Re:Odyssey Blue: Celeron Mini PC with Arduino Coprocessor, 1...
by magicalhippo on Monday January 16, 2023 @08:31PM
(#34408070)
It's not spelled out very explicitly, but the wiki[1] contains the details. It's connected to the host CPU via a serial port, and the specifications state "28-pin header from SAMD21G18". There's also a pinout diagram[2].
[1]: https://wiki.seeedstudio.com/ODYSSEY-X86J4105/
[2]: https://wiki.seeedstudio.com/ODYSSEY-X86J4105/#pinout-diagra...