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
- Adruino compatiblle
- +3.3v or +5v selectable
- connected via the second uart to the BeagleBoard