BeagleBoard Trainer

The Trainer Board is an expansion board for the BeagleBoard that adds:
 * I2C interface(+3.3v or +5v selectable)
 * SPI(+3.3v)
 * GPIO's(+3.3v)
 * large 0.1" prototype matrix and power bus.
 * Atmega168
 * Arduino compatiblle
 * +3.3v or +5v selectable
 * connected via the second uart to the BeagleBoard