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    DiY LEDs - How to Power Them

    Thanks Posi, it's good to know this is an option. I was able to find some 3W Cree XTE in Royal Blue that can handle 1.5A from RapidLED, so I changed plans and ordered 6 of those to wire in series (no parallel strings). I know the Vero 29 v2 3000k COBs are really low in blue, so this should help...
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    Pictures of your DIY lights - Post your pics!!!

    JavaCo - Bad ass light! Do those arms extend out? What's the purpose of the expandable vinyl tubing - does ventilation flow through them? Kinda looks like it could double as a hamster habitat - is the light hamster powered? 4 poor little hamsters running on wheels to power the cobs? Just...
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    DiY LEDs - How to Power Them

    I'm building a 3 -Vero 29 3000k light for a small grow cabinet, and after doing some reading I'm concerned that blue is a bit lacking in the Vero 29 3000k. The plan is to run the 3 Vero's with a HLG-120H-C1050B, which leaves me some power to spare. I'd like to use the extra power to run some 3...
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    Led build~ 2' heatsink 200w

    Looking at the LDD-H spec sheet, the input voltage can vary from 9-56v, which seems like it would work nicely driven by a HLG COB driver if the COBs are running at 36v. The part that confuses me is that the input current for the 500ma version LDD ranges from 5ma to 450ma depending on the load...
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    Led build~ 2' heatsink 200w

    Ah, that makes more sense. For some reason I was assuming the COB driver was powering the LDDs. I wasn't planning on running a separate 12v DC power supply, so I don't think the LDDs would help me. I might still add the deep red LEDs, but if I do I'll get a cheapo driver to run them on a...
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    Led build~ 2' heatsink 200w

    Posi, How do those LDD 1000's get power - are they wired in series with the COBs on the DC side of your COB driver? How do you know how many LEDs can run off one LDD? Looks like 52v max, but is there a watt limitation for the LDD, or is it based on how many 'extra' watts you've got available on...
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    Heatsinks for DIY LED lamps

    Hi all, I stopped growing a few years ago, but now I'm looking to get back into it with a somewhat stealthy 2 small plant grow in a 36"w x 42"h x 18"d metal cabinet in my garage. After reading the LED threads here, I'm sold on LED and want to build a combo veg and flower light. I'm planning to...
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