Anyone seen/heard/used a rotary encoder that has a hard stop?  Like a volume control, but sorta defeats the purpose of the encoder if it only goes from A to B.  The other problem is how do you know where to start...unless you clear the registers when your at the hard stop, 
  but then when you power cycle.....hmmm...me thinks he doesn't understand the encoder really, or at least it doesnt fit the application.

       
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