Arduino_uSDX_Pico_FFT - Main code for Ajan-5, it runs at Raspberry Pi Pico, compiled with Arduino IDE (look "Arduino IDE setup and notes" below). Aux - Files used as reference.
Plug Function waveform into port A3 of Arduino Mega board, Ground to GND. Can view FFT results in Serial port at 115200 baud. Prints all Amplitude data first, then ...
Arduino FFT Audio Spectrum analyzer on 8x32 Color matrix This is an extremely simple, but still visually very effective project, and can serve as a gadget on your desktop, or as an addition to an ...