<iframe width="580" height="385" src="https://www.youtube.com/embed/5nr0tSbO7Gw" frameborder="0" allowfullscreen></iframe> <br>John shows off his toys that he plays with when he is having fun. Interfacing the EV3 and NXT with external elements that are Not ... <br><a href="https://www.youtube.com/watch?v=5nr0tSbO7Gw">source</a>
