Piezoelectric sensors are great for monitoring mechanical impacts with a microcontroller. ... and the Raspberry Pi outputs sound via the native Alsa driver and a USB sound card.

Piezoelectric sensors are great for monitoring mechanical impacts with a microcontroller. ... and the Raspberry Pi outputs sound via the native Alsa driver and a USB sound card.

This video shows PI’s Piezo Technology, which includes a range of piezoelectric actuators and piezoelectric sensor components for applications in industry and research. There are numerous sizes and ...

A Raspberry Pi-powered sensor can help you detect inaudible sounds from your surrounding area. Written by Liam Tung, Contributing Writer March 23, 2018 at 5:36 a.m. PT. AR + VR.