RE: Just to whet your xAPpetite ;)

["BUTLER, Tony, FM" <roaming@xxxxxxx>]

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@xxxxxxxSubject: [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 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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