@Shufei@mastodon.sdf.org I think PineTime is simple enough for new coders (though some wiring is needed)... Take a look at this doc and lemme know what you think 😀 https://medium.com/@ly.lee/build-and-flash-rust-mynewt-firmware-for-pinetime-smart-watch-5e14259c55?source=friends_link&sk=150b2a73b84144e5ef25b985e65aebe9