How about a shock/vibration sensor from a car-alarm?  Some of these I've seen 
have adjustable sensitivity.  There are also shock/vibration sensors for 
house/building windows.

Cheers,
-Neil.


On Friday 23 September 2005 02:54 pm, alan smith scribbled:
> I have an application that I was thinking of using an accelrometer for, but
> now I wonder if there is a less expensive and easier method.  Essentially I
> want to wake up the circuit if the box is picked up.  So I guess more of a
> movement sensor....its known by another name, as googling hasn't been all
> that helpful so far.
>
>
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