Fun with SmartFun's LED Matrix

I had some fun this weekend with the sparkfun LED matrix. It's a little bit expensive at $35.00, but looks like it could have a bunch of cool uses.
Programming it I had to learn about SPI and I ended up writing my own SPI routines in processing.
I've put the code up at led_matrix_tools and some of it is very reusable.

Note: I wrote this on October 12th, I just noticed now that I never sent it.


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