Firmware for an ESP32 with an analog microphone (amplified) attached to the internal ADC. Calculates the signal amplitude in various frequency bands and submits the results to an HTTP API.

Thomas Kolb 523a7bdaf1 Increase FFT size and frequency resolution		2022-07-30 16:13:32 +02:00
data/etc	Basic implementation of sampling+FFT+dBV/Hz calculation	2022-07-23 22:50:24 +02:00
src	Increase FFT size and frequency resolution	2022-07-30 16:13:32 +02:00
.gitignore	Basic implementation of sampling+FFT+dBV/Hz calculation	2022-07-23 22:50:24 +02:00
gen_lut.py	Basic implementation of sampling+FFT+dBV/Hz calculation	2022-07-23 22:50:24 +02:00
Makefile	Basic implementation of sampling+FFT+dBV/Hz calculation	2022-07-23 22:50:24 +02:00
platformio.ini	Basic implementation of sampling+FFT+dBV/Hz calculation	2022-07-23 22:50:24 +02:00