I wanted to port it over to a teensy 3 verse the Arduino Nano to achieve faster FPS and reduce the size a little more in my IALED Pants. I am currently still using the Adafruit-WS2801 Library but will be switching over to FastSPI once version two is out of beta.
Here is a demo of theTeensy 3 FPS:
Here are some pictures of the process:
Migrate to FastSPI
Rechargeable battery solution