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Ok, in the future when if I build out more PCB's I'll refer back to here and see if I can make this a better light. Currently I have 2 of the lights built and both lights are over King Louis xiii and doing great. I will slowly bring them up to 300watts and make sure they can handle it. At...

All i did was a 1/8th inch aluminum flat sheet for a heatsink. So far it seems to be working well with airflow in the grow space.

1: To cover a 4x2 area per light extremely well 2: Not really I listen to everyone, I have not dismissed anything you have said. These are the boards I have currently and it will be awhile before I make another. Of course I'd want my next boards o be better if that option is there.

Well if the PCB draw is 1.75 maxed and I get over 326 watts then I would be about about 1.6mA at 300 like what the calculator suggests I might be at. I wanted the board to be efficient because saving on a few chips only amounts to like 3-4$ saved at best. The issue with adding more chips is...

I have not looked into selling the boards as I have not even tested them to make sure they won't burn up or something crazy. If it all worked out and I were to sell boards I'd only do it if I had like 20 or more to place for an order for and I would think around .60 cents a watt with calling it...

Thx again kony, I actually meant to buy the 1750A not the B. In the future (I have the more PCB after these 4 I build out) I'll get the HLG A version.

Chance you can link me these switch connectors?

Sent you a PM or 'started a conversation" with you kony. Never really sent PM's before.

Oddly before I added the potentiometer I saw 326watts from the wall, after I was just under 300 maxed. In the end all I wanted was a 275-300watt board so sounds like that's where I sit and that makes meh happy. thanks Kony brado.

Ok, great haha. I have 7 boards so I'll wire one up to test DC later. Thanks a lot guys! It's amazing to have so much help on stuff from people round here.

But the driver shouldnt be able to be over 1.750mA draw yes? I basically don't want to have chit catch on fire =X

The idea for the light is to be use in commercial grows using pallet racks. I keep finding odd sizes in pcb's where you have to put a few together and to me it gets awkward and can be a lot of work. This light takes like 10 min to wire up and set on the heatsink. I want a commercial work horse...

Well thanks for the info. I made the board for myself as I plan to grow in pallet racks and need all the room I can get, the light is thinner than a pen. Anyone I talk to here where I live who happens to be a grower seems to have some amount of interest in me building them lights. I don't know...

Hello, I built a PCB with 672 LM561C S6 bin chips 3500k, when I used the Samsung calculator is said at around 1500mA I would be sitting at aprox 300 watts. My PCB is 56 chips long in series and 12 rows wide in parallel. The light turns on fine but at 300 watts I'm seeing 2.7 amps off the...

Yep. Light is a non issue, you can go down and buy good lights and set up in hours... Getting genetics that make people say "wtf!" is much harder than you would think. You can buy decent genetics all day, but unless you're gonna trade me some A+ genetics for mine, it ain't gonna happen =) Also...

All aspects are important, but genetics are genetics... If the genetics are not there to yield the weight it will never happen even if everything else is optimized. Out of all things I'd take A++ genetics over the best of anything else. If I gave you a low yielding 10% thc strain with mid level...

Kinda older thread but I wanted to give my 2c for people that look it up for the debate. I flushed because that's what I read to do and people that tried my stuff would almost always ask about "how long did you flush brah?" One grow I decided to stop flushing until I felt like the whole grow...

Yeah, can't have one without the other so it's kinda a tie haha. Every step is important, none can exist without the other but when asking about yields/thc/cbd IMO the genetics is 80% (random feel good %) of the equation.

#1 is strain #2 is strain 3# is environment 4# is grower 5# nutes 6# lights The order of course is opinion but I can say for myself I have grown some very good stuff but about 6 months ago got a few strains that are far better than the vast majority of stuff I see around and my genetics. I...

Feels like there is a massive amount of missing information. Temps Wattage Bugs PPM's PH Light height Humidity Strain Medium Light cycle (hours) All should be simple to answer and a pic or two could really help.