A fun little thing to share
An Apple 12+6 pin card (a BCM943602CS if the label is right) soldered to a custom kludgey m.2+USB converter card, in a NUC7i5BNH.
The converter card is based on the pinouts and other info provided in these forums. Similar to the PCI-E desktop converter cards it relies on a USB header for the Bluetooth module.
It uses both NUC built-in antennas and needs a third one, which you can see is plugged into the middle antenna port and going out the side of the case.
We are working on the next revision of the converter card, which will re-orient the USB connector to a horizontal connector. Right now you can't actually put the hard drive back in. Also, the current m.2 connector isn't quite sized properly, so the card can get bumped out of place and stop working.
I intend to share the board design and a parts list itself once the design is more reliable. I also want to say great things about OSH Park, where we had the boards made.
Continuity/Handoff features are working. I don't really care for those features, the point was to see if I could make it work in a NUC. All for funsies.
RehabMan, this was a total breeze from the software side. I enabled HS05 as an internal (0xff) port. Other than that it needed no additional plist changes, kexts, etc, during install or post-install.
It's working great so I haven't attached IORegs, but if you think they're of value to you then I'm happy to provide.
My hat goes off to you, sir, and to the rest of the community.