https://bit.ly/2RaRAt1 Maat's hidden sale page.
Here we use ESP32 microcontroller to analyze real-time audio signals Code: https://github.com/debsahu/ESP32_FFT_Audio_LEDs 1. Real-time FFT to get frequencies 2. Use MSGEQ7 chip to get the same data 3. Display frequency bands on LEDs as bars FFT basics: https://www.youtube.com/watch?v=spUNpyF58BY
