Re: Re: 1-Wire network wiring

["Jon Wilkins" <jonpdwilkins@xxxxxxxxx>]

Being slightly pedantic, wouldn't the affect be the same throughout
the year
- that the temperature when the door is open would "tend towards"
the
ambient temperature outside - so there may be no drop in summer but could
perhaps in fact have a rise in temp instead... though the closer the inside
temperature is to the outside temp, the less "tending" that could
be
detected -- ie on a warm day of 19C there may well be genuine equilibria
between inside & out even with all windows & doors closed...  In
which case
the sensitivity of sensors would play a more significant part.

I suspect humans tend to sense "door open" conditions more by
sensing air
movement (draughts) than temp change.  Or maybe just through having a
previous detected presence of The Other Half ! :-)

On 10/26/07, Max Hodgson <max@xxxxxxx> wrote:
>
>   Surely data like this would only be useful half the year, as it
would
> provide probably no drop in temp during the summer.
>
> On 26/10/2007, JonS <semi.jon@xxxxxxx
<semi.jon%40btconnect.com>>
> wrote:
> >
> > --- In ukha_d@xxxxxxx
<ukha_d%40yahoogroups.com><ukha_d%40yahoogroups.com>, Chris
Hunter
> > <cjhunter@...> wrote:
> > >
> > > sorry, I was really just exploring the idea of lots of temp'
> > > sensors ... . Did you see Nigel's post ... interesting ! ?
> > >
> >
> > Yep, and I agree interesting things can be gleaned by
observation, the
> > open door to the kitchen correlates well with a dip in kitchen
temp
> > here. But if you have door sensors and relays on the lights the
temp
> > data is interesting but I think very hard to use as an indicator
of
> > other information in an automated fashion. Not wishing to put you
off
> > if you can see a way to make it work but it seems a hard way of
going
> > about it, but then I have not played with the fuzzy logic module
in
> > Cortex - still getting to grips with the basics.
> >
> > Jon
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>
>


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