Mr. Baddeley Mark III Electronics Mainboard Mod Version2

My main electronics board for Mr. Baddeley's Mark III astromech (R2-D2 and the like). This board is designed to use all the standard parts plus Adafruits 16-Channel PWM servo driver boards. It has mounts for the following:

Arduino Mega 2560

MP3 Trigger

Syren Motor Driver

Sabertooth Motor Driver

Two Fuse Blocks (12V and 24V electrical busses)

Sure Amplifier

Two PWM Controller Boards

Polulu 5V Regulator

Six toggle switches for motors, fans and power