Doesn't this work?
In micropython it would be the same as python : stringA + stringB
Simple test, 4 units, two grey, two black, using the same portB and button add on:
and it is working now. Did you update the flow?
Reading pin 36 on the black cores is not possible right now. Please fix, thank you.
When coding in grey : Wait for press of UNIT button, works, no problem
When coding in black : Wait for press of UNIT button, doesn't work. If press button A, it thinks it was a press by UNIT button
Black works with port B: