New link

iRobot create
http://08milluz.wordpress.com/2012/02/21/irobot-create-arduino-shield/

8x8 RGB LED dot matrix display - common Anode
http://www.betlux.com/product/led_dot_matrix/BL-M19A881xxx.PDF

shift register
http://www.instructables.com/id/The-74HC164-Shift-Register-and-your-Arduino/

iRobot create

Found a link on the robot.

http://correll.cs.colorado.edu/?p=1052