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

Climbing stairs is among the hardest physical tasks for a bipedal collection of motors and circuits, as Honda\’s ASIMO can relate, but one man\’s managed to realize 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 requires only seven Lego servo motors plus a marginally sensor and gyroscope in each foot, but in addition 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 gorgeous ugly spill.

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This post is tagged: big, bipedal, bot, fall, Lego, man, robotkind, stairs, takes, video