The Rust embedded discovery ebook is a great way to get started with embedded programming in Rust. Here's a taste of what that looks like, and what it means to program embedded systems. docs.rust-embedded.org/discov...
Leaving a comment to help the channel. This is the best embedded video I’ve seen so far in terms of several concepts regarding the difference between coding for something like the CLI
BTW, the readelf --arch-specific option (short opt is -A) may be a little more useful for this than file-headers. Among other things you can check which Arm version was targeted, and FP options.
The microbit is a nice way to get started, especially if you already have one. The pico w has also become the platform that I used most after the microbit.