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-   -   DIY LED project for fun... (http://www.plantedtank.net/forums/showthread.php?t=221841)

eeng168 01-22-2013 04:49 PM

DIY LED project for fun...
 
I had some time and decided to try my hands at making my own DIY LED lights. I'm quite happy with the results, and plus..I'm using much less electricity than before!!

I kept my first project small to make sure that I liked it. It consisted of just 3 LEDs, 3 watts each. Color was two 6,500K and one 12K to mix it up a little. 90 degree lens reflector were used. ( but I will change it to 60 )

My original plans was to hang this about 6-7 inches off the surface with steel wires but after purchasing it, it was too hard to suspend it in mid-air, let alone tie a knot with it, so the next best thing which worked out really well was to install it with brackets. You can't tell from the pics because I purposely aimed up a little to show the fixture in place, but if looking straight at it, the frame of the iron stand actually hides everything!

More than enough light for a 10 gallon shrimp tank, very happy with it and very strong lighting!

http://i142.photobucket.com/albums/r...ps2d02f050.jpg

http://i142.photobucket.com/albums/r...pse8294754.jpg

http://i142.photobucket.com/albums/r...psa33455ab.jpg



For the next project, I made a 36" strip light. I tried it over my planted tank, the color is really amazing and natural. The coloration on the fishes like my white cloud minnows is something that I didn't think was possible. But for now, I'm testing the strip light on a much bigger tank.

It's a 220 gallon tank, 6 feet long, 2 feet wide, and 30" high. It has 8 3W LEDs this time, alternating with 6,500K and 12K. 90 degree reflector lenses were used and it worked perfectly. I took the pics in the dark and there's no spillage on the floor. Plus. the LEDs are shining through 1/2" inch acrylic hoods, so its probably even brighter.

One problem is that since the fish is mostly on the top, the LEDs doesn't really spread out until towards the middle/bottom. Hence, when he's swimming at the top, the front and back is not that bright. You can see an example of this where the face is against the front of the tank and there's no light on him.

I've already had the soldering iron, solder, heat shrink...so I just needed the heat sink, LEDs lights, reflector, a driver, and a plug. It's always fun to see a DIY successful. I plan on building one more for the other side of the 220 gallon. When I build one for my planted tank, I'm going to add some blue and reds in there as well.

http://i142.photobucket.com/albums/r...psa57a98fa.jpg

ok, decided to edit the pic...

jimmytruong87 01-22-2013 05:05 PM

Nice, I also learn how to build DIY led, I should pm u for more information

ryu1 01-22-2013 05:45 PM

Nice Arowana, that must be $$$$. lol

eeng168 01-22-2013 07:17 PM

Quote:

Originally Posted by ryu1 (Post 2318025)
Nice Arowana, that must be $$$$. lol

There's another 220 gallon and another red to the right of the tank. :)

sonicpath 01-22-2013 07:56 PM

Quote:

Originally Posted by eeng168 (Post 2318841)
there's another 220 gallon and another red to the right of the tank. :)

$$$$ x 2

VivaDaWolf 01-22-2013 08:32 PM

why 2 separate aros?

sonicpath 01-22-2013 08:42 PM

cuz they will "kiss" each other to death.

VivaDaWolf 01-22-2013 08:43 PM

Well, its like.. why...2? :P So many possiblities with a 220!

Bluek24a4 01-22-2013 08:55 PM

Nice projects. What did you use as heatsinks?

bereninga 01-22-2013 08:59 PM

Looks good!

sonicpath 01-22-2013 09:03 PM

Quote:

Originally Posted by VivaDaWolf (Post 2319777)
Well, its like.. why...2? :P So many possiblities with a 220!

sounds like someone needs a bigger tank ;)

jimmytruong87 01-22-2013 09:25 PM

Do you use Fan for release heat of LED? I know they release a lot of heat
Which's led u use ?

eeng168 01-22-2013 09:34 PM

Quote:

Originally Posted by Bluek24a4 (Post 2319921)
Nice projects. What did you use as heatsinks?

I purchased the heatsink from amazon. Can pm you the link if I can find it again.

Quote:

Originally Posted by jimmytruong87 (Post 2320249)
Do you use Fan for release heat of LED? I know they release a lot of heat
Which's led u use ?

From my experience, it doesn't even get hot...it may get very warm after like 5-6 hours but I don't even have it on for that long. I tried it the first time, kept it
running to see if it got hot, so I don't need a fan.

eeng168 01-22-2013 09:37 PM

Quote:

Originally Posted by VivaDaWolf (Post 2319777)
Well, its like.. why...2? :P So many possiblities with a 220!



When I made the switch to acrylic, I had both 220 glass tanks on Craigslist for free, just pick them up. No responses, so I ended throwing them out. * shrug *

I had it posted here and on the forum, Manhattan Reefs....lol

jimmytruong87 01-22-2013 10:31 PM

Can you build digital clock for control turn on/off your light?
I saw diagram from other website, but I just need understand program


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