Serial Plotter is blank?

[Former user]

The serial monitor works fine but the serial plotter comes up blank?

any suggestions?

[Tim Eckel]

This has nothing to do with the library. You need to format output correctly to use the plotter if that's what you want to do. Please see the following or ask for help in the Arduino forums: https://learn.adafruit.com/experimenters-guide-for-metro/circ08-using%20the%20arduino%20serial%20plotter