Yeh, I had looked at those, however, I wanted to try and explore the
possibilities
of doing something home-brew perhaps, and trying to cut down on
costs.
Thanks,
Jonathan.
-----Original
Message-----
From: BUTLER, Tony, FM
[mailto:roaming@xxxxxxx]
Sent: 18 September 2002
12:35
To: 'ukha_d@xxxxxxx'
Subject: RE: [ukha_d] Just to
whet
your xAPpetite ;)
Jonathan,
What
you
describe doesn't sound especially intelligent at all - and certainly not
difficult.
You
can
get, for example, a futronix P100 light switch for about 150 notes that
fits a
1 gang 47mm deep box.
These
have two channels of 300W each and can store about 20 scenes with each of
the
two channels at any one of 63 different brightness
levels.
In
your
scenario, you would simply choose a different scene that turned off some
lights
and left on others.
The
switches can be IR controlled, or via on/off and scene up/down buttons on
the
actual units.
Of
course, if you want more than two channels and/or want to be able to
control
the lights in a more intelligent way than you have described so far, then
these
will probably not do the job, but they do meet the requirements you
mention.
There
are other controllers further up the price scale for more sophisticated
requirements.
Lutron
and a few others also do similar devices. chect out letsautomate.com
for
some of them.
HTH,
Tony
-----Original
Message-----
From: TAWN Jonathan
[mailto:jonathan.tawn@xxxxxxx]
Sent: 18 September 2002
12:04
To: 'ukha_d@xxxxxxx'
Subject: RE: [ukha_d] Just to
whet
your xAPpetite ;)
Hi Ian + rest of
group.
Here is an idea I've
had
...
Initially I thought
about
using a relay board from mollyology.com .. then was advised about using
TINI
...
Perhaps this may be the
key
..
I want an 'intelligent
lighting system' .. that can control 6-10 lights (little 12v downlighters
(the
led ones.)) if I put say, 6 downlighters in my lounge, and I have 2 that
are on
the far wall, 'above' the TV .. I want to be able to turn 4 of the lights
off,
and leave 2 on, that will be dimmed to a slightly lower level (the ones
above
the TV).
However, in addition, I
want to be able to use a Pronto (be that with IR or RF) AND a set of
wall-switches to turn them off / on (not sure of how the wall switch would
be
setup yet.. how many switches etc) and last but not least, a pc interface
would
be fantastic.
While I'm on this
subject,
whats the score with 12v lighting and IEEE ... as I'll be binning 240v
lighting
(pretty much .) are there any 'rules' that would have to be conformed to
?
Any thoughts / help on
this
would be appreciated.
Jonathan.
-----Original Message-----
From: Ian Lowe
[mailto:ian@xxxxxxx]
Sent: 17 September 2002
18:31
To: ukha_d@xxxxxxx
Subject: [ukha_d] Just to whet
your xAPpetite ;)
I have a small circuit on my desk here, which is based on a PIC16
processor.
It has a *tiny* number of components, but can talk serial to a PC at
9600
baud.
This circuit has a light and a standard mains wall switch attached to
it.
Flick the switch, the light comes on, and the device sends a xAP
message
out
onto the RS232 connection to the PC. A xAP application running on the
PC
forwards this on to the Ethernet network, so that an application
listening
on Jenni's PC knows that the switch was just thrown, and the light is
on.
Jenni then sends a xap message from a controller app, saying no, switch
that
light off again.
The PC application sends the message on to to the PIC, which dutifully
obeys
the xap Message, and turns the light off. a second or so later, it
sends
anothe xap Message, to let any application on the network know that
the
light just went off.
It's a proof of concept, but when you consider that this circuit costs
about
£8, the bright future of xAP should be obvious.
The first version of the protocl has now been finalised, and we
need
developers to assist, and if you have a personal HA itch that
needs
scratched, now is the time to do something about it.
Trust me on this.
I am a complete noob at both Visual Basic and PIC development, yet I
have
working IC xAP hardware, and a Winamp Controller written. If you want
to
make it happen, you can.
Ian.
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