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Hi guys, this is my second DIY project. As you will soon realize, I'm no engineer or electrician, far from it. But I read you guys and try to do my best with what I got. In my first project, I used to run 6x CXB3590 36v @ 2.8 amps each. One driver per cob. I know, it is not that efficient, but I...

Hey guys, I have a bunch of 320H 42B and a bunch of 3590s 36V. I was wondering what configuration would be better for a 4x4. I have CNC machinery so I can make pretty much any config when it comes to space between LEDS on a single piece of aluminium using passive or active heat sinks. I can...

Okay, so, I am a total newbie @ seed making, but i need to make my seeds. Why and why autos? The place I live and I don't have access to more seeds then I already have. So the thing is... I have a pack of AUTO regs. I read that it should be pretty straight forward to cross them, being the same...

Reading here and there I found that for my 3 CXB 3590 @ 2.8ish 3500K bars, the best choice for a single driver would be HLG-320H-42, (does the 36 also works?). I need to buy them now and need to decide if the 36 will do or 42s are the way to go. According to the sheets, 42s... But my doubt...

Hi guys, can you help me?! Here is the deal, I have two situations I would like to calculate PPFD, but i don't know how to calculate the exact efficiency of this COB @ 2.8A. I know how to calculate PPFD, you guys thought me, but I can't seem to find correct efficiency @2.8 for these COBs...

Hi guys, I am making a lamp for a friend. Can you give an Idea of PPFD for his space? His space Is 3.5 feet X 3.5 feet (One square meter). 8X CXB 3590 3500 4X MW 120H C1050 mA 4X 7x20 inch. heatsinks I will evenly space the...

Hi guys, basically is what it says on the tin... I have a 600w HPS and i was wondering how many CBX3590 3000k I would need and what meanwell drivers in what mA? I was hoping to use 4 or maybe 6 chips per heatsink. I will get my stuff from Jerry. Can you give me a hand choosing the mAmps and...

Hey guys, Having decided on my DIY LED setup with 4x CXB3590 80 CRI + 2X M.Well 120H 1050mA drivers, which should give me something like 300w. What is the best temp for flowering the ladies? Can this setup better the results of my HPS 400w? Cheers!

I am sorry to be posting a topic asking for help, but no one replied on the other thread meant for that. I have a space 3.4ft by 2ft by 4 ft tall. I was hoping to make a DIY grow LED lamp using CREE 3590s or something else you suggest. I am hopping to achieve 600w (maybe 400w) at the wall. See...