stepper "digital" knob viability
Erik Jacobs email (remove spam text)
> (re stepper motor for a digital knob thread)
> I've just been playing with a 12v unipolar "surplus"
> stepper from an old 5.25 disk drive. Connected it to
> the CRO and used a clothes peg for an accurate "knob".
Well, my questions are:
A) how small can one of these be (in comparison to a rotary encoder)?
B) how cheaply can one be had (in comparison to a rotary encoder)?
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