Originally Posted by mattl22
This whole process and write-up is incredible! Truely amazing work. I may attempt this process when winter really hits and I have nothing better to do. My only question for you is with buying the LEDs from different suppliers, are the colors an exact match? I know some may be brighter than other. I'd hate to take all that time and not have them match exactly. THanks for all your info!
470nm blue LEDs should be the same color no matter where you get them. The 470nm is the color wave-length. In this case, blue.
Look at the charts and examples on this page to see what I mean.