Cutter Electronics: Complete DIY COB kits

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VegasWinner

Well-Known Member
sinnamon said:
hi guys! i ordered the mau5 kit and i have a couple of Q:s about it. keep in mind i´m a beginner at the LED thing so go easy on me.. first, i thought a dimmer was included in the kit but now i cant see it anywhere. reckon the simplest thing to do is to order one from cutter, will this one do the job: Cutter-1-10V Dimmer, Product ID: cut2521?

secondly, this kit is way overkill for my circumstances, i grow in two (adjacent) cabinets - one grow, one bloom - each with a footprint of two square feet. So i plan on dividing the kit up to better suit my needs, and put 3 (3500k) cobs in the flower and one (5000k) cob in the grow. now can i dim the lights individually or should i order one more driver for the grow?
any and all help appreciated/sinnamon
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you will need a driver for each dimming requirement. You could use a 2/2 and have two smaller drivers that drive two vs. four cobs. your situation will require a little thought and some assistance from the designers of the system. I am designing single COB drive systems for individual controls. I was talking with SupraSPL and he recommended many inexpensive drivers that drive ->http://www.ebay.com/itm/10W-20W-30W-50W-100W-Waterproof-High-Power-DC-LED-Driver-For-LED-Chip-50-60HZ/151510253101?_trksid=p2047675.c100005.m1851&_trkparms=aid=222007&algo=SIC.MBE&ao=1&asc=35695&meid=fd63915fa99343f78af83f7f0909d257&pid=100005&rk=3&rkt=6&sd=261889756872

small drivers for various drive current and wattage. peace good luck
 
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flat9

Active Member
Vegas curious what you're designing. This seems more in line with my interests. Is this for personal use or something you plan to build commercially? Cheers.
 
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VegasWinner

Well-Known Member
I build personally, but I can build for others as well. I built a 2x2 CXA3590,77v, 5000k, and a 3x3 with CXB3590I, 3500K, 36v, I have been considering building fixtures for others. I am always looking for more to do. You can learn a lot here, but it helps if you have an electronics background and are comfortable with hand tools. and exacting science of layout. Here is a couple i built. peace.
 

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flat9

Active Member
I'm comfy with electronics (did some analog electronics in undergrad but it's been a while). Those builds look great. I think with these new heatsyncs it's getting even cleaner. Love Netherfly's build as well. What are your recs re temp as per my other thread? Trying to sort out PPF of the lower temps... Cheers.
 
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VegasWinner

Well-Known Member
I have been running my four cob light and the fan cooling the heat sink makes the entire area cool. I do not see a heat problem, as much as keeping things warm issue. I remote mount drivers outside the grow area, to reduce heat, similar to fluorescent systems used in large heat gain areas, like labs with lots of heat generating equipment. I run my cobs light , 135w capacity running at 50w. looking into passive heat sinks n ow, meaning even cooler temps with aero system. I have PPFD around 1200 for both veg and bloom. i built separate lights for better response. Running lower wattage will get you what you are looking for. peace.
 
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VegasWinner

Well-Known Member
flat9 said:
Vegas curious what you're designing. This seems more in line with my interests. Is this for personal use or something you plan to build commercially? Cheers.
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Been thinking about it. I have a company already. Engineers, electrical, lighting, mechanical,, structural, and architects. I really like the LED's, pm me. we can talk. peace.
 
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VegasWinner

Well-Known Member
flat9 said:
I'm comfy with electronics (did some analog electronics in undergrad but it's been a while). Those builds look great. I think with these new heatsyncs it's getting even cleaner. Love Netherfly's build as well. What are your recs re temp as per my other thread? Trying to sort out PPF of the lower temps... Cheers.
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the CXA calculated at 1560 PPFD in a 2x2 tent with 49W/Cob, and the CXB calculated at 1220 PPFD in a 3x3 tent with 49W/COB. Both have angelina reflectors. peace
 
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VegasWinner

Well-Known Member
guod said:
just an old prototyp. Leds and Fans running from the same remote Driver
View attachment 3638597 View attachment 3638598 View attachment 3638599
other work can be seen in my Thread.
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where's the remote driver mounted for your single light? vice 12 cobs on two lights with remote dimming at the fixture. llke to compare, I see. It's all good. I have 200w and 400w in two fixtures and drivers to run them harder, and working on a new lightweight passive cob system with remote drivers and dimmers. I could put wires in a box, but that is no big deal. My drivers are wall mounted with power for aero system, lights and fans. peace
 
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VegasWinner

Well-Known Member
guod said:
just an old prototyp. Leds and Fans running from the same remote Driver
View attachment 3638597 View attachment 3638598 View attachment 3638599
other work can be seen in my Thread.
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you mean like here, where you killed your red leds? ->https://www.rollitup.org/t/diy-modular-led-light.547085/ should have known a kid with a micro grow and you are playing with diodes, while I am designing and building cobs that run from 50w-150w. I mounted 18 SemiLed far reds and did not mess up one. peace.
 
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Chuff420

Active Member
VegasWinner said:
you will need a driver for each dimming requirement. You could use a 2/2 and have two smaller drivers that drive two vs. four cobs. your situation will require a little thought and some assistance from the designers of the system. I am designing single COB drive systems for individual controls. I was talking with SupraSPL and he recommended many inexpensive drivers that drive ->http://www.ebay.com/itm/10W-20W-30W-50W-100W-Waterproof-High-Power-DC-LED-Driver-For-LED-Chip-50-60HZ/151510253101?_trksid=p2047675.c100005.m1851&_trkparms=aid=222007&algo=SIC.MBE&ao=1&asc=35695&meid=fd63915fa99343f78af83f7f0909d257&pid=100005&rk=3&rkt=6&sd=261889756872

small drivers for various drive current and wattage. peace good luck
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Hey VegasWinner,

Your post above got me curious so I started Googling single drivers, including the DT-PF1005 in your link above.

From what I have found, this driver is not dimmable.

Have you found a dimmable driver to run a single CXB3590@1.4A?

Thanks.
 
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VegasWinner

Well-Known Member
Chuff420 said:
Hey VegasWinner,

Your post above got me curious so I started Googling single drivers, including the DT-PF1005 in your link above.

From what I have found, this driver is not dimmable.

Have you found a dimmable driver to run a single CXB3590@1.4A?

Thanks.
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I have not but I did find a dimmable 2.1a HLG-185H-c2100 runs two cobs at. 125w each. Peace got it from straight road
 
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