* Small VGA capable computer (pcengines, BeagleBone http://beagleboard.org/bone, ...)
* Leap http://www.leapmotion.com/
* Ultrasound senro HC-SR04: http://jaktek.com/wp-content/uploads/2011/12/HC-SR04.pdf
== Galerie ==
[[File:Optiquespectrecouleur1.jpg|100px]]