New horticultural Tool from Cree
- Thread starter welight
- Start date
Jonesfamily7715
Well-Known Member
Playing around with this tool and thru a lil 65 watt xpg3 light together for shits and giggles. I have a 700ma 65 watt driver ready and all these are on direct thermal path boards, the whites are on copper. 40 xpg3 2.5 gb ratio photophyll 8 xpg3 2700k 90 cri 16 photo reds and 8 xpe2 far reds (going on later tonight). Adds up perfectly to 2 strings of 96 volts 350ma each.Hvgc-240-700 driver, ssxt heatsink (used for qb96 v2 engine) Figure it would be good for something small. A little passive high power fixture
It's a little work but you can put all the bins drive current, driver efficency all that shit.
It's a little work but you can put all the bins drive current, driver efficency all that shit.
Diode.Dude
Member
Highly suggest just sending your LEDs to adura to assembly. They would price you out and source, or if you have some smoking deal on the LEDs, consign to adura and they will assemble. Without a stencil, you're hurting yourself and LEDs. DIY is cool...I'm all about it. But shorts, solder voids, overflow, and fires are not very cool at all. If you want the closest specs in real life to the spec sheet...assembly quality matters a ton.
Had them do these in 2018
Jonesfamily7715
Well-Known Member
Yes! This is exactly where I bought those 16 up boards. I tried buying a solder stencil and they do not sell them. You can't really make those boards work without regulating the solder I kinda rigged one up outta copper shim stock lol.
cdgmoney250
Well-Known Member
How much did that set you back per mini board?
Diode.Dude
Member
Can't remember. Weren't cheap compared to a white COB at the time.
Figure using today's cost of XPG3's, it's ~18$ of LEDs. Then add board(copper here) and assembly cost. Could use aluminum with today's efficacy to save some.
So probably ~30$ maybe.
It's their LOB module just with 3 photo reds subb'ed into each string.
Issue will be cost vs quantity with low volume if they don't have LEDs laying around.
Wastei
Well-Known Member
Working as an electrical engineer doing repair work tells me your soldering skills needs some work. Those soldering joints are far from being considered safe in my line of work.
Cold solder joints break easily from vibrations or change in the environment and then you have a potential fire hazard at hand.
Cheers!
Last edited:
Rocket Soul
Well-Known Member
Very nice thermal specs on hose boards.Can't remember. Weren't cheap compared to a white COB at the time.
Figure using today's cost of XPG3's, it's ~18$ of LEDs. Then add board(copper here) and assembly cost. Could use aluminum with today's efficacy to save some.
So probably ~30$ maybe.
It's their LOB module just with 3 photo reds subb'ed into each string.
Think there is a two channel version.
Issue will be cost vs quantity with low volume if they don't have LEDs laying around.
Jonesfamily7715
Well-Known Member
Those aren't solder pads, I sanded down the circuit to split it in 2 years ago when I recieved those boards, that's simply a quick bridge making the circuit 1 so I can test my work It must be broken once again to do as I was stating. I spent several years as an actual field electrician myself, sounds just like engineer talk everything always works out perfectly when it's in theory.
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