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I agree damn the whites

Just not feasible for anything other than micro. I guess if you're building like one board, but once you get down to covering larger spaces you'd be looking at placing 10k diodes by hand. At that point I will gladly pay a fabricator a small fee to save me the many hours it would take me to do it...

Good luck with the fiddly bits, I would hate to get all those SMDs on the pads without a robot to do it for me.

Who's doing your reflow soldering?

Then why are you even advertising fixtures with 2540s?

@robincnn I have sent you an email regarding an order for april.

Ok ready to email someone for a quote, who do I email?

All lights pay for themselves, but it's a special light that pays for itself in power savings alone!

So say you're running the board 700 ma. You lose one of your 8 rows, each row driven at about 90 ma, sudenly you have 90 ma to distribute across your array. Now instead of driving each row at 90 ma, they're each driven at about 97 ma (might be wrong here, mental math ya know). That's not a very...

Fuck that, do a charge back on the heatsinks at least. You can dispute customs charges but it's a pain in the ass.

There was a statement from citizen regarding the use of their products for cannabis cultivation. They're so upset about it that they don't sell their horti cobs here, but they have to sell their regular cobs in the US, otherwise they would go out of business.

Outside of high pressure situations (i.e. national defense, public health, etc) leaders aren't really necessary. Leadership is best applied to situations where a group could not reach a conclusion in a timely manner. For every position like this, there is no doubt leaders are a necessity. But...

Poster above me gave you a good configuration. Yes you can "dim" fans, a fan controller designed for use in PCs would probably work really well for this. Consider the fans may not actually really get quieter, though. A lot of the noise from those arctic coolers comes from the bearing housings...

That's not what China would have you believe.

I think they're aiming more at food production with this spectrum. That isn't a lot of blue for flowering strawberries indoors, for instance. That's not bad for microgreens and the like either. Citizen has previously stated they're not too interested in catering to cannabis growers, which with...

That depends, do you want them to stretch in flower like they currently do with the HPS, or do you want them to stretch less? If you want them to stay more squat, 3500k, if you want something closer to the morphological impacts of an HPS spectrum, go for the 2700k.

Yes on all points. I'm tapped out here, I'm ready to burn it all down and start over. We need to kick out the establishment fucks who've been screwing all of us for decades and replace them with NO ONE. Leadership is the ultimate corruption of political power, it should not be in the hands of...

Check out CLU038 chips from citizen, probably the best form factor for those heatsinks.

Plus, you run nutty efficient LED. You'd think their ideas of power use vs. what's probably a legal grow and what isn't are no doubt based on the 1000 HID lamp per 4x4 rule that so many growers have been doing for so long. With those LED's, you can probably grow more than someone else at that...

The gen 6 1212s have an average of 85% at 50,000 hours. I don't recall where I read this, but most of my brain is dedicated to data sheets at this point so that's something. I would definitely like to see these numbers, I'll see if I can dig them up for certain later tonight when I get back home.