satercito:
I tried with ArduinoFFT ...
What did you try? What did you expect it to do, and what did it do?
If you answer those questions, and post code and a schematic, it can only help.
satercito:
I tried with ArduinoFFT ...
What did you try? What did you expect it to do, and what did it do?
If you answer those questions, and post code and a schematic, it can only help.