Re: Faraday Capacitance Proximity Switches

["BruceR" <razrbruce@xxxxxxxxxxxxxxx>]

Search ebay for "proximity switch" and you'll find a number of
inexpensive options.

 Robert Green wrote:
> "BruceR" <razrbruce@xxxxxxxxxxxxxxx> wrote in message
>
>> Why not just use an X10 sensor? They're certainly c
>
> Not enough control.  I want to be able to come near a wall switch
> with wet or greasy hands and not have to actually touch the wall
> switch.  I also don't want the light coming on automatically - I want
> to be able to control when the light comes on, but not have to touch
> the switchplate directly.  I was thinking of using an IR sensor to
> detect reflections from a hand held up in front of the switch plate,
> but the capacitance switch seemed a little cleaner and not as likely
> to screw up the AV IR system.
>
>
> heap enough.
>>
>>  Robert Green wrote:
>>> http://www.djandassoc.com/Faraday/faraday.html
>>>
>>> Does anyone have any experience controlling room lights with these
>>> sorts of sensors?  There are areas where we would like to have a
>>> choice as to whether we turn on a light, but might have wet, sticky
>>> or mostly full hands.  These seem to be the best bet to tie into
>>> HomeVision and have it control an X-10 light as a result.  These
>>> seem a little pricey at $50 each since I seem to recall kits for
>>> such switches for sale by Allied or Lafayette Radio waaaayyy back
>>> when.