Changes
/* Inspirations */ chinese interactive door
* [http://hackerspaces.org/wiki/Doorlock Various Hackerspaces Doorlocks]
* [http://hackaday.com/2011/07/14/ibutton-is-opening-doors-at-the-tkkrlab iButton is opening doors at the TkkrLab]
* [http://wiki.xinchejian.com/wiki/Interactive_Door Interactive Door] as seen by chinese hackers
= Proposed solution =
