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Search: Keyword(s): ; Posts Made By: O2surplus
Forum: Lighting   01-17-2016, 05:21 PM
Replies: 78
Views: 2,788
Posted By O2surplus
Go with 6 to no more than 8 Vero 18's driven at...

Go with 6 to no more than 8 Vero 18's driven at 700ma. You won't be disappointed. I had twelve on my 225 and that was epic overkill. As for controllers, I've had them all. Check out the BlueFish...
Forum: DIY   12-18-2015, 05:03 AM
Replies: 16
Views: 684
Posted By O2surplus
I've built hundreds of CAT4101 based drivers over...

I've built hundreds of CAT4101 based drivers over the years. A 10K pot wired in series with a 569 ohm Rset resister works wonderfully. Since the 569 ohm resistance is the minimum the CAT's Rset pin...
Forum: DIY   12-18-2015, 12:33 AM
Replies: 16
Views: 684
Posted By O2surplus
The point being..... You don't have to replace...

The point being..... You don't have to replace the entire driver. A resistor swap is all that's needed. Going the extra mile by adding the pot makes the driver even more user friendly.

An audio...
Forum: DIY   12-17-2015, 08:19 PM
Replies: 16
Views: 684
Posted By O2surplus
Just an FYI... There's really no difference...

Just an FYI... There's really no difference between the 1000ma and 700ma drivers. A small Rsense resistor is used to "program" the driver for set current values. 569 ohms = 1000ma 768 ohms =...
Forum: DIY   12-16-2015, 07:24 PM
Replies: 16
Views: 684
Posted By O2surplus
Steve's led drivers use the OnSemi CAT4101 led...

Steve's led drivers use the OnSemi CAT4101 led driver IC in their design. The CAT4101 IC is a low side regulator. The driver needs to see between .5V &.8V over the led string voltage to operate...
Forum: DIY   11-30-2015, 12:42 AM
Replies: 12
Views: 622
Posted By O2surplus
SAGER Electronics has got 19 LDD-1500L in stock...

SAGER Electronics has got 19 LDD-1500L in stock for $5.69 each LDD-1500L Mean Well | Sager (http://www.sager.com/ldd-1500l-4636732.html)

Pair them with a single Vero 18,a 36V power supply and...
Forum: DIY   11-28-2015, 11:25 PM
Replies: 12
Views: 622
Posted By O2surplus
Ugh...yeah.. you're gonna need some serious DC...

Ugh...yeah.. you're gonna need some serious DC power. You can't go wrong with the Vero's the 90CRI 5000K and 97CRI 2700K. They're what I'm using over my 225. They'll produce a very Natural looking...
Forum: Lighting   10-31-2015, 06:42 PM
Replies: 6
Views: 418
Posted By O2surplus
The Flare led array is available for sale without...

The Flare led array is available for sale without having to buy one of Dave's gorgeous light fixtures. They're priced about $55 each.
Forum: Lighting   10-28-2015, 03:20 AM
Replies: 7
  Led ??
Views: 302
Posted By O2surplus
LOL- I've got only 12 leds to light my tank.>:) ...

LOL- I've got only 12 leds to light my tank.>:) Led technology has come a long way.....


http://i861.photobucket.com/albums/ab172/kovawa/Tank%20shots%205-31-2015%20005_zps8vjoryfv.jpg
Forum: Lighting   10-22-2015, 03:43 PM
Replies: 47
Views: 3,005
Posted By O2surplus
There's another lighting option available for...

There's another lighting option available for small tanks that most planted tankers don't know about yet. NanoBoxReef recently added a new "full spectrum" led array to their product line of custom...
Forum: Lighting   08-25-2015, 01:41 PM
Replies: 9
Views: 371
Posted By O2surplus
37 watts / 15V = 2.46 amps. Look for a 15V power...

37 watts / 15V = 2.46 amps. Look for a 15V power supply with around 3 amps of capacity. :)
Forum: DIY   08-16-2015, 04:52 AM
Replies: 45
Views: 8,087
Posted By O2surplus
Off the top of my head figures..... PcB...

Off the top of my head figures.....

