It is a prototype of MyS Duino on an Atmega 328p-mu chip (the case of vfqfn-32 is 5x5x1 mm). The project is at a very early stage of development.
At this stage, compatibility with Arduino IDE and MySensors was tested. The result is 100%. Now we are working on minimizing the platform.
You can express your opinion on the forum, support my project.