Project:The Octopus
From Oxford Hackspace
Uses a TLC5940NT with 16 PWM outputs to control 2 * 8 strips of white LEDs
Datasheet: [1]
There are two ethernet ports on the main board. The one to the right of the blue power connector is for connection to a microcontroller. The one on the left is to daisy chain more TLC5940 chips. The pinout for the former is as follows:
VCC (+3.3v - 5v) SIN SCLK XLAT BLANK NC GND