> > > This may be a starting point but I *was* hoping to find something
> > > that already exists.  Like I mentioned - it could be as simple as a
> > > key-fob with only a couple of buttons on it.

Maybe you need something like this ...

http://www.microchip.com/stellent/idcplg?IdcService=3DSS_GET_PAGE&nodeId=3D=
1406&dDocName=3Den558843


or this ...

http://www.microchip.com/stellent/idcplg?IdcService=3DSS_GET_PAGE&nodeId=3D=
1406&dDocName=3Den557517


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