detection of a laptop and trigger the parking of the hard disk
drive (HDD) head in order to avoid scratching the discs
surface. MEMS are also the principal sensors in an Inertial
Measurement Unit (IMU) [6] used, for example, in flying
robots [7]. They can be coupled with GPS in order to get a
wide localization range and more precision in position and
speed real-time information.
It is now a mature technology and it opens new areas of
applications like, for example, shaking the music handled
player in order to shuffle and change the music track being
played, or trigger the airbag system in a car crash or free-fall