RE: Stair Mats

["BUTLER, Tony, FM" <roaming@xxxxxxx>]

> I guess I need _4_ mats, and depending on the order they're 
> pressed in, I can work out what's happening:

In fact Mark, you need 5.
When I was younger, and a lot fitter, I sometimes used to jump about 1/2
way
down the stairs and then one more jump to the bottom - so I only touched
one
of the middle steps.
The good news is that you are _fairly_ certain the person is travelling in
a
downward direction if they only hit the middle step :-)

Now Pippa may not be able to even walk yet, but think of the future when
she
will, and may attempt such a feat also.
Heck, she might even opt to slide down the bannister and bypass the
step
sensors completely.

Forget the mats - put a beam break at the top and bottom of the
stairwell
and one point skywards about 1/2 way up the bannsiter :-D


T.



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