Cue is intended to be a foundational set of icons to build a standard visual language of touch-based interactions. Each gesture is distilled to its core action to exhibit a more figurative, iconic aesthetic.

A family of high resolution, high brightness, fast response, cost-effective, optical touch screen systems that turns any flat surface into an interactive surface.

The Good Night Lamp project is a family of lamps which allow people to communicate the act of coming back home to their loved ones, remotely. As you turn the bigger light on, your presence home is indicated to your friends whose smaller lamps turn on as well.

tons of info and sample code for interfacingthe AD7746 with Arduino

sample code for interfacing a touch sensor to the arduino

The Touch Gesture Reference Guide is a unique set of resources for software designers and developers working on touch-based user interfaces.