[sdiy] Rotary Encoder Design
mr at analogue.org
Mon Jul 27 15:49:10 CEST 2020
Teenage Engineering OP-Z has hall sensor encoders:
>From the official product spec:
"unique encoder design
teenage engineering designed floating ball bearing hall sensor encoders for
minimal stacking height and wear."
Any other synths out there with hall effect? (-:
Den sön 26 juli 2020 09:01ASSI <Stromeko at nexgo.de> skrev:
> On Samstag, 25. Juli 2020 21:58:22 CEST Ben Bradley wrote:
> > Now that I see that, I remember seeing a similar magnetic rotary
> > sensor years ago, that probably gave me the idea for this. The reason
> > I came up with using two single-axis Hall effect sensors is two of
> > them are still several dollars less than a one-chip angle sensor at
> > about $6 each.
> You don't do that. By the time you've figured out the how to align and
> calibrate the magnetic circuits you'll be several times that dollar amount
> short unless your time is worth nothing. Instead you use a sensor that
> multiple Hall elements integrated and the necessary compensation already
> in, like the TLV493D (disclosure: I work for the manufacturer, but not on
> product line). There's an eval kit that comes with magnetics and
> should you want to try it:
> There's even code on GitHub that you can crib (it also has the 3D print
> for the knobs).
> +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+
> Wavetables for the Terratec KOMPLEXER:
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