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Search: Keyword(s): ; Posts Made By: kev82
Forum: DIY 11-10-2010, 03:58 PM
Replies: 64
Views: 13,404
Posted By kev82
Bump it up to attiny45 or 85 and you can easily...

Bump it up to attiny45 or 85 and you can easily add an i2c RTC for that kind of functionality.
Forum: DIY 11-09-2010, 11:26 AM
Replies: 64
Views: 13,404
Posted By kev82
I have no idea how you'd do it with that...

I have no idea how you'd do it with that controller. I just used an attiny13, LM7810 voltage regulator, trimpot, and a couple of transistors.
Forum: DIY 10-11-2010, 09:57 PM
Replies: 64
Views: 13,404
Posted By kev82
The LED driver is PWM dimmable. It's controlled...

The LED driver is PWM dimmable. It's controlled by PWM, which means you can control the brightness by varying the duty cycle. The output of the leds is constant with no flickering.
Forum: Fish 08-23-2009, 05:36 PM
Replies: 15
Views: 3,016
Posted By kev82
platies will eat their own fry given the...

platies will eat their own fry given the opportunity. Whatever fry eater you get odds are there will be a few surviving from every brood if the tank has alot of hiding places.
Forum: Lighting 07-27-2009, 01:18 PM
Replies: 5
Views: 768
Posted By kev82
I wouldn't bet on this being able to penetrate...

I wouldn't bet on this being able to penetrate water well enough. Probably fine for low light plants, but these 20mA LEDs are just really weak.
Forum: Fish 07-23-2009, 12:01 AM
Replies: 10
Views: 643
Posted By kev82
danios spawn anywhere and everywhere, almost...

danios spawn anywhere and everywhere, almost regardless of water quality. There's a reason they're the most researched fish; they're so easy to breed in numbers.
Forum: DIY 07-12-2009, 11:47 PM
Replies: 398
Views: 111,665
Posted By kev82
buckpucks are not similar to this, they are buck...

buckpucks are not similar to this, they are buck regulators. They get the same (similar) end result, but with significantly different means....
Forum: Fish 06-06-2009, 10:07 PM
Replies: 2
Views: 436
Posted By kev82
Depends on which halfbeak, but most will make a...

Depends on which halfbeak, but most will make a tasty snack out of everything that isn't at least 70% of their size.
Forum: DIY 05-15-2009, 10:42 PM
Replies: 398
Views: 111,665
Posted By kev82
Don't lose faith just yet - Pioneers are bound to...

Don't lose faith just yet - Pioneers are bound to run into troubles :)
Forum: DIY 05-15-2009, 09:56 PM
Replies: 64
Views: 13,404
Posted By kev82
Lenses are popular in deeps reef tanks where...

Lenses are popular in deeps reef tanks where people have corals and clams with extremely high light requirements and are on the sandbed. LEDs in planted tanks are in its infancy - and a bit behind...
Forum: Plants 05-15-2009, 03:49 PM
Replies: 10
Hc
Views: 865
Posted By kev82
Remove the wool, and rip the HC into individual...

Remove the wool, and rip the HC into individual strands.
Forum: DIY 05-15-2009, 03:48 PM
Replies: 30
Views: 2,834
Posted By kev82
aluminum radiates heat a tad better than steel,...

aluminum radiates heat a tad better than steel, too :)
Forum: DIY 05-15-2009, 08:56 AM
Replies: 64
Views: 13,404
Posted By kev82
You can order almost everything at ledsupply.com...

You can order almost everything at ledsupply.com - Everything but the heatsink.
Forum: DIY 05-14-2009, 11:32 AM
Replies: 398
Views: 111,665
Posted By kev82
Yeah I think the remaining would stay lit - but...

Yeah I think the remaining would stay lit - but they would probably be given the extra current/voltage.

This is pretty much the problem with parallel strings - if a LED dies in either string, the...
Forum: DIY 05-14-2009, 11:24 AM
Replies: 64
Views: 13,404
Posted By kev82
There's not much to it - I can give you a...

There's not much to it - I can give you a shopping list if you like? :)
Forum: DIY 05-13-2009, 10:44 PM
Replies: 398
Views: 111,665
Posted By kev82
Now we're getting somewhere :) If the LEDs burned...

Now we're getting somewhere :) If the LEDs burned out they were probably fed too much current. Are you sure the drivers are feeding the correct current?
Forum: Algae 05-13-2009, 10:31 AM
Replies: 19
Views: 4,622
Posted By kev82
amanos cleaned my tank in just a few days... You...

amanos cleaned my tank in just a few days... You can see before/after pics in the link in my sig...
Forum: Plants 05-13-2009, 09:47 AM
Replies: 10
Hc
Views: 865
Posted By kev82
Yeah I believe if HC is not pearling it's usually...

Yeah I believe if HC is not pearling it's usually either not enough light, not enough co2 or a combination thereof.

Mine started pearling almost immediately after I turned the lights and co2 on in...
Forum: Plants 05-12-2009, 11:33 PM
Replies: 10
Hc
Views: 865
Posted By kev82
I did it in clumps with my 6g - Filled out...

I did it in clumps with my 6g - Filled out nicely. Check my sig for pics and progress :)
Forum: DIY 05-12-2009, 10:19 AM
Replies: 398
Views: 111,665
Posted By kev82
I don't really know what could be wrong, but my...

I don't really know what could be wrong, but my tip would be to start small. Just begin with powering a couple of LEDs and work your way up to the full array.

I noticed you stripped a fair bit...
Forum: DIY 05-11-2009, 09:32 PM
Replies: 64
Views: 13,404
Posted By kev82
Good stuff - I'll give that a try soon - Need to...

Good stuff - I'll give that a try soon - Need to trim the other plants too :)
Forum: DIY 05-11-2009, 04:03 PM
Replies: 64
Views: 13,404
Posted By kev82
Yeah I was thinking the same thing :) I have no...

Yeah I was thinking the same thing :) I have no idea how to prune it tho - Can I just clip the top off the thickest bunches?
Forum: DIY 05-11-2009, 01:09 PM
Replies: 64
Views: 13,404
Posted By kev82
http://www.fishfiles.net/up/0905/24toj7sd_IMG_4601...

http://www.fishfiles.net/up/0905/24toj7sd_IMG_4601.jpg
http://farm4.static.flickr.com/3219/3519517457_c3e32813f1.jpg


I really need to clean the background... Also a littlebit of green spot...
Forum: DIY 05-07-2009, 01:55 PM
Replies: 30
Views: 2,834
Posted By kev82
You probably *need* to at least open it up a bit....

You probably *need* to at least open it up a bit. You might get away with not using a fan, but the heat from the LEDs is pretty muched closed in there if you don't put any openings on there.
Forum: DIY 05-07-2009, 01:51 PM
Replies: 398
Views: 111,665
Posted By kev82
15w sounds really small.. 40-50w is the number...

15w sounds really small.. 40-50w is the number usually being thrown around when people are soldering LED stars.
Showing results 1 to 25 of 111

 
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