A bit more of the interface card. You will need some experience to build this from the schematics onto proto-board.
Anyway, this card contains:
-AD converters to connect sensors and potentiometers into the PC
-8 bit digital I2C interface to connect the buttons into the PC
-DA converters to control the power of the LEDs from the computer
-FET LED-drivers.
neo-norwegian experiments in art and technology 
