3D Contactless Mouse / Echolocator / Ultrasonic Position Follower Robot
Channel: birdyberth
Date: 2014-05-15

A truly contactless mouse device wich uses an arduino leonardo in a cleverly designed robot.
I've made an Instructable to explain how YOU can build it : http://www.instructables.com/id/3D-Contactless-Mouse-Interactive-3D-Position-Senso/