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Thread: how to filter surounding light
picon face BY : Eric Naus email (remove spam text)

What you want to do is modulate the light at a certain freq. and then
 look for a response at that freq. That way ambient light will have little
There are many projects on the net that show how this is done.

Good luck and have fun :-)


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See also: www.piclist.com/techref/logic/dsps.htm?key=filter
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Subject (change) how to filter surounding light

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