[sdiy] First working PCB from this semester's synth class

[Quincas Moreira]

Aaron, that's cool!  I've been using lot's of homemade vactrols in my
designs for the intro classes I give too.  One is a very simple Low
Pass gate using two LDRs and one LED encapsulated in thermofit.  Would
you be willing to share the schematics for this filter, or am I asking
too much?

Cheers!

Quincas Moreira

On Tue, Apr 28, 2015 at 12:39 AM, Lanterman, Aaron
<lanterma at ece.gatech.edu> wrote:
> A four-pole filter with feedback, with a single LED driving four LDRs for the filter stages, and a second LED driving a fifth LDR for resonance control...
>
> PCB photo:
>
> https://twitter.com/abovenyquist/status/592830635619803138
>
> Youtube demo:
>
> https://www.youtube.com/watch?v=5ysI6wSXW4k
>
> - Aaron
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