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Yellow Cube Machine

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Uploaded on Feb 17, 2010

The (former) World's Fastest LEGO Mindstorms NXT Speedcubing robot.
See a later version of this robot, Android Speedcuber, being built at http://www.youtube.com/watch?v=u7h5KS...
The previous Guinness World Record holder, CubeStormer II, that my great friend Mike Dobson and I created together can be seen at http://www.youtube.com/watch?v=_d0Lfk... and the current holder. CUBESTORMER 3 can be seen at https://www.youtube.com/watch?v=X0pFZ...

This robot is constructed entirely from LEGO, including a webcam from LEGO Vision Command. It is able to solve a 3x3x3 Rubik's cube from any position in under 20 seconds including the initial image capture. The robot is controlled by a program running on a laptop that uses an algorithm developed by me to find a solution that is specifically tuned to give a fast result according to the mechanical abilities of the robot. Both the application running on the laptop and the embedded software running on the two NXTs were written in C++. The laptop communicates with one of the NXTs via USB and the NXTs communicate with each other via Bluetooth. Enjoy!

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