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.
http://www.automatedhome.co.uk
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