#hal #io

no-std embedded-hal-nb

Non-blocking Hardware Abstraction Layer (HAL) for embedded systems using the nb crate

3 releases (1 unstable)

1.0.0-alpha.1 Sep 28, 2022
1.0.0-alpha.0 Sep 27, 2022
0.0.0 Aug 9, 2022

#82 in Embedded development

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6,678 downloads per month
Used in 18 crates (10 directly)


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crates.io crates.io Documentation Minimum Supported Rust Version


A non-blocking Hardware Abstraction Layer (HAL) for embedded systems, using the nb crate.

This crate contains versions of some embedded-hal traits using nb, and shares its scope and design goals.

This project is developed and maintained by the HAL team.

API reference

Minimum Supported Rust Version (MSRV)

This crate is guaranteed to compile on stable Rust 1.54 and up. It might compile with older versions but that may change in any new patch release.

See here for details on how the MSRV may be upgraded.


Licensed under either of

at your option.


Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.