[sdiy] Silhouette Eins optical synthesizer

cheater cheater cheater00social at gmail.com
Sat Sep 4 14:13:25 CEST 2021


I mean conceptually it's only a couple of switches (plus and minus),
maybe it has two interlocking rings of magnets that create a gray code
of magnetic fields. Then it's easy to pick that up with a hall sensor.
Easier to do than a precision manipulator for capacitive touch screens
I think.

On Sat, Sep 4, 2021 at 12:47 AM Mike Beauchamp <list at mikebeauchamp.com> wrote:
>
>
>
> On 9/3/21 3:41 PM, cheater cheater via Synth-diy wrote:
> > I don't think capacitive sensing would pick up a rotation this fine,
> > would it?
>
> Wow, I've never seen this before.
>
> My guess would be that it's just adhered to the screen, likely using 3M
> 2-sided tape (VHB) and the rotating part has one or several "nubs"
> pressing against the screen. The "nubs" would be made of the type of
> material that makes touchscreen-friendly gloves work.
>
> Count my vote for "touchscreens in cars are a terrible idea".
>
> Mike
>
>
>
>
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