Custom built programmable LED keyboard, help!?

[TERINO]

I have looked for a keyboard but I cannot find one that is in my price range or what I want.
I want to know if I can build a custom programmable LED keyboard and where to start.
Anyone help me?

 

[qwerty987123]

razer blackwidow chroma although its hella expensive ($150)

 

[TERINO]

Yeah, I saw that, was rather sad when I saw the price