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Practical Electronics for Inventors, Third Edition by Paul Scherz

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CHAPTER 14
Motors
Perhaps one of the most entertaining things to do with electronics is make some mechanical device move. Three very popular devices used to “make things move” include dc motors, RC servos, and stepper motors.
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FIGURE 14.1
14.1   DC Continuous Motors
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A dc motor is a simple two-lead, electrically controlled device that comes with a rotary shaft on which wheels, gears, propellers, etc., can be mounted. A dc motor generates a considerable amount of revolutions per minute (rpm) for its size and can be made to rotate clockwise or counterclockwise ...

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