I manage to get two-way communication between the hub and a computer. I used the following resources:
https://github.com/bricklife/LEGO-Hub2Hub-Communication-Hacks
https://hubmodule.readthedocs.io/en/latest/hub2hub/
![](https://cdn.hackaday.io/images/5949531645075026870.png)
I am still working on getting Hub2Hub to work with a Raspberry Pi.
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