[Tech2077] is one of the lucky ones who already got his hands on a Raspberry Pi. He’s been looking into different interface options with the GPIO header and just posted a guide to using an HD… ...

The ADC is connected to the Raspberry Pi I2C bus. This is a MCP3426 by Microchip. – LCD interface: The board includes a connector for attaching a 2,2” LCD with 320×240 pixel resolution.

Since the Raspberry Pi I/O pins operate at 3.3V this could connect to the B side, give you the ability to interface with i2c parts rated for lower or higher voltages.