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Unread 05/05/2012, 08:02 PM   #1
Euler Kernighan
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Join Date: Sep 2010
Posts: 453
Thumbs up LED, driver & controller, power supply: advice for a large reeftank

Hello LED DIY'ers and Masters!

I really need your help and expertise here! I'm working in a large reef tank >>> http://www.reefcentral.com/forums/sh....php?t=2003931 <<< and the illumination phase arrived.

At the beginning of this project was considered MH+T5 combo (it was based on my experience back on '02) , but nowadays i'm really excited to play around with LED. still a newbie on this LED world but loving this thing.

I spent a lot of time researching here at RC and learnt a lot from:

DIY LEDs - The write-up - http://www.reefcentral.com/forums/sh...php?p=18488741
Arduino with display for DWZM's CAT4101 LED drivers - http://mail1.reefcentral.com/forums/...php?p=18847574
Who wants a cheap, simple, Arduino-based LED controller? - http://www.reefcentral.com/forums/sh....php?t=1847680
DIY LED driver for reef lighting - http://www.reefcentral.com/forums/sh....php?t=1759758

But I have to confess that i'm really confused about:
  • LED color ratio: blues (royal and blue), whites (cool or neutral), red, green, violet, cyan
  • secondary optics options
  • power supply
  • drivers - MW 'regular' dimm ones or CAT4101, LM3409HV controlled by Arduino board. Intend to dimm each color.
  • thinking about 8.46"x 12" heatsink - 36 to 42 LEDs on it - two or four coolers.
  • find a realiable LED reseller with a good customer service/support

As I said I know nothing about LED and i'm ready to strictly follow your advices!


btw, that's the LED layout that i'm planning






Thanks in advance!


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