The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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Old 11-11-2010, 05:06 PM   #37
mistergreen
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Quote:
Originally Posted by aaronbrown View Post
this might help you all out at least to make the sensor http://www.colorado.edu/eeb/facultys...e_Daniel03.pdf
I looked around for the photodiode used here... I don't think they make it anymore or anything like it. The maker got bought up or something.
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