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crwdns2933797:0David Hodsoncrwdnd2933797:0crwdne2933797:0
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| - | [* black] After removing three more Phillips screws, the motor and controller board can be removed from the central cross. |
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| - | [* black] Each motor has its own controller board which is fed instructions by the motherboard after analyzing data collected from the altimeter, gyroscope, and vertical camera, and, of course, user input. |
| + | [* black] The four motors and their electronic controllers are each held to the central cross by six screws and a connector. |
| + | [* black] Each brushless motor runs at 28,000 RPM while the AR.Drone is hovering, and as high as 41,400 during full acceleration. |
| + | [* black] The speed of the motor is managed by the electronic controller, which includes an 8-bit microcontroller and a 10-bit ADC. |