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Make: Technology on Your Time Volume 31 by Mark Frauenfelder

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imageSKILL BUILDER

SERVO CONTROLLERS

Small, dedicated boards drive servomotors without (or with) programming.

By Robert H. Walker

Servomotors do the heavy lifting in countless robotic, animatronic, and other projects, and because they’re so visible, it’s easy to overlook the role played behind the scenes by their controllers. Your choice of servos for any given project will boil down to the mechanical force you require and the physical size you have room for, and you can buy servos that range from very small to large and powerful. But with servo controllers, the selection criteria are more complex, and include the following questions:

» How many servomotors ...

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