4 layers85.6 × 54 mm

Sound spectrum v1
path321/sound_spectrum_mcu
STM32-powered board to analyze sound from MEMS microphone
40 partsMIT
Open-source boards designed in KiCad by path321 on GitHub, from 1 repository. A board’s address here is its repository’s there.

path321/sound_spectrum_mcu
STM32-powered board to analyze sound from MEMS microphone