Cargo Features

[dependencies]
nrf52840-dk-bsp = { version = "0.2.0", default-features = false, features = ["rt"] }
default = rt

The rt feature is set by default whenever nrf52840-dk-bsp is added without default-features = false somewhere in the dependency tree.

rt default

Enables rt of nrf52840-hal ^0.13.0

nrf52840-dk-bsp has 2 features without comments.