Carnegie Science Center Controls a City

&lt;p&gt; In Pittsburgh Pennsylvania &lt;strong&gt;Opto 22 products control an entire city&lt;/strong&gt; from the rooster crow each morning to the extensive railroad system serving factories and commuters to the fading light at evening. t's the &lt;strong&gt;Miniature Railroad and Village Exhibit&lt;/strong&gt; at the &lt;a href="http://www.carnegiesciencecenter.org/" target="_blank"&gt;Carnegie Science Center&lt;/a&gt; where our latest video case study takes you behind the scenes to see the &lt;strong&gt;controllers and I/O that "run flawlessly." <a href="http://www.opto22.com">&nbsp;Click Here</a> to visit Opto 22. &lt;/strong&gt;&lt;/p&gt;