Touchless “Touch Screen”

Touchless technology for interaction with devices such as Android tablets has been developed by Ootsidebox.

This is one of their demo videos that shows the technology in use. Hand gestures are used for control instead of directly touching the screen.

The project is open source / open hardware and based on the Arduino environment according to this article by Elektor who were visited by the inventor of the technology – inventor Jean-Noël Lefebvre.