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JoyRider: Ultracompact smiley bicycle spoke POV

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By attaching two small electrical devices to a bicycle’s wheel spokes, JoyRider is capable of measuring the rotational speed of the wheel to emit LED lights creating the illusion of a smiley face as the wheel rotates.

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JoyRider was designed by Moritz Waldemeyer. It was sold for £2000 ($3,972 USD) at a charity auction.

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Via: MAKE




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