ULWOS2 - An Ultra LightWeight Operating System
ULWOS2 is a cooperative thread scheduler 100% written in C which can run on any platform supported by GCC. You can use it to run multiple threads at the same time in a cooperative fashion
Maintainer: Fábio Pereira
This library is compatible with all architectures so you should be able to use it on all the Arduino boards.
To use this library, open the Library Manager in the Arduino IDE and install it from there.