8X8 Direct drive matrix
http://arduino.cc/playground/uploads/main/matrix.gif the schematic wondering about. built own matrix 8x8. pin configuration unsure of arduino board. have cathodes on rows , anodes on columns schematic. order 8 anodes , 8 cathodes go pins on arduino board?? and resistors? that diagram on stress outputs on our arduino. don't use it. Arduino Forum > Using Arduino > LEDs and Multiplexing > 8X8 Direct drive matrix arduino