Update:
I have been working on this off and on for the last couple of weeks when I have time, far from finished but I do have several updates.
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Making RJ45 fit:
After some research I found another framework thread seeking to make a low profile Ethernet adapter, there I saw that they used an interesting partial rj45 port that has the pins but not most of the physical connector. In theory this connector should just be slim enough to fit through the opening in the rear, and then I will design a 3d printable piece that will form the top half of all the connectors as well as making it look a bit nicer. -
Schematic:
I have gotten a lot of the schematic fleshed out, just some odds and ends with power and flash chips. However, the current version of frameworks expansion bay documentation isn’t finalized, so to ensure compatibility I will be waiting to make a functional prototype until that is ready.
Also just to show something for what I’ve done, here is a (and I can’t stress this enough) very very early rendering of the board. Things likely to change in it? Basically everything, this was more for me to figure out placement of the connectors and for instance that notch between the rj45 connectors will likely go away partially.
If you want to keep more up to date with the project, I am fairly active in the #projects channel in the official framework discord server.