3 unstable releases

Uses new Rust 2024

0.2.1 Apr 16, 2026
0.2.0 Oct 30, 2025
0.1.1 Oct 30, 2025
0.1.0 Oct 13, 2025

#2517 in Embedded development

Download history 3371/week @ 2026-01-23 3925/week @ 2026-01-30 3592/week @ 2026-02-06 3322/week @ 2026-02-13 4026/week @ 2026-02-20 3901/week @ 2026-02-27 4390/week @ 2026-03-06 4211/week @ 2026-03-13 3829/week @ 2026-03-20 3881/week @ 2026-03-27 3930/week @ 2026-04-03 4682/week @ 2026-04-10 4800/week @ 2026-04-17 6822/week @ 2026-04-24 5285/week @ 2026-05-01 5425/week @ 2026-05-08

23,141 downloads per month
Used in 94 crates (10 directly)

MIT/Apache

2MB
40K SLoC

esp-sync

Crates.io docs.rs MSRV Crates.io Matrix

This crate provides an optimized raw mutex (a lock type that doesn't wrap any data) for ESP32 devices.

Minimum Supported Rust Version (MSRV)

This crate is guaranteed to compile when using the latest stable Rust version at the time of the crate's release. It might compile with older versions, but that may change in any new release, including patches.

License

Licensed under either of

at your option.

Contribution

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.

Dependencies

~2MB
~42K SLoC