This is a shield, compatible with other daisy-chainable Logos boards, that breaks out two TLC5947s. That's 48 12-bit dimmable PWM constant current sink driver channels. Combined with a 16 ch driver, that provides 12-bit individually addressable dimming for 768 LEDs.
48 Ch Led Driver Shield
page revision: 2, last edited: 27 Sep 2011 02:48