I see loads of tutorials on here about grow lights - some are downright terrible, others are decent, and most are a mix of the two. Some are just some simple, 20ma lights - not enough for growing squat. Some are better, using 3W diodes, but the drive circuitry is often weak or non existent, or they ...
By: Gran Abuelo
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from Instructables: exploring - technology http://ift.tt/1wC1QUo
By: Gran Abuelo
Continue Reading »
from Instructables: exploring - technology http://ift.tt/1wC1QUo
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