DIY Moonlight - any ideas? - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 09-30-2006, 02:27 PM Thread Starter
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DIY Moonlight - any ideas?

I was thinking about adding a moonlight LED to my nano ( here ) and couldn't find anything suitable for the size of tank or stylish or cheap enough. I started thinking about the USB light from my computer ( like this ) and could it be adapted.

Does anybody have any ideas how the USB socket could be adapted / modified / plugged into something to run off batteries or the mains?
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post #2 of 9 (permalink) Old 09-30-2006, 03:51 PM
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Well, if you have a "tuner" shop (car parts store) that has accent lighting, that is usually a decent cheap source for the assembly, and are typically all setup to run at 12V. Seeing that you are in the UK, you'd need to find an old transformer (charger, adapter or something) that takes that 220 down to 12V. Your local "tandy" or Radio shack might have something to do just that.

They look like this - the part I bought was about $9:



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post #3 of 9 (permalink) Old 09-30-2006, 09:08 PM Thread Starter
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Thanks for the tip. I looked up the kind of lights you talked about, and found some really cheap ones that fit into a car cigarette lighter and a pretty cheap transformer with the lighter fitting. I could do it for about £8-£10, I think.

If they were going to be fitted into a hood, it would be ideal, but the nano is open-topped, and if at all possible I really would like something more minimalist - the USB style of light was just perfect. I'd really appreciate hearing from anybody with any ideas on how to go about modifying it (or confirming that it can't be done) before I decide to buy the car LEDs.
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post #4 of 9 (permalink) Old 10-01-2006, 12:26 AM
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These moonlights are not DIY but I've been thinking of adding one to my 5.5 gallon nano. I like that they are submersible, and these might work for your application. I don't know much about them though.

PetSmart - Marina® Micro LED Light Set
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post #5 of 9 (permalink) Old 10-01-2006, 12:57 AM
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Hydor makes a simply single light, so you don't have to buy a "hub".



I have a green one in my tank to help display nocturnal behavior.

as for DIY, there are lot's of cheap LED key chain lights you can get,
and hook one up to a radio shack transformer with low enough voltage.
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post #6 of 9 (permalink) Old 10-01-2006, 01:00 AM
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USB is 5v. Just grab a 5v transformer and hack it up.

Pin Name Cable color Description
1 VCC Red +5 VDC
2 D- White Data -
3 D+ Green Data +
4 GND Black Ground

Jason
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post #7 of 9 (permalink) Old 10-01-2006, 12:23 PM Thread Starter
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The Hydor lights look good. thanks for all the other tips.

Meanwhile, after hours of searching, I finally found this.

This looks like the perfect solution.
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post #8 of 9 (permalink) Old 10-01-2006, 05:48 PM
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Quote:
Originally Posted by General Tso View Post
These moonlights are not DIY but I've been thinking of adding one to my 5.5 gallon nano. I like that they are submersible, and these might work for your application. I don't know much about them though.

PetSmart - Marina® Micro LED Light Set

I was looking at them yesterday. I may upgrade to them. Currently I have the Lunar Links from Drs. Foster and Smith. I used 3 of them. IIRC, the whole thing only cost about $27.00.

Tommy

><;;;"> <9))>>{

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Red Turquiose Discus, Japonica shrimp, assorted Blue Eyed Rainbows, Tetras, Hatchets, Danios, Rasboras
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post #9 of 9 (permalink) Old 10-11-2006, 07:14 PM Thread Starter
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Finally got my USB adapter in the post today and attached the USB LED light to it. Got myself a great moonlight. Pics are with a camera-phone, but they still give a good idea, I hope.



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