[sdiy] Listening and recording electromagnetic fields

Michael Zacherl sdiy-mz01 at blauwurf.info
Tue Jul 7 13:56:48 CEST 2015

something like that?

On 7.Jul 2015, at 7:24 , Jean Bender <lofideadbeat at gmail.com> wrote:

> Hello !
> Hope your summer isn't too hot as here in france..
> Well, as i won't take hollidays, i have some time to learn and build
> some electronic devices.. I'm actually looking for building myself
> some electromagnetic fields recorder/listener.
> I've already work and search around with very lofi 386 amp and
> handmade coils, but i'd like to look after some better instruments.
> WOuld somebody have some schematics or tricks to do that ? Are there
> specific kind of components i should use ?


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