The main.cpp is a sample project that tests the lib. It's for esp32 and platformio (arduino platform). I imagine it'll probably work on other arduino architectures.
AS5600 is a library for an AS5600 / AS5600L based magnetic rotation meter. More exact, it measures the angle (rotation w.r.t. reference) and not RPM. Multiple angle measurements allows one to ...
A rotary encoder is a type of electromechanical position sensor that can be used to identify the angular position of the rotary shaft. This type of sensor or module generates an electrical signal ...