I’m very new to this, so hopefully I haven’t made too many glaring errors. This is a lesson I’m sharing with my students on how they can map the two NeoPixel 16x16 LED matrix displays to work as one using their PixelBlaze. I used @Jeff 's excellent scrolling text marquee as a pattern that would immediately let us know if we had the orientation right, or if something was off. If you can endure 15 minutes of my yammering, here it is:
And if it’s useful, of course, have at it! Cheers!