[sdiy] Question how to improve rotary encoder feel

[Elain Klopke]

I know this is still expensive, but very interesting.... select up to
16-bit resolution...

https://www.digikey.com/product-detail/en/AMT102-V/102-1307-ND/827015?WT.mc_id=IQ_7595_G_pla827015&wt.srch=1&wt.medium=cpc&WT.srch=1&gclid=CjwKEAjwjunJBRDzl6iCpoKS4G0SJACJAx-Vl4p0hPzBSpwzSQG49Jod93fHxdtBAS0jDJDcRSuR8RoCIE3w_wcB

On Fri, Jun 9, 2017 at 8:21 AM, Tom Farrand <mbedtom at gmail.com> wrote:

> At least some of the encoders on ham equipment are optical encoders.  I
> repaired one within the last year.  (The knob has the requisite fingertip
> indentation.)  Being optical in nature, control can be almost anything
> you'd want.  I would guess that the resolution was maybe 120 PPR or
> better.  The specific unit was a Yaesu FRG-100 general coverage receiver
> and the optical encoder was the main tuning dial.  If these could be
> obtained inexpensively, they would be wonderful for synth control.  It has
> been a while since I looked but think that even these "cheapie" encoders
> are still in the $30 - $40 range (or more).
>
> Tom Farrand
>
>
> On Fri, Jun 9, 2017 at 7:49 AM, Steve <sleepy_dog at gmx.de> wrote:
>
>>
>> Tom Wiltshire wrote:
>> > I did many experiments trying proportional control of a parameter using
>> the velocity of the encoder. It was a disaster, in short. Mostly much too
>> sensitive, or much too slow. In the end, I finished up with a system like
>> you suggest, > where you can push the encoder for fine control.
>>
>> That reminded me of something else with built-in "switching" between
>> coarse and fine control:
>> Those encoder knobs on many HAM radio transceivers to tune, with a dent
>> near the outer radius, where you can rest your fingertip and use the thing
>> as a crank with very quick rotations, or grab the whole thing for fine
>> control.
>> Needs more space of course, for those things are bigger than the average
>> knob on a synth module. And the encoder has more wear if the solution is
>> "turn it more!", if it's a mechanical one. And I'd guess things finger tip
>> cranking doesn't feel nice with some encoders hard detent.
>> Something like this:
>> https://www.adafruit.com/product/2055https://www.adafruit.
>> com/product/2055
>>
>>
>>
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>
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