Need some help: Arduino section control

[Pat]

How does the optional section control board look like?
I don’t have one of these boards but I think it has an specific ino.

There is not a lot of info about this board here.
It’s this board?

SMD PCB Project for an all-in-one compact PCB for AOG/QOG

Hi community, right now I’m going to order samples of my first PCB design: [3D] Costs will be about $35 per fully SMD assembled PCB when ordering 10 pieces at JLCPCB. As I’m still waiting for the availability of the USB hub chip, all comments and suggestions are still welcome Hope, you’ll find all necessary information on github. @BrianTee_Admin For sure I would appreciate your feedback most to get to know if my idea’s are compatible with your’s for the future from the software…