> >What motion are you trying to detect ? i.e. Human, whole body, walking
> >towards camera.
> >Are you willing to spend money ?
> >If you are how much tops ?
>
> In the olden days, we did this with photocells and suction cups, on a
> monitor screen.
>
I disagree, in the olden days when I was a young lad we used to put
peasants at a strategic points. They did have a tendency to go into sleep
mode but booting them at regular intervals did tend to cure that problem

8-)

Chris

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