I've used GNUroot before for similar things. I don't need a GUI to occasionally adjust the temp on a thermostat. www.TurboControl.com/userland.htm is the new page (links to old page)
The rs ecosystem is just growing. We can search [crates.io](https://crates.io/categories/rendering) for finding what we need from what we had in Flash, except the display tree (`flash.display`). With …