[youtube=http://www.youtube.com/watch?v=qmugZcobahA&w=640&h=360] San Francisco-based startup Coin may not have launched yet, but it has created a hardware platform ...

Unlocking your car isn't exactly tough, but if you want to spice it up a bit, The Mercuino Project shows off how to unlock your doors with Bluetooth and an Arduino. The basic premise here is that with ...