Re: Using garage door safety beams

[G. Morgan <alarmpro@xxxxxxxxxxx>]

On Sat, 02 Sep 2006 22:34:45 -0500, Les Blalock
<lesNOSPAM@xxxxxxxxxxxxx> wrote:

>
>Is there any place that sells something that could be tied into the
>safety beam of my garage door opener to trigger a remote chime to
>indicate someone/something has entered my garage when the door is
>open?
>
>It appears that the wires from the sensors to the door control carry
>around 10.85 volts dc until the beam is broken when the voltage jumps
>to around 12v.  Would maybe the X10 Powerflash recognize the ~ 1v
>difference and trigger an X10 receiver?
>
>Thanks for any help/suggestions.
>
>Les
>


This soulution does not use the beams, but it will do what you want.

http://www.smarthomepro.com/solution53.html


--

-Graham
(remove the double e's to email)