Re: HA Holy Grail #1: Occupancy Detection

["Frank Mc Alinden" <frankmc@xxxxxxxxxxxxxxxx>]

Hi Guys

Gerry Duprey has produced a pcb for the Maxbotix  sensor and also has a
driver board for RGBLEDs .......
http://www.rgbled.org/store/index.html

HTH
Frank


----- Original Message -----
From: <ian.bird@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Tuesday, August 22, 2006 9:38 PM
Subject: RE: [ukha_d] HA Holy Grail #1: Occupancy Detection


>I did indeed. I was composing you a mail when I saw this. I have one or
> two here for you, let me know your choice. I'll send the other details
off
> list.
>
> Thanks
>
> Ian
>
>
>
>
>
>
> "Paul Gale" <groups@xxxxxxx>
> Sent by: ukha_d@xxxxxxx
> 22/08/2006 10:48
> Please respond to ukha_d
>
>
>        To:     <ukha_d@xxxxxxx>
>        cc:     (bcc: Ian Bird/CV/Novartis)
>        Subject:        RE: [ukha_d] HA Holy Grail #1: Occupancy
Detection
>
>
> Ian - did you not go ahead with a BB on the ultrasonic sensors? I
remember
> emailing but can't remember if anything happened from there???
>
> Cheers,
>
> Paul.
>
>
>
>> -----Original Message-----
>> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of
>> ian.bird@xxxxxxx
>> Sent: 22 August 2006 10:33
>> To: ukha_d@xxxxxxx
>> Subject: Re: [ukha_d] HA Holy Grail #1: Occupancy Detection
>>
>> Hi Andy
>>
>> I use this in the kitchen and have two observations.
>> 1) Ambient light in the room should be considered and
>> 2) As Paul mentions PIR lag and subsequent X-10 transmission
delays (if
>> you use X-10 that is) make the lights slow to _very_ slow at
times.
>>
>> As for my system - I have just had some ultrasonic range sensors
arrive
>> from the States and I hope to use these to cover the kitchen area
and
> then
>> with some wizardry I can note the 'normal' distance returned and
thereby
>> know when it varies. If it varies it must mean something is in
there,
>> hopefully a person. With some programming this could become
intelligent
>> too and adapt. This might be relevant in the winter for example
when we
>> hang washing from the ceiling dryer (there is an AGA in the
kitchen so
>> everything dries overnight). If all this works I will retire the
PIR
>> gladly as no movement switching off and long off times to
compensate are
> a
>> pain. This is probably a winter project though.
>>
>> Thanks
>>
>> Ian
>>
>>
>>
>>
>>
>>
>> "Andy Laurence" <andy@xxxxxxx>
>> Sent by: ukha_d@xxxxxxx
>> 22/08/2006 09:49
>> Please respond to ukha_d
>>
>>
>>         To:     <ukha_d@xxxxxxx>
>>         cc:     (bcc: Ian Bird/CV/Novartis)
>>         Subject:        [ukha_d] HA Holy Grail #1: Occupancy
Detection
>>
>>
>> I've finally puched down all the CAT5 in Node0, so it's time to
think
>> about lighting.  I've got the switches and lighting controllers
sorted,
>> but what I'd really like is automgic lights.  This leads me in
pursuit
> of
>> the holy grail.  Occupancy detection.  Has anyone got a reasonably
>> reliable method of occupancy detection?  I'm thinking a sensitive
PIR,
>> which triggers a timer and turns the light on.  When the timer
reaches
>> zero the light goes off.  Whenever the PIR is triggered, it resets
the
>> timer.  I suspect I can do this with xAP Floorplan, although I've
not
>> checked yet.  Has anyone implemented this?  If so, any
recommendations
> for
>> PIRs?
>>
>> Cheers,
>> Andy
>>
>>
>>
>>
>>
>>
>>
>> [Non-text portions of this message have been removed]
>>
>>
>>
>>
>> Yahoo! Groups Links
>>
>>
>>
>>
>>
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> Yahoo! Groups Links
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> [Non-text portions of this message have been removed]
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> Yahoo! Groups Links
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