Processing of audio signals and showing in RGB LED Stripe as equalizer ( or spectrum )
- NodeMCU or another board ( like Arduino Uno and etc ).
- Audio input wires ( Ground + L or R )
- RGB LED Stripe ( or non RGB )
- Connect R wire of your audio input to analog pin ( A0 ) and ground wire to ground of the board.
- Connect Data line of your LED Stripe to D1 pin.
- Upload equalizer.ino to your board.