PcB (100mm x 160mm, 2 oz copper, ENIG finish) $22.20 each

A6211 led driver @ $5 each X 6 = $30

SCW08C-12 @ $14 each X 2 = $28

Arduino Nano = $5
Forum: DIY   08-16-2015, 03:43 AM
Replies: 45
Views: 8,087
Posted By O2surplus
Ugh.... I think I'm done for awhile? (At least...

Ugh.... I think I'm done for awhile? (At least that's waht I keep telling myself _LOL)

Just finished swappin' in a couple of these to drive my Veros. No more LDD's for me!

Here's a few...
Forum: DIY   08-01-2015, 04:13 AM
Replies: 54
Views: 3,931
Posted By O2surplus
LOL- The meter is actually showing the RMS value...

LOL- The meter is actually showing the RMS value of the signal.......... just to be exact.:wink:
Forum: DIY   07-31-2015, 10:07 PM
Replies: 54
Views: 3,931
Posted By O2surplus
I think the OP meant 20/255 PWM steps out of the...

I think the OP meant 20/255 PWM steps out of the Arduino, but I could be wrong.
Forum: DIY   07-31-2015, 04:41 PM
Replies: 54
Views: 3,931
Posted By O2surplus
LOL- You should see how bright 12 of them are @...

LOL- You should see how bright 12 of them are @ 1400ma each. It's like staring directly at the noon day sun.
Forum: DIY   07-30-2015, 09:48 PM
Replies: 54
Views: 3,931
Posted By O2surplus
Gotta love the good looks of that Heatsink/Synjet...

Gotta love the good looks of that Heatsink/Synjet cooler combination! Excellent choice!
Forum: DIY   07-16-2015, 01:58 PM
Replies: 54
Views: 3,931
Posted By O2surplus
To answer your first question- It's alright...

To answer your first question-

It's alright that you don't know everything. This is what makes the Internet so awesome and why Online forums are so popular.... You can find the knowledge you...
Forum: DIY   07-15-2015, 01:37 PM
Replies: 54
Views: 3,931
Posted By O2surplus
I think you'll change your mind after see how...

I think you'll change your mind after see how much better your lighting performs, when compared to commercially available products at the same price. Also a plus...you get the pride that comes from...
Forum: DIY   07-14-2015, 07:11 PM
Replies: 54
Views: 3,931
Posted By O2surplus
I've got 12 Vero 18's on a 6' Makers Heat Sink...

I've got 12 Vero 18's on a 6' Makers Heat Sink and cooling fans are a necessity. Don't skimp here. Keep the Vero's as cool as possible.
Forum: Lighting   07-14-2015, 04:56 AM
Replies: 38
Views: 4,206
Posted By O2surplus
Lookin' good Ben! That Starogyne's looking a bit...

Lookin' good Ben! That Starogyne's looking a bit "leggy" though. You sure them leds can grow plants?:wink:
Forum: DIY   07-11-2015, 05:52 PM
Replies: 54
Views: 3,931
Posted By O2surplus
That driver's not going to work. It's output is...

That driver's not going to work. It's output is only rated for 12V, so it won't light the Vero 18's. I recommend that you use the newer Meanwell LDD-1000H and a cheap 36V DC power supply to power...
Forum: Lighting   07-10-2015, 03:22 PM
Replies: 3
Views: 563
Posted By O2surplus
Another great write up! Thanks Sumer!

Another great write up! Thanks Sumer!
Forum: Lighting   07-09-2015, 01:33 PM
Replies: 2
Views: 253
Posted By O2surplus
That should be pretty easy to accomplish. Open...

That should be pretty easy to accomplish. Open the sketch and scroll down to line #142. You should see this.....

// descriptions need to be 4 characters due to display area
char* oneDesc =...
Forum: Lighting   07-09-2015, 12:58 AM
Replies: 2
Views: 224
Posted By O2surplus
I've been doing the warm sunrise/sunset (2700K)...

I've been doing the warm sunrise/sunset (2700K) to mid-day(5600k) lighting program for about a year now. I'm not sure if it has any positive health effects for my fish or plants, but I do know there...
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