The chips are still available: http://netsemi.com/p-93126-led-driver-ic-a6276ea-t.aspx
The instructions provide a schematic for the driver board showing connections to each of the Arduino pins.
The chips are still available: http://netsemi.com/p-93126-led-driver-ic-a6276ea-t.aspx
The instructions provide a schematic for the driver board showing connections to each of the Arduino pins.