cu29-derive is used at run time in 1 crate. It's used only as a dev dependency in 3 crates.

Depender cu29-derive version
cu-caterpillar ^0.2.2
cu-wt901 dev ^0.2.2
cu_ads7883 dev ^0.2.2
cu_rp_sn754410 dev ^0.2.2