Re: Sensor

[Stuart Grimshaw <stuart@xxxxxxx>]

What about a switch on the door? Couple that to the PIR with some logic
like If the switch (door) is closed, & the PIR is on switch the
extractor &
heating on till the door is opened again?

As a safety, you could also have the also program the heating off if the
PIR isn't triggered for 15 minutes (how long are you going to lie in the
bath for :-)

At 08:08 02/08/00 +0100, you wrote:
>That one did cross my mind. I dont like the thought of wires in my bath
>might give the wife an idea!
>
>Cant think of any to add water level sensors with out been unsightly.
>
>----- Original Message -----
>From: "Julian Driver" <julian@xxxxxxx>
>To: <ukha_d@xxxxxxx>
>Sent: 02 August 2000 7:37 AM
>Subject: Re: [ukha_d] Sensor
>
>
> > In message <014301bffbeb$73336e60$0100a8c0@xxxxxxx>, Steve
<steve@xxxxxxx>
> > writes
> > >Hi,
> > >
> > >I have PIR's in most rooms, controlling the heating zoned
into one for
>each
> > >of the three floors. With my own software monitoring
movements and then
> > >trying to intellegently work out a heating schedule doing
away with a
>timer
> > >altogether. The PIR's can also be used for the obvious -
security.
> > >
> > >Now for my question. I want to detect when the bathroom is
occupied to
>crank
> > >up the mechanical ventillation and raise the temp a few
degrees. A PIR
>will
> > >be of little use detecting my 16 stone mass when there is
little movement
> > >when i am in the tub.
> > >
> > >Can anyone recommend a suitable sensor ?
> > >
> > >
> > >Steve.
> > >
> > Water level?     ;)))
> > --
> > Julian Driver
> >
> >
> >
> >
>
>
>
>

----------------------------------------------
Stuart Grimshaw
Schoolsnet Ltd                         Special
t: 07976 625221                        Projects
e: stuart@xxxxxxx          Developer
f: 0870 7060260
www.schoolsnet.com
----------------------------------------------


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