Last time I checked "Formatting is Unreasonably Expensive for Embedded Rust" (1) And/or you need a crate like alloc, heapless, etc. For the sake of a sprintf

Last time I checked "Formatting is Unreasonably Expensive for Embedded Rust" (1) And/or you need a crate like alloc, heapless, etc. For the sake of a sprintf "abstraction"... (1) https://jamesmunns.com/blog/fmt-unreasonably-expensive/ https://jamesmunns.com/blog/fmt-unreasonably-expensive/