Re: X-10 RF Freq Mod

[nobody@xxxxxxxxxxxx (Dave Houston)]

Just Another Joe <address@xxxxxxx> wrote:

>The best thing, or course, would be to have them on different
>frequencies.  Hoping someone will be able to point me to some
>reasonably-priced RF motion sensors using a different frequency than the
>x10.com transmitters.

It's a little more complicated. You need a receiver of the same frequency
and the receiver module needs to have enough smarts to decode the RF and
output something you can act on.

Most of the suppliers of security devices have wireless motion sensors. I do
not want to support these directly in roZetta because each protocol
supported requires some amount of code space and code space is somewhat
sparse. I will design separate modules with RF receiver and a PIC that will
receive, decode and output via RS232/RS485. You can input this via any of
roZetta's serial ports or the RS485 network. This requires minimal internal
code space. Initially, I want to limit this to a few of the most widely used
like GE ITI, Caddx, Visonic. It also needs to be limited to ones using ASK
modulation and frequencies which the 8-pin Wen Shing or Radiotronix RF
receiver I prefer can handle.

http://davehouston.net
http://tech.groups.yahoo.com/group/roZetta/
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