Of course, any tinkering you do likely automatically invalidates your
building insurance policy upon a fire-related claim :)

-marc

On 11/29/09, YES NOPE9 <yes@nope9.com> wrote:
> I have a number of alarms in a multi-unit basement crawl space.
> Smoke, CO , Explosive Gas
> When a battery goes dead , it is annoying to find out which device is
> the problem.
>
> I am looking for creative ( and cheap ) suggestions about how to make
> these tweeters distinctive.
> I would be thrilled to come up with a way to report the results via
> the internet.
>
> for example:  if I could have a different tone for each one and detect
> that, I could
> use a smart ethernet adapter ( PIC based of course ) to report the
> problem.
> Would different length tubes make the beeps distinctive ?
>
> I guess I could run cheap microphones to each tweeter.
>
> ( Olin    Please don't give me another award )
>
> Gus
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