[UPDATED] motion detector that works behind clear glass window?

Other Hardware Sensors
11

spcomputing:
Oh, this could cause some excitement:

http://www.parallax.com/Store/Sensors/ObjectDetection/tabid/176/ProductID/606/List/0/Default.aspx?SortField=ProductName,ProductName

Haven't tried it myself, but looks interesting.

Now that DOES seem interesting! Motion detection through walls! Love it, want!

Tim