[kpcyrd]

Running Rust on them worked well for me: https://github.com/kpcyrd/ch32v003-demo

I had to put in more effort regarding RAM use and flash size, but I managed to fit a game into the 16kb limit regardless: https://github.com/kpcyrd/game-streetcat2026

[pedro_caetano]

Very nice walkthrough in the demo readme, thanks for sharing.