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Re: Non-Comfort Alarms
- To: ukha_d@xxxxxxx
- Subject: Re: Non-Comfort Alarms
- From: "Mark Pollock" <pollocmc@xxxxxxx>
- Date: Wed, 11 Jul 2001 22:41:39 -0000
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
Does anyone know of a babelfish that will interpret this? :)
Today I bought "Electronic Project Building For Beginners"
and "Practical Remote Control Projects" maybe that gives you an
idea
of my practical electronic experience (I think I used t know plenty
of theory)
One day I'll understand what half of you lot are talking about. Can
we not go back t queries in MS-Access where I'm on reasonably firm
ground!!
If you can break this down t words of one syllable it'd be much
appreciated.
Mark (feeling very stupid)
--- In ukha_d@y..., James Derrick <james@a...> wrote:
> On Mon, 09 Jul 2001 10:40:40 -0000, you wrote:
>
> >Has anyone got any experience of interfacing with Alarm Systems
other
> >than comfort ones?
>
> I have the remains of a system used for years in a previous house. I
> simply traced the zone input circuits (typically large resistors,
and
> a supression cap), worked out which was a supply rail and which was
> the signal t the controller and added a wire t a CD4050 level
> shifter/ buffer. This was then linked up t a 8255 PIO board in a
PC.
>
> This worked a treat- the panel worked normally, and the PC had
> independant monitoring of all inputs and outputs.
>
> TTFN,
>
> James
> James Derrick james@a..., Cramlington, Near Newcastle, England
> Beyond the Horizon of the place we lived when we
were young,
> In a World of Magnets and Miracles. Pink Floyd.
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http://www.automatedhome.co.uk
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