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Old 04-27-2010, 09:17 PM
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K'Tesh K'Tesh is offline
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Lightbulb Say Cheese!

Many of the sensors in Beaverton are actually tied to a camera. I've found that to trip those on wet nights is to locate the camera, and shine my helmet light directly at it.

They work when they detect a large change in the values of the pixels in the sensitive areas.

So, if you don't see a diamond, or circular cut, and you know that the intersection is not set by a timer only, look for those cameras.
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