diy led

I want to make a small shrimp tank (5-10g) and I don't know what to do about lighting. I want to try some red plants and maybe dwarf lilys but the problem is that good lights are quite expensive where I live because there's pretty much just 1 seller for high tech equipment, so they make the...

So I have been trying to build a high output LED fixture for a little while now, got some really inexpensive 1W led lights and everything I needed to wire them up, and I cannot for the life of me get the current right and get these things working properly.   So I thought back to what someone...