Efficient text scrolling across 8 NeoPixel strings from an Aurdunio Uno using multi-bit-bang
More info here... https://wp.josh.com/2016/05/04/parallel-processing-arduino-style-make-massive-neopixel-displays-with-nanoscale-concurrent-computing/
Example project (big scrolling sign) here... https://wp.josh.com/2016/05/04/parallel-processing-arduino-style-make-massive-neopixel-displays-with-nanoscale-concurrent-computing/