Led lighting systems

I am looking to make my own l.e.d light system. I have seen many people have had good results on here. I’m curious on what people think work the best for led grow light systems. I would like to know. watts per plant, watts of led bulbs, nanometers of leds, amount of leds used and amount of leds used in different categories of nanometers.

Here is a great place to start:

~MacG