Zio

ZIO is an opensource USB IO framework for rapid product development. ZIO Motherboard is a USB device that provides access to IO interfaces like GPIO, Sensor, PWM, I2C and SPI. ZIO comes with an API that can be used to access the IO interfaces provided by the motherboard, from the PC.

The ZIO Motherboard offers the following features
* Connects to PC through USB
* Powered by TI's Stellaris LM3S3748 (ARM Cortex-M3 core)
* Interfaces: GPIO, Sensor Input, PWM Output, I2C, SPI
* Powered by Open Source software.
* Host-side API for programming the ports
* APIs available for Java and Python
* API documentation for easy reference
* Port interfacing guidelines for common scenarios
* GUI based Control Panel to explore the board
* On-field firmware upgrade

ZIO currently can be accessed from Java and Python. Moreover the protocol is completely documented and is available as part of the agent source code. So it should be pretty straight forward to implement APIs in other languages. We welcome ZIO users to contribute bindings to their favourite language.