[PD] Piezo, trigger, Arduino

[Pierre Massat]

Oops. Sorry, i meant Martin, obviously.

2011/6/22 Roman Haefeli <reduzent at gmail.com>

> On Wed, 2011-06-22 at 15:06 +0200, Pierre Massat wrote:
> > Thank you all for your advice.
> >
> > @Roman : what type of op-amp do you use?
>
> I guess, it was Martin Peach who suggested using an op-amp. However, I
> think many common ones will do.
>
> Roman
>
>
>
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