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IR project for beginner

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Anonymous

New Member
Looking for information on building a infrared sensor.

I am just starting to get into electronics and wanted to start with a simple
project, an active infrared sensor for the driveway. Nothing fancy simply
to activate a relay when the beam is broken, I have read something about
modulating the infrared frequency to account for ambient light and would
like to incorporate that into the project.

Thanks
polifemo at rcn dot com
 
( I have been searching with Google for three days and I missed that site)
Thanks for the info, it looks like a good start.

polifemo at rcn dot com
 
sensor kit

click on the link ,for your circuit. its easy to build and all the info is here to download in pdf.
:)

**broken link removed**
 
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