Roger Mills wrote:

I wouldn't use a motion sensor - I'd simply use a PIR detector which detects
the presence of a warm body.

IME, they still stop triggering unless the warm body is moving (at least
some of the time)

--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/