Any feedback?
I need to change #A,B pin with trigger. How to do it right way?

Solved. Used "Toggle" Module.

Hi,

Oh, so you wanted a toggle actually.
I understand your logic, and it seemingly should work,  but both Pin Collector and and Set Integer Pin work a bit specially, this is why this kind of loopback won't work.

But as you found out, using Toggle module is the preferred way.