Self-powered sensor system

The invention relates to a self-powered sensor system (200) comprising: an autonomous sensor unit (210) including at least one energy harvester which converts an induced vibration into at least one electrical signal (02); a power management unit (220) comprising analogue signal processing circuitry (230, 240), said analogue signal processing circuitry being configured for extracting and generating, from said received at least one electrical signal (02), at least one digital output signal (07) indicative of a sensed physical state and at least one electrical power signal (08); and at least one user unit (250) comprising electronic circuitry being powered by said at least one electrical power signal (08) and/or receiving said at least one digital output signal (07) provided by said power management unit (220). The invention also relates to an electronic or network system, a machine or part thereof, a tire or wheel and a means of transport comprising a self-powered sensor system (200) according to an embodiment of the invention.