title: How do I configure an extreme feedback device to notify CI build status?
body: <p>Trying to save the next guy/gal some trouble in finding out what is needed to setup lava lamps or traffic lights or what have you (the term I believe is <a href="http://www.developertesting.com/archives/month200404/20040401-eXtremeFeedbackForSoftwareDevelopment.html" rel="nofollow noreferrer">eXtreme Feedback Devices</a>) as a BIG VISIBLE INDICATOR of your continuous integration build status.</p>
  
  <p>Ensure your post includes... (and please don't mess this question up with <a href="https://stackoverflow.com/questions/303614/whats-your-favorite-extreme-feedback-device/303901#303901">imaginative</a> <a href="https://stackoverflow.com/questions/303614/whats-your-favorite-extreme-feedback-device/303728#303728">responses</a>.. although it may be insanely funny at the point of conception)</p>
  
  <ul>
  <li>the XFD</li>
  <li>what 'helper' hardware is needed</li>
  <li>software that you managed to hook it up with</li>
  <li>detailed instructions on how to set it up</li>
  </ul>