A software oscilloscope.It can be used to debug PID and so on,which is very convenient. - ZPLRD-Program/y-serialplot ...
See hackaday.io page for screenshots. You can use Mercurial to download SerialPlot source code. Or you can download it from here: https://hg.sr.ht/~hyozd/serialplot ...
The serial port remains a hacker staple, being one of the easiest ways to move a little bit of data from one machine to another. All manner of projects use the interface, and often, sensors are ...