Take a close-up look at the Falcon F48 Differential Controller. This controller allows you to put power closer to your RGB pixels and run from a centralized location.
5V 3A (wall wart) power adapter: https://amzn.to/2u3FwMP
My online course for RGB Pixel beginners (use this coupon): http://bit.ly/udemy-basics-coupon-f48
Smart pixels get all the attention these days, but dumb RGB strings may still have a place in your display. We look at controlling dumb strings with an Arduino Uno and a 2811DC15 from Hanson Electronics.
Hanson Electronics 2811DC15: https://bit.ly/2tHwwwy
Make: article: https://bit.ly/2lIUG5g
My online course for RGB Pixel beginners: http://bit.ly/udemy-basics-coupon-17