Thank you! Also nobody wants to buy a copy of an ISO standard

No idea if it’s any good, but here’s an e-ink watch: https://www.crowdsupply.com/sqfmi/watchy

Here’s a source: https://web.archive.org/web/20211007003509/https://www.reddit.com/r/matrix/comments/q2xefs/batteries_not_processors/

Bottom line, original is batteries

The first one would have deleted nothing as it needs to match the whole name. I recommend running find with an explicit -print before replacing it in place with -delete or -exec. It’s good to remember that find has a complex order dependent language with -or and -and, but not maybe the best idea to try to use those features.

All instruction sets are documented in English and it’s more esoteric so the tutorial scene in any non-English language is less developed, so that requires even more English skill than memorizing a couple of keywords in a mainstream language.

Don’t give it internet access during setup.