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03-09-2009, 09:55 PM #11
Senior Member
Calling out to Weezard for LED advice
About time. Got 6 reds and 2 blues epoxied down and lighting up.

Here's the voltages they want in order to draw 1.2A each:
Reds
1 10.6
2 10.9 (10.6V gives 1.1A)
3 10.6
4 10.6
5 10.6
6 10.8 (10.6V gives 1.1A)
Blues
1 14.7
2 15.2 (14.7V gives 1.0A)
So, I can balance 'em out with resistors, or not. I can run all the reds
at 10.6 and have the 2 stiff ones running just a tad cooler @ 1.1A.
I can run 3 of the 10.6's together on the PLN 60-12, and get another 60-12 to drive the other 3 @ 10.8V, with a resistor to protect the lone 10.6V in that string. Or, if the 60-12 would handle it, I could run all 4 of the 10.6V reds together, but then I'm still looking for a driver for the 2 remaining reds. Not so sure "pushing" the 60-12 gets me anywhere in terms of matching the drivers up with the leds. Weezard, whatcha think?
For the blues, I can put a resistor on the 14.7V led and run 'em @ 15.1V. Since I may have overkill on the blues anyway, I could also just run at 14.7V and let the 15.1V blue cruise along a 1.0A. When I run the pair at 14.7V they look the same to me: too bright to look at. :smokin:
Back in a minute with resistor calcs. Don't tell me the answer! :detective1:Need advice wth plant problems?
Use this form: http://boards.cannabis.com/plant-pro...ing-forms.html
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