Secret Knock

Motors - Dec 07, 2009 4:35:20 PM

Measurements - Dec 08, 2009 4:29:3 PM

Here's the code.... - Dec 09, 2009 4:37:41 PM

construction begins - Jan 06, 2010 4:39:41 PM

final project - Jan 07, 2010 4:23:56 PM