[BC] Silence Sensor

[Glen Kippel]

Yes, I am sure a few bells and whistles would be all it takes.  Just make
sure no tourists are harmed by your trap.  People like PETA might get upset.

On 3/28/07, Kevin Tekel <amstereoexp at yahoo.com> wrote:
>
> Glen Kippel wrote:
> > That seems like a roundabout way to solve a problem.  Yes, I build
> > things that have no commercial equivalent, but anyone can make a silence
> > sensor if they have an amplifier with a bridging-impedance input;
> rectify
> > and filter the output using an appropriate RC network, and use the
> > resulting voltage to control the base of a transistor that in turn
> > controls a relay.  You can use a buzzer, bell, Sonalert, steam whistle
> or
> > whatever for an alarm.  Tie it to a status input on your remote control,
> > even.  It's not that hard.  Just a little time-consuming.
>
> With a buzzer, bell, steam whistle, and his vintage Coke machine, Paul
> would be just a few more gadgets away from being able to operate his
> station's studio building as a tourist trap.
>
>
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>
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