Tropical Fish Keeping - Aquarium fish care and resources

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wheaton3205 07-01-2012 02:55 AM

Another DIY LED moonlighting
Finished this last night. Thought I'd throw it out there for those thinking about trying it. After reading several other DIY threads I took the plunge. Ordered my blue LEDs from - Evil Mad Science Shop

Used this LED calculater: LED series parallel array wizard and got some resistors from Fry's.

With my setup, 20 gallon and DIY CFL lighting, I didn't have enough room in the hood to put the LED's, so I just mounted them on a cut piece of wood on the the back of my aquarium. Sealed/glued the LEDs and wiring with some clear silicone adhesive.

Added a 500 ohm potentiometer to lower the lighting in case it was needed. Glad I did, cause it ended up being a little to bright I thought. One thing that was really cool after I got it setup and installed was one of the LEDs was shining right above where my HOB Fluval filter was dispensing. Made the light glimmer and move, creating a under-ocean effect. Maybe I'll add a power head later to accentuate the affect with the rest of the LEDs. Used an old cell phone charger for the power supply.

Anyway, I was pretty pleased with the result. It was all fun and games while I was enjoying my labor till my beautiful yellow guppy took a 3 1/2 foot header out the back of the tank onto a concrete floor. He was swimming a little funny for a while after I put him back in. lol. Maybe he was pissed at the LED's. Here are a few pics (I hope). The tank pic was at max luminosity. Turned it down after taking the picture. Let me know if you guys want more details or pictures.

Chesh 07-09-2012 03:59 AM

Looks great! I've been thinking about doing something like this for a while now - seems that it was a fairly simple process for you to get it all up and running! Sorry about the poor little guppy :/ I hope he's alright - guess moonlighting can be dangerous!

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