An LED matrix control system using a plurality of FPGAs (Field Programmable Gate Array) in between a CPU and a LED matrix. One FPGA controls a first set of LED's and a second FPGA controls a second set of LED's. The first FPGA controls all of the column lines of an LED matrix, and controls a sub set...http://www.google.ca/patents/US6489937?utm_source=gb-gplus-sharePatent US6489937 - LED matrix control system with Field Programmable Gate Arrays