Your title is misleading, what you are talking about is a standard
tuner - not detecting the frequency of each string by using optical
spectrum waves. Yes it is also possible.

On Thu, May 26, 2011 at 4:22 PM, Mark E. Skeels
<mskeels@competitionelectronics.com> wrote:
> I didn't look at the stuff you guys made or the links you posted.
>
> But use a dsPIC and do all 6 strings (or 12!) at the same time.
>
> :-)
>
>
> Mark Skeels
> Engineer
> Competition Electronics, Inc.
> TEL: 815-874-8001
> FAX: 815-874-8181
> www.competitionelectronics.com
>
>
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