The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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Old 11-11-2010, 03:52 PM   #36
keithy
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the $3 photodiode data you provided does looks better and somewhat matches the $17 photodiode. good find.

I am very interested to find out how everything turns out. I have been reading this thread every day since it started. With Hoppy providing useful input, I have a strong feeling it will turn out good.
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