There are a lot of problems in the world but we're not talking about a huge one: how much your shower control just plain sucks
So I wrote a short manifesto...
https://benholmen.com/blog/shower-temperature-control/
@benholmen Is that a solution already made?
@benholmen Well, I learned something today....thanks!
@idropyou yeah! Pretty interesting, I'd love to see a teardown of one of those valves
@idropyou yes it's called a thermostatic valve
Lots of discussion at HN: https://news.ycombinator.com/item?id=34611335