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.

You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

Thomas Kolb 523a7bdaf1 Increase FFT size and frequency resolution		1 year ago
data/etc	Basic implementation of sampling+FFT+dBV/Hz calculation	1 year ago
src	Increase FFT size and frequency resolution	1 year ago
.gitignore	Basic implementation of sampling+FFT+dBV/Hz calculation	1 year ago
Makefile	Basic implementation of sampling+FFT+dBV/Hz calculation	1 year ago
gen_lut.py	Basic implementation of sampling+FFT+dBV/Hz calculation	1 year ago
platformio.ini	Basic implementation of sampling+FFT+dBV/Hz calculation	1 year ago