Low frequency oscilloscope. The bandwidth is about 30 to 5000 Hz, the narrow bandwidth and input filter makes the use limited. The mic ADC sends packets of 2048 bytes and 60 bytes are used to draw the trace.
Input is to the microphone socket. Input voltage divider allows signals of 5V P-P...
I would like to share this new library.
This library is based upon the pitchdetection from the TarsosDSP library(https://github.com/JorenSix/TarsosDSP).
The wrapper has been been made by @somed3v3loper , many thanks to him !!
This library has just one function and that is to do...