Show HN: A Raspberry Pi Lego Rubiks Cube Solving Robot
Or if you prefer it a bit faster: https://www.youtube.com/watch?v=eOJecVKD34g
Nice! Back in 2011 they used to do this with Android phones.
Nice one. There is a similar project using Mindstorms at http://mindcuber.com , which IMHO is the best Mindstorms project of all.