2 layers118.3 × 42.7 mm

PCB piezo filter v3
djorgeext/PCB_piezo-filter_v4
Fourth version of a pre-conditioning circuit for an analog PCG signal based on a piezoelectric sensor.
48 parts
Open-source boards designed in KiCad by djorgeext on GitHub, from 1 repository. A board’s address here is its repository’s there.

djorgeext/PCB_piezo-filter_v4
Fourth version of a pre-conditioning circuit for an analog PCG signal based on a piezoelectric sensor.