Il 11-Mar-98, Herbert Graf scrisse:


>>
>> The question is: where can I get them and how can I protect
>> any other emitter from water without loosing it's capabilities...

>        I believe most emitters are piezo, which is real easy to find. Look
in one
> of the recent electronics now issues, they have a hydrophone project. The
> emitter consisted of a piezo element epoxied in a bottle cap or something
> like that. TTYL

I'll ghive a look... thanks

--

   - *Alex* -

  http://freepage.logicom.it/azummo/