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Parrot AR.Drone Teardown

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The four motors and their electronic controllers are each held to the central cross by six screws and a connector.

Each brushless motor runs at 28,000 RPM while the AR.Drone is hovering, and as fast as 41,400 during full acceleration.

The speed of the motor is managed by the electronic controller, which includes an 8-bit microcontroller and a 10-bit ADC.

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