"Dave Plowman (News)" wrote in message
...
In article ,
M.Joshi wrote:
If I build the circuitry into a separate box next to the light switch,
is there an easy way to sense when the switch is on/off?

In the UK lighting switches are usually single pole, so if that's also the
case in the US change to a double pole one and use one pole for the
sounder.

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*If at first you don't succeed, redefine success.

Dave Plowman London SW
To e-mail, change noise into sound.
why not use one of the movement sensor type lights