Consider a scenario where two (or more) `master` devices (the NodeMCU's, in this case) share an `I2C bus` with one (or more) `slave` device(s), like thus:

[![enter image description here](https://i.stack.imgur.com/jYSXk.png)](https://i.stack.imgur.com/jYSXk.png)

Would this be a feasible setup? In other words, could both `masters` request (not simultaneously) from the `slave`?