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Editando passo 7 —

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Saving the best for last(ish), we cracked open one of the mysteriously heavy wheels to get a look at the brushless DC motor.

Inside we find oodles of coiled copper wire, three large power leads (one for each of the three phases) and five leads for Hall effect sensors (for position tracking).

The motor control board will let the motor know when to switch across those wires, making for a nice smooth ride.

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