World's First Sudoku Puzzle-Solving LEGO Robot

Built by Tilted Twister, this creation is the world's first sudoku puzzle-solving LEGO robot. Basically, "it scans the sudoku puzzle using a light sensor, calculates the solution to the puzzle and then writes the digits." Video after the break.
Swedish hacker Hans Andersson doesn't need a robot to solve sudokus puzzles. That's because he's a genius capable of making a robot that can solve sudo

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- Source : http://www.techeblog.com