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Help me build a motion detector using pyroelectric sensor

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adick

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motion detector

I'm planning to build a motion detector using pyroelectric sensor.
any suggestion?
 

IanP

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Re: motion detector

More economical would be to use of-the-shelf security infrared sensor (with Fresnel lens) ...
 

silent trigger

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Re: motion detector

Good information ! Where is selling the Fresnel lens ?
 

angie-filt

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Re: motion detector

Hi

Fresnel lens are usually selled with infrared security sensors because they are parts of them.

Angelo.
 

jojokatada

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Re: motion detector

silent trigger said:
Good information ! Where is selling the Fresnel lens ?

check at digikey website or mouser
 

fuat_09

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Re: motion detector

good schema.easy made
 

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