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Ultimate Useless LEGO Machine

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JK Brickworks is behind many cool LEGO creations. His Ultimate Useless LEGO Machine is another fine effort. It consists of a black box and robot hand coordinated to work together over Bluetooth. The black box sends messages to the robot to tell it what to do and waits for the hand to turn the switch off.

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As this video shows, the machine really doesn’t do anything special other than turning the switch on and off constantly. What do you think? How would you improve this machine?

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