The sensing device is a MEMS microphone that outputs a pulse density modulated (PDM) signal. There are chips available to directly interface such a microphone to a USB port, but [Mahesh] found ...
A simple function like rotating the screen of your phone or tablet requires a MEMS. Apart from accelerometers and gyroscopes, smartphones contain micro-mirrors, image sensors, auto-focus actuators, ...
X-FAB to Provide Foundry Services for Akustica's Family of CMOS MEMS Silicon Microphone Chips ERFURT, GERMANY and PITTSBURGH, PA -- May 31, 2006 -- Akustica, Inc., a pioneer in acoustic system-on-chip ...
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