This module has been discontinued by the manufacturer and replaced by the USB-ISS

INTERFACE EFFICIENTLY: The Devantech USB to I2C module provides a complete interface between your PC and the I2C bus.

Adapter for communicating to I2C, SPI and serial buses from a USB port. Output pins may alternatively be configured as general purpose digital input/output and analog inputs.

Devantech self-powered USB to RS485 adapter with support for baud rates up to 250kbps, automatic bus turn-around, and buses up to 128 devices.