<https://blog.arduino.cc/#personlogo>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/2d41bf97316cb004718732aec25227de?s=96&d=mm&r=g>
<https://blog.arduino.cc/2016/12/15/this-phone-controlled-robot-can-beat-you-in-air-hockey/>