A picture is worth a thousand lines of code. As developers, we live in a world of 1s and 0s, registers, peripherals, and scripts that are all interacting with each other and the world around them. Understanding what our software is doing, or the sensors that are connected to it, can dramatically help us develop the system faster but also help us see what the system is doing and better understand how our software is executing.
If you do a search on Google for serial communication plotting, you'll find over a million pages that cover tools such as Mbed's Serial Port Plotter, MegunoLink, ArduinoPlot, and so on. Some of these tools are free, while some require a license that costs less than $50. However, you will find that despite so many options, there really isn't one tool that gives you the flexibility and scalability that...