04-06-2012, 02:52 PM
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Originally Posted by cwmorrow
Have you a link to the schematic you found online?
This is where I got the basic idea: Specs & Function
Originally Posted by redchigh
since they looked better under the cool white, have you thought about just adding 3-8 (cheap) blue LEDs to help balance? make sure they're wide-angle, and somewhere close to 460-480nm would be ideal for PAR...
I haven't thought of adding anything more. "Regular" led's wouldn't be bright enough, and power LEDs would need the heatsinks and another constant current source. So it isn't as easy as just plugging them into the existing circuit.
These LEDs have their peak intensity in that range already though. It's actually red that is really lacking with these LEDs. On the first page of this thread is the color spectrum.