You may know of the LoL Shield. It is a 14×9 charlieplexed LED display shield for the Arduino. I have been wanting to start making and offering Arduino Shields and decided I would make a LED Matrix shield.
The ROFL Shield is a 16×32 fully matrixed LED display that uses shift registers to expand the I/O of the Arduino. It uses 1.9mm LED modules for a fine pitch display. This will enable the Arduino to easily control 512 LEDs. The matrixing is performed by the Arduino via interrupts.
All shields I will be making will also be 100% compatible with the Gadget Gangster Propeller Platform. The shields will be configurable so users will not be locked into a specific pinout.