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T O P I C R E V I E W
bill
Posted - Sep 21 2008 : 08:15:56 AM What is it and what is it used for???
5 L A T E S T R E P L I E S (Newest First)
bill
Posted - Sep 23 2008 : 09:13:31 AM Thanks audioguru and Aaron Cake!! That's what I like about this website. You are a big help!!!!
Aaron Cake
Posted - Sep 22 2008 : 7:02:24 PM I've also seen passive motion sensors that use ambient light levels. They detect subtle changes in ambient light reflected into a sensor. PIR sensors are much better though.
audioguru
Posted - Sep 22 2008 : 12:08:16 AM A PIR is a passive motion detector sensor.
bill
Posted - Sep 21 2008 : 9:18:53 PM Are there more then one? I was asked if I had ever used one. I just looked dumb and said no. But the more I thought about it I would like to know something about it.