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The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


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Re: Room occupancy detection and door opening/closing - 1-wire or wireless solution?



The Phaedrus Beambar does this..
http://www.phaedrusltd.com/system/index.html
It can be positioned diagonally to reduce width - but it's still a
fairly large/ugly piece of kit and requires wiring on both sides. What
we really need is a dual beam version that is cosmetically nice -
ideally fitting recessed into a circular rebate.

I'll be playing with Pulsars (beam stress sensors too) when I finally
get around to improving room occupancy http://www.sureaction.com/pulsor.htm

Idrateks' Cortex application has a layer of 'smarts' that helps with
occupancy counting as it knows about paths into and out of rooms,

K

Paul Gordon wrote:
>
> Beam-break sensors in the door jamb would signal someone actually
> passing through the door rather than just opening it. Multiple
> beam-breaks positioned horizontally could even give you the direction
of
> travel (and I guess vertical ones could tell you how tall they were,
> which might be useful if there are kids in the house perhaps?)
>
>


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