The Serial-Bus-EVM key hardware consists of two boards, Digital Interface Test Board and USB DIG Platform. The Digital Interface Test Board provides connections that allow for prototyping of digital circuits. The USB DIG Platform contains an 8052 microcontroller with a built in USB interface. The USB DIG Platform generates the I2C, SPI, and general purpose digital I/O. The USB DIG Platform also contains, a 3V/5V programmable linear regulator, a switch for power control, general purpose digital I/O and an SPI interface. The Serial-Bus-EVM contains an AC wall adapter (220/120Vac to 6Vdc) to provide 6Vdc to the USB DIG Platform. A script editor allows the user to communicate with and configure the common digital devices.