The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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post #27 of (permalink) Old 11-10-2010, 07:56 PM Thread Starter
Children Boogie
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Join Date: Dec 2006
Location: Cincinnati
Posts: 15,983
Doh! there's no way to tell the sensor what the distance is to the light source... will have to rethink the equation.

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