dyi

I am wanting to dyi my own 1 single bar that is 4' to 4.5' long. I do not want more than 4" wide. I would be happy with 150w-200w draw. Prefer b301 diodes. This is my 1st build so I am not sure where I can purchase all the parts needed to do this from scratch. I know I will need a heatdink and...