PIEZOELECTRIC TRANSDUCERS “convert small amounts of energy from one kind to another (for example, converting light, sound, or mechanical pressure into electrical signals).”
http://www.explainthatstuff.com/piezoelectricity.html
PIEZOELECTRIC TRANSDUCERS “convert small amounts of energy from one kind to another (for example, converting light, sound, or mechanical pressure into electrical signals).”
http://www.explainthatstuff.com/piezoelectricity.html