MICROBIT

rust-on-bbc-microbit

AI suggestion
compass

microbit yotta bluetooth
Look here for in depth info on bluetooth and the DAL
See also for alternative languages

bbc microbit features
micropython
The BBC micro:bit uses a proprietary short-range wireless interface based on the Nordic Gazell protocol, which is built upon the Nordic nRF51 software development kit, for its radio communication.

mbed debug-microbit

BBC microbit breakout connector

Note: The micro:bit's processor is based on the Nordic nRF51.

edgeconnector
use micro bit with Arduino

edge connector tech details
see also

more info
dfrobot

YouTube - could be useful

remember to update rustc with 'rustup update'

comprehensive rust/bare-metal
starting with cargo (rust)
Then : Cargo build
and
Then : Cargo run

OR
Embedded Rust

microbit-arduino

microbit-magnetometer