Hi everybody,
I wanted to record audio as well as plot the graphs for SNR and frequency respons using a mems microphone.
That’s why I bought the redboard iot esp32, audio codec WM8960 and the VM2020 breakout because I wanted to follow the hookup guide online (https://learn.sparkfun.com/tutorials/an … stallation).
When I run the example '15_volumeplotter ’ as described in the hookup guide I don’t see any changes in the graph if I make sound. When touching the data-wires of the ground however, I do get changes on the plotter.
I don’t understand why the microphone is not sending data when there is sound.
Any help would be greatly appreciated,
Thanks in advance!!