<p>Introducing Lifty the elevator. <a href="https://github.com/dabeaz/lifty.html" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="">github.com/dabeaz/lifty.html</span><span class="invisible"></span></a>.</p><p>Now, could you actually write code to properly control it? Who am I to say?</p>