Rui Santos over at Random Nerd Tutorials wrote a series of three posts on how to use the SerialDebug library created by João Lopes with Arduino IDE (programming Arduino, ESP32, ESP8266):
After programming the ESP32 using ESP-IDF, João noticed that debug for Arduino IDE needed some improvement. So, he created the SerialDebug library to bring better debugging to Arduino IDE. He also created a desktop application called SerialDebugApp that adds a UI and other useful functionalities.
To show you all the useful features of the SerialDebug library and the SerialDebugApp, he created three tutorials dedicated to this subject: