Re: RE: switches, RF, etc

["Steve Bradley" <steve_ukha_d@xxxxxxx>]

Hi David,

Where can I find the 433MHz mod you referred to?

Thanks,
Steve

----- Original Message -----
From: "David Pullen" <dpullen@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Friday, February 15, 2002 7:13 PM
Subject: [ukha_d] RE: switches, RF, etc


> I have just been catching up with some of the discussions over the
last
few
> days and thought I would add a few things that may (or may not!) be
useful.
>
> If you want to use LD10/11s and you don't want to change light
switches
you
> can use a normal switch. Some are easier to use than others. We have
lots
of
> Victorian style toggle switches which work really well in this mode.
We
> effectively use them as momentary switches by toggling on and then
off.
You
> get several advantages - you don't have to change your switches, there
is
a
> much wider range available, it is easy (and cheap!) to reverse
anything if
> you ever need to. Of course you still don't get any status feedback
but
that
> is another project - some day....But since the idea is to use the
switches
> only when the lights are not triggered from some other means it works
out
> quite well.
>
> I also saw some posts about RF receivers with Homeseer. I replaced all
my
> TM12s with an mr26a. you can get them pretty cheaply on ebay and they
> certainly do speed things up. The US frequency is 310MHz which
shouldn't
be
> used here but there is an excellent mod on the Homeseer forum to
convert
to
> 433MHz. You get an additional advantage of extended range with the
> modification. Now that I have extended the serial cable with CAT5 to
take
> the mr26a away from all the equipment, I have found that I have an
effective
> range of at least 20m indoors through multiple thick brick walls
(without
> any of the antenna modifications). All the X10 rf receivers appear to
be
so
> poor that it is pretty easy to improve on them!
>
> HTH someone.
>
> David
>
>
>
>
> For more information: http://www.automatedhome.co.uk
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