Please read IMPORTANT wiring notice 🛑!
If you have any questions or if there is an error in the diagram, please open an issue.
I have drawn my own design in Fusion360 and published it on GitHub. If you are interested, please have a look at this page: R2D2 Modular control unit (MCU) or better go directly to Makerworld where you can download the files via Bambu Lab.