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Climbing stairs is one of the hardest physical tasks for a bipedal collection of motors and circuits, as Honda's ASIMO can relate, but one man's managed to achieve just that with this head-banging Lego Mindstorms NXT robot. After spending years tinkering with the plastic blocks, 222Doc's X-2 Chicken Walking Biped can autonomously walk up and down flights of small steps with relative ease, perform headstands and even scale five-inch cinder block cliffs if precariously pushed. The robot requir... es only seven Lego servo motors plus a touch sensor and gyroscope in each foot, but also uses a pair of third-party multiplexers (also spotted in that transforming Wall-E) for fine control of the extra motors. Watch it perform after the break, but stop the second video at 3:20 if pain makes you queasy -- the bot takes a pretty ugly spill.

Continue reading Lego bipedal bot takes several small stairs for man, one big fall for robotkind (video)

Lego bipedal bot takes several small stairs for man, one big fall for robotkind (video) originally appeared on Engadget on Tue, 03 Aug 2010 21:12:00 EDT. Please see our terms for use of feeds.

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