Try embedded rust: Get an RP2040 board and fool around with that. It'll make a lot more sense to you if the parts you don't understand are encapsulation types

Try embedded rust: Get an RP2040 board and fool around with that. It'll make a lot more sense to you if the parts you don't understand are encapsulation types like RC, Box, and Arc because those aren't really used in embedded rust! Lifetimes are still used but not nearly as much.