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The CPLD Servo Driver
The hobby servo is an amazing device. The typical hobby servo is a collection of plastic or metal gears driven by a DC motor, which is under the control of a specialized motor driver IC and a feedback potentiometer. Back in the day, one would find hobby servos in most every model airplane and model boat. If you really put a brain cell to it, radio-controlled model planes, cars, and boats are actually specialized types of robots that depend greatly on the controlled motion provided by a hobby...
SERVO Magazine (August 2008)
By Fred Eady
08.2008 | CPLD logic Source code and XC2C64A Development PCB