Daniel Rozin sensor based work creates 'mechanical mirrors' using sets of material as 'analogue pixels' and a hidden camera. Rozin combines the concepts of analog imagery and digital information using surveillance.
http://www.smoothware.com/danny/

Peter Vogel sculptures showcase bare analogue electronic components which sense light and respond with sound. The work approaches the aesthetics of the components layout and its relationship with function and overall form.
http://www.coolhunting.com/archives/2006/05/peter_vogel_at.php

Minim++'s (Motoshi Chikamori, Kyoko Kuno and Yasuaki Kakehi) installation work displays objects that cast shadows which morph when the object is touched. Minim+++ work demonstrates a creative physical action with the subtle use of technology and everyday objects.
http://www.plaplax.com/legacy/artwork/minim++/artwork/tools-e.htm