at present.

You can download the project source code – both for the Arduino sketch and for the Python-based back-end here.  If you improve upon it, let me know!

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I’ve been fighting my new WordPress theme this morning in order to get the darn thing to validate as XHTML 1.0 Transitional – I didn’t aim for Strict as I use the “target=_new” functionality in a lot of existing links which would need to be updated. After fixing a bunch of problems around the place, I finally tracked the last few down to the Twitter widget you can see to the right.
It appears that Twitter’s default coding for the HTML-based widget is a trifle skwiffy. The code offered to me by the site is:

 
<div id=”twitter_div”&rt;
<h2 class=”sidebar-title”&rt;Twitter Updates</h2&rt;
<a id=”twitter-link” style=”display: block; text-align: right;” href=”http://twitter.com/ghalfacree”&rt;follow me on Twitter</a&rt;

</div&rt;
 

which refuses to validate, showing five errors mostly related to things being in the wrong order. A quick hack-job gave me the following:
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