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esp-hal

v1.0.0 Stable

Bare-metal HAL for Espressif devices

MIT OR Apache-2.0 Edition 2024 MSRV 1.88.0
Hardware supportEmbedded developmentNo standard library #embedded#hal#embedded-hal#esp32#espressif

Quick Verdict

  • โœ“Stable API (1.x for 2+ years)
  • โœ“Trusted by 387 crates
  • โœ“Team maintained (3 owners)
  • !Heavy dependency tree (55 direct deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
632.3K
Dependents
387
Releases
18
Size
581KB

Deep Insights

๐Ÿ“Š
Stable downloads

44.2K downloads in the last 30 days (1.5K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

387 crates depend on esp-hal. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (3 owners), reducing bus-factor risk and ensuring continuity.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 18 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

55 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include esp-hal-embassy, esp-wifi, sh8601-rs, ft3x68-rs, rmk. When high-quality crates choose esp-hal, it's a strong quality signal.

Health Breakdown

Maintenance 13/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 18/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
2K/day avg-32%
01K2K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.0.0-rc.0
42%
v0.17.0
20%
v1.0.0
13%
v1.0.0-beta.0
13%
v0.22.0
12%

Release Timeline

18 releases1 yankedsince 2023
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2023
1
2024
10
2025
7
2026
Less
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Yanked

Feature Flags

default =["rt", "exception-handler", "float-save-restore"]

rt*defmtesp32psramlog-04esp32c2esp32c3esp32c6esp32h2esp32s2esp32s3unstable__usb_otg__bluetoothexception-handler*requires-unstablefloat-save-restore*

README

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Maintainers

Dependencies
55
direct dependencies
Dependents
387
crates depend on esp-hal

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