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Anonymous Poster

motion sensors

03/19/2009 5:56 AM

what is motion sensors, how it works
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user-deleted-1105
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#1

Re: motion sensors

03/19/2009 6:51 AM

The question is too vague...
The simplest motion sensor is a pendulum, if it is moved it will make contact with a ring surrounding it.

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DVader1000
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#2

Re: motion sensors

03/19/2009 11:15 AM

"what is motion sensors"

Devices that detect motion so as to activate something, usually office lighting or security systems.

"how it works"

By sensing motion.

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lyn
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#3

Re: motion sensors

03/21/2009 10:59 PM

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