Arduinos are a godsend for the DIY/Tinkerer community, but there’s all sorts of stuff they just can’t do out of the box. Sure, you can add tons of functionality via strap-on boards called “shields”..

A question: if you’re controlling the classic video game Street Fighter with gestures, aren’t you just, you know, street fighting? That’s a question [Charlie Gerard] is going to have to tackle should ...