[misterhouse-users] Re: Weeder and Motion Detectors

[Jon S. <mh...@ca...>]

Hey Baz,

Will this one work?

http://ademco.com/ademco/products/sensors/motion_sensors/998.htm

In the specifications it says :
Alarm Relay
Form A, N.C. 5A contact rating @ 30V DC. 15 ohm protective resistor

Just double checking before I buy them.  =)



Thanks,

Jon

----- Original Message -----
From: "bazyle2002" <baz...@nt...>
Newsgroups: gmane.comp.misc.misterhouse.user
Sent: Wednesday, March 24, 2004 6:30 PM
Subject: Re: Weeder and Motion Detectors


> Most detectors have a set of plain contacts as the output so can be
> interfaced directly. The weeder inputs have pull ups to +ve so you
> wire the detector relay contacts between ground and weeder input. It
> makes little odds whether the contacts are normally closed or
> normally open as that is handled in your software.
> The Twiki has a bit of an example.
> A cool use for an analogue board....measure the temperature inside
> your fridge, and see how much effect it is having when the kids leave
> the door open.
>
> Baz
> --- In mis...@ya..., "Jon Scott" <mhjon@c...> wrote:
> > Hey Everyone,
> >
> > I always read posts here, but hardly ever post one myself =)
> >
> > I bought a Weeder Digital I/O Board last week, and I am interested
> in
> > hooking up hard wired motion detectors to it.  Does anyone know of
> any good,
> > hard-wired motion detectors that will work with the weeder board,
> and where
> > to order them?
> >
> > Also, I got a Weeder Analog Input board too, just because it looked
> cool.
> > Does anyone have any cool uses for it?
> >
> > Thanks,
> >
> > Jon Scott
> >
> >
> >
> >
> >
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