Re: Burlar alarm output conversion?

["Alancc" <alan.cc@xxxxxxxxxxxx>]

Most panels even cheap ones have a strobe output which can be programed to
remain active after the sounder has stopped, this could used to do this, if
you want to run a loud sounder use the output to switch a relay first.

Alancc
----- Original Message -----
From: "Martin Howell" <martin.howell@xxxxxxx>
To: "ukha" <ukha_d@xxxxxxx>
Sent: Friday, February 04, 2005 9:32 PM
Subject: [ukha_d] Burlar alarm output conversion?


>
> I want to interface a cheap burglar alarm into my central indicator
> panel, so that I can see if its been triggered while I've been out.
> Also, I'd like to hook it up to an internal siren to scare the poop
out
> of the burgling person  The alarm has a built-in oscillator to drive
its
> internal siren, and I'd like to find a way to convert this into a
> latched output that will keep a LED on long after the siren has run
out
> of puff.  There must be a simple logic device that will do this, but I
> ain't clever enough to know what it is - anyone able to help, pretty
> please?
>
> Martin
>