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Re: Wheel-speed opto-couples

> [This mostly concerns Cindy].
> As currently written, moving the wheels in increments of 2cm is
> meaningful to the computer.  Small increments such as this are
> particularly relevant when Zeta is turning.  Ideally, the large wheels
> that pulse the opto-couples on/off will be large enough for them to
> distinguish increments of < 2cm.

ie the opto-couples wheel would be better if it had more holes to increase
the number of pulses?