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Closed Loop Stepper Motor

A Stepper Motor With Built in Controller

This was a compact stepper motor with built-in driver and closed loop encoder. 

The system was very feature rich, with protection circuitry, many connectivity options and very good power characteristics for its size.

There was a significant amount of components to be placed into a very small board in order to offer so many features but still offer the compact frame.

To accommodate this, a 4 layer, two sided PCB was designed that use the mechanical enclosure as a heat sink.