[sdiy] Question how to improve rotary encoder feel

[Pete Hartman]

I assume you've seen the Euclidean Circles module?

Pete

On Fri, Jun 9, 2017 at 4:22 PM, <paula at synth.net> wrote:

> Just remembered these puppies ;
>
> http://mayhewlabs.com/products/rotary-encoder-led-ring
>
>
>
> Shame they're discontinued.
>
> Paula
>
>
>
>
>
> On 2017-06-09 15:53, Elain Klopke wrote:
>
> 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.co
>>> m/product/2055
>>>
>>>
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>>>
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