Geez for the prices listed in the article (153 EUR and 301 EUR), get a TMM (tiny mini micro - https://www.servethehome.com/introducing-project-tinyminimic... ) computer. These are the SFF/USFF off-lease older enterprise computers like Dell Optiplex. Note that ServeTheHome.com does power consumption for every model it reviews. These ~1L sized computers idle in the 7-13W range. Even with EU electricity prices, it would…
Or you can get a brand new N100 mini pc from Amazon for And for GPIO (if really needed) you can always add something like an USB Arduino micro (clone) for a couple of bucks.
Can anyone recommend one?