demo of a camera that looks away when filming and recognizing a face
the camera tries to avoid filming people
it is a shy camera

more at rockitbaby.de/projects/shy-cam/

technics:
build with processing, opencv, arduino

i experimented with arduino the first time and made a cheap servo (conrad.de/goto.php?artikel=230500) rotating the camera. this tutorial helped a lot: arduino.cc/playground/Learning/SingleServoExample

face recognition is handled by opencv with help of this processing library:
ubaa.net/shared/processing/opencv/