Matt Richardson used an Raspberry Pi credit-card-sized single-board computer to make a very special kind of bike headlight that can dynamically project information on the road in front of you while still illuminating your way and making you more visible to other road users. Connected to a GPS it could display maps or turn-by-turn directions, time and distance to your destination, or even warnings about approaching vehicles.

DIY Smart Bike - 01

via: treehugger.com