I gave a talk at Meeting Embedded 2021 on 4 November 2021. First, I introduced the hexagonal architecture (a.k.a. ports-and-adapters architecture) in general. Then, I showed a walking skeleton of the architecture for a harvester terminal.

Here is the video:

And here are the slides:

https://www.slideshare.net/slideshow/embed_code/key/C1KYFL6LNiXiQ6