[sdiy] Silhouette Eins optical synthesizer
list at mikebeauchamp.com
Sat Sep 4 18:45:42 CEST 2021
On 9/4/21 8:13 AM, cheater cheater wrote:
> 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.
No - I ended up looking this up, it works pretty much how I guessed -
just stuck to a touchscreen with 'fingers' underneath that touch against
the screen. No magnets, no hall sensors.
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