4 layers265.6 × 214.1 mm

Unibone.unrouted
QUniBone/QUniBoneClassic
"UniBone" connects a BeagleBone Black micro Linux system to ancient DEC UNIBUS, "QBone" does the same for DEC QBUS.
1,317 parts3BSD-2-Clause
Boards in 1 GitHub repository, designed in KiCad, that use the HFD3 by HF (TH-6P Signal Relays ROHS). See how each wires it, with its parts, size, README and files; the HFD3’s symbol, footprint and pinout are on its own page.

QUniBone/QUniBoneClassic
"UniBone" connects a BeagleBone Black micro Linux system to ancient DEC UNIBUS, "QBone" does the same for DEC QBUS.