* Leap http://www.leapmotion.com/
* Ultrasound senro HC-SR04: http://shop.boxtec.ch/pub/iteadstudio/HC-SR04.pdf
* HC-SR501 IR motion detector
=== HC-SR04 ===
* https://code.google.com/p/arduino-new-ping/
* Using [https://code.google.com/p/arduino-new-ping/wiki/NewPing_Single_Pin_Sketch one pin] on the Arduino doesn't seem to work, with [https://code.google.com/p/arduino-new-ping/wiki/Simple_NewPing_Example 2 pins] it's OK
=== HC-SR501 ===
* http://www.ebay.fr/itm/170896482474
== Galerie ==