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10/25/2017, 02:43 PM | #51 | |||||
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Cyan is a good thing, and in conjunction with lime and regular blue helps counteract the pinkish color many of these setups get when using so much royal blue and warmer whites or red supplementation. Cyan is at the edge of a good photosynthetic sweet spot, as well as regular blue, so definitely worth having. Added benefit is the light will appear "brighter" to the eye. Regular blue is useful for photosynthesis, and for bringing out colors that royal blue can't. Definitely worth having along for the ride. Too much can look like Windex though. Standard cool and neutral whites are usually lacking in both cyan and regular blue (but abundant in royal blue due to the base LED "showing through") so adding them is useful. Quote:
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Watts per gallon is largely irrelevant when it comes to LED... PAR and coverage are more important. With so many different types of LED on the market the differences in efficiency can be huge. Definitely agree on oversizing the capabilities of the fixture. You can always dim it down, or swap drivers out as needed.
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10/26/2017, 04:46 PM | #52 | |
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If you're interested i could swap the Wemos out for 2 extra channels, although you'd need an extra connector then for PWM. |
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10/26/2017, 06:55 PM | #53 | |
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I wouldn't mind one of those as is! I can always piggyback another board or two off of the PWM pins of the Wemos, since I need several identical channels anyway. One of those boards as is, and another with a couple additional drivers instead would be extremely handy. I need 8 drivers total, but only six channels of control. One of those boards with a blueacro two-channel driver board piggybacking along work be perfect. Do you have any finished boards yet, or just the files? I'm definitely interested either way.
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10/26/2017, 10:26 PM | #54 |
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Those boards do look great, is the fan DC controllable at all? I'd love to see a driver board that had something like a "if I am drawing so much current then switch on my fan output"... Would like to not have an extra board but still have the fan controllable in the event you have to use a two wire fan...
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10/27/2017, 09:54 AM | #55 | ||
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I did some code based on Blynk although haven't had a chance to really test it yet. I think the board would also be compatible with the SSLAC16 software O2 mentioned before. Also considered replacing the Wemos with a Bluefish mini which would cost more but then i wouldn't have to worry about the software side of things. Quote:
The board is 50mm wide and designed to sit at the edge of the heatsink so the barrel plug sticks out, but it could also sit in the middle if the LEDs are right up to the edge of the heatsink. |
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10/27/2017, 10:09 AM | #56 |
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I can solder, and can do surface mount components, as long as they don't require reflow type work. Depending on difficulty/cost I would definitely be interested on one or two.
Is that 24$ for a single PCB, or a set?
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10/27/2017, 10:27 AM | #57 | |
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10/27/2017, 10:40 AM | #58 |
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The $24 was for 10 pcs, looks like the minimum order is actually 5 pcs for $19 though so not as bad.
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10/27/2017, 09:04 PM | #59 |
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Wemos socket for sure.
19$ for five ain't bad at all! Might be worth ordering ten and splitting them though. I could find a use for that many for sure. I've got a few wemos on hand to fool with as it is. What pcb house? Heat gun huh? I've never actually tried it that way.
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10/31/2017, 10:29 AM | #60 | |
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11/01/2017, 07:18 AM | #61 |
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Is there a provision to bring a couple of the existing channels PWM off board to "double up" drivers for multiple strings per channel? Is there a way to bring a couple additional channels of PWM out to external drivers for applications that need more than six channels?
Not asking for changes, just curious.
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11/01/2017, 11:00 AM | #62 | |
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What I could do is just add solder pads in between the outputs for the PWM signals of the main 6 channels. This would let you add additional drivers using the same PWM (ie if you wanted 6 COBs to run off channel 1). |
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11/01/2017, 12:12 PM | #63 |
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That's perfect.
Six channels of control is plenty for 99% of the uses I would have in mind anyway. Simply running some wire off board to another set of drivers will work just fine. Anybody want to split a pack of ten PCBs?
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LED snob. Unapologetic Luxeon Rebel and Bridgelux Vero fanboy. Every time a fluorescent or halide fixture is scrapped, an angel gets its wings. Last edited by lingwendil; 11/01/2017 at 12:20 PM. |
11/02/2017, 10:47 AM | #64 | |
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Also, I was able to fit a small pitch header on the PCB to bring out 8 PWM signals (first 6 used on PCB plus 2 extra). |
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11/02/2017, 11:49 AM | #65 |
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suggest the HV version of the driver chip..
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11/02/2017, 02:44 PM | #66 | ||
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They are pin-compatible, right?
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11/02/2017, 03:44 PM | #67 |
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11/03/2017, 12:22 PM | #68 | |
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From what I found the T-slots are designed for 4-40 screws so I went with what I found for them. |
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11/03/2017, 01:44 PM | #69 |
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Sorry, didn't get a chance to dig it out last night or pull the working one to check. Just finished moving and the house is in chaos.
I really wish rapid would post up some real dimensional drawing of these sorts of products they carry, would be much nicer for planning things out. When I was in there in person a couple weeks ago (benefits of living in the SF Bay Area ) I brought up the issue with fitting drivers into these, and they sort of shrugged their shoulders and said best bet is to run the drivers in a separate enclosure, since most of their solutions include LDD-LS drivers on the main array PCB these days (hey Theatrus, how about throwing a pair of drivers on your acrostar pucks? definitely a market...) and may eventually offer something similar for DIY, but have no current plans to.
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11/08/2017, 05:53 PM | #70 | |
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11/09/2017, 06:21 PM | #71 | |
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-saf1 Current Tank Info: 210 gallon mixed reef |
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11/11/2017, 04:52 PM | #72 | |
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Though I have recently been contemplating with the idea of a panel type of arrangement to better increase the spread of light for SPS... Let us know how it all goes! they seem like great lights.
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11/11/2017, 07:53 PM | #73 |
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^ same. I love the two on my 20 long, and would love to see a nice build with the big boys. When I pull the fixture soon to put on the big build, they are coming out and going into a pair of Aavid Thermaloy heatsinks, with a pair of synjet coolers for pendant use...
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11/12/2017, 10:53 AM | #74 | |
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If you want good penetration to 30", it might be necessary to leave the diffusers off.
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Bruce Current Tank Info: 150G mixed reef (6x Blue Acro 20K Pro COB LEDs, 4x 80W T5 supplement), 150g fw discus (T5 lighting), 110G fw Angelfish (DIY LED lighting), 4 x 40 g frag tanks (DIY LED). |
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11/12/2017, 11:23 AM | #75 | |
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I'll check the diffuser - ty.
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