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By: Jon McPhalen, created: 2013-04-10 | updated: 2013-04-10


PASM interface for Parallax #27908 trackball module. Methods allow user to select any available pins, and to selectively disable the button input and the LED output.

In 1.1 the start() method is modified; instead of accepting the first pin of a contiguous group it takes the hub address of a DAT table holding the pins used; this allows for non-contiguous pin assignments.


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