Make your own touchless 3D interface!

A recent post from the MAKE blog describes how to make a touchless 3D interface using an Arduino microcontroller (affordable), cardboard (very very affordable) and aluminum foil (very affordable).  This is an awesome introduction to programming and using microcontrollers that will, as the post says, have you playing 3D tic-tac-toe by the end of a weekend!

Build a touchless 3D interface! [MAKE blog]

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