Along the years many nice and interesting projects have been submitted for the exam. Some of them are listed below.
2011-2012: a home-made eye tracker able to follow user's gaze within a room
2012-2013: Arduino in different fashions, from mobile speech commands to mouse-glove
2013-2014: Domotics with LeapMotion, Arduino and Android for a mobile speech-based remote control, a mobile speech calculator, Arduino glove to control a robotic arm
Link to a video with an Arduino-controlled robotic arm in virtual reality
2014-2015: Arduino and mobile to remotely control (sensors) and feed (speech and gesture, actuators) plants
2015-2016: drawing in the air, raspberry and Android for smart alarm system, writing by gesture and speech, a multimodal player. multimodal painting with Kinect, drone control by hand gesture
2016-2017: speech-controlled recipe reader on Android