2 layers

Mems mic board
araobp/acoustic-features
Acoustic features (MFSCs and MFCCs) for edge AI
9 parts45GPL-2.0
KiCad boards from 2 GitHub repositories tagged “cmsis-dsp”, the most starred first; open any of them in PCBKit.

araobp/acoustic-features
Acoustic features (MFSCs and MFCCs) for edge AI

DennisRathgeb/doppler-radar-detector
24 GHz CW Doppler + FMCW radar detector: STM32F429 + ESP32 + TouchGFX live UI, CMSIS-DSP FFT, FastAPI backend, YOLOv8 angle-of-arrival sensor fusion desktop app. ZHAW PM4 team project.

araobp/acoustic-features
Acoustic features (MFSCs and MFCCs) for edge AI