A lightweight mixed-radix FFT library for Arduino and ESP32.
KISS FFT (Keep It Simple, Stupid) converts time-domain signals into the frequency domain, enabling audio analysis, vibration sensing, pitch detection, and real-time spectrum visualization. This Arduino port wraps the original C library by Mark Borgerding with a clean C++ class, built-in windowing (Hann, Hamming), magnitude spectrum output, dominant frequency detection, and I2S microphone support for ESP32.
| Filename | Release Date | File Size |
|---|---|---|
| KISS_FFT-1.0.0.zip | 2026-04-27 | 14.66 KiB |