Materials
- Ameba D [RTL8722 CSM/DM] x 1
Example
Introduction
This example shows how to use the FFT class to calculate the fast Fourier transform of a signal to extract the frequencies present in the signal.
Procedure
Open the example, “Files” -> “Examples” -> “AmebaAudioCodec” -> “FFT”.

Upload the code and press the reset button on Ameba once the upload is finished.
Open the serial monitor, and the output results of the FFT calculation will be displayed.
