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RE: Re: HA Holy Grail #1: Occupancy Detection
- Subject: RE: Re: HA Holy Grail #1: Occupancy Detection
- From: "Craig" <craigc.lists@xxxxxxxxxxxxxx>
- Date: Thu, 24 Aug 2006 08:58:49 +0100
> I also wonder whether a bit of logic can improve things with
> just PIRs:
> eg. if there's no motion from the living room, but there
> hasn't been any in either adjoining room, then the living
> room is still occupied.
This is exactly how the homeseer plugins work, you define pairs of PIRs
(from-to) to define 'areas', and build logic around this with timers.
The fewer people that are in the house the more reliable it is, assuming
the
house is of a traditional layout of one door to each room from the hall and
landing. Works quite well from some rooms, eg cloakroom/toilet where there
is normally only one person occupying the room. Don't expect it to be 100%
when you are having a party though ;)
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