[PLUG-TALK] Fluke 87 multimeter

Aaron Burt aaron at bavariati.org
Tue May 24 18:54:41 UTC 2011


On Mon, May 23, 2011 at 02:55:41PM -0700, Denis Heidtmann wrote:
> On Mon, May 23, 2011 at 12:07 PM, Aaron Burt <aaron at bavariati.org> wrote:
> > I'd probably also put an optisolator on the output of of the speaker, to
> > keep the Magic Smoke inside my PC.
> 
> I do not understand.  Are not sound waves isolation enough?

I had assumed you would use a direct electrical connection to the speaker
output, rather than a mic.  Mic might be harder.  It'll be interesting to
hear how it goes!




More information about the PLUG-talk mailing list