RE: HA Holy Grail #1: Occupancy Detection

["Andy Laurence" <andy@xxxxxxxxxxxxxxxxxx>]

From: Frank Mc Alinden [mailto:frankmc@xxxxxxx]
> I use my standard alarm pirs to trigger  my cbus lighting via relays
when
> required....In the loungeroom i have a small sensitive pir connected
to my
> probe system via a black box which has a pic controller....If any
movement
> detected it triggers/retriggers a 5 minute timer ...Homevision polls
the pir
> probe every 5 minutes and decrements a counter if the probe is off
...so
> after 15 minutes if no movement detected it turns the lounge lights
off...I
> also added an ir receiver to the black box so if ir was received it
would
> also retrigger the 5 minute timer.....works quite well......

That sounds great!  So the PIC does the timers?  I think the xAP NetIOM has
a couple of timers.  I may be able to utilise them somehow.  Either way, I
will document it, and post it when I'm done.

Cheers,
Andy