The Rust on ESP Book logo

The Rust on ESP Book

Free

This book aims to provide a comprehensive guide on using the Rust programming language with Espressif SoCs and modules.

FreeFree tier
Type
Open Source
Company
Espressif Systems

About The Rust on ESP Book

This book provides a comprehensive guide to embedded Rust development on Espressif products. It covers the software stack, project generation, and tooling, and is intended for Rust developers who are new to embedded systems. The book includes notes on stability and versioning (SemVer), migration guides between releases, and links to additional resources such as the Rust Programming Language book and the Embedded Rust Book. Community support is available via Matrix chat and GitHub Discussions.

Key Features

Official guide to embedded Rust on Espressif hardware
Covers software stack architecture and basic workflows
Project generation and tooling walkthroughs
Stability and versioning notes with SemVer guarantees for stabilized modules
Migration guides between major crate releases
Links to supplementary resources (Rust book, Embedded Rust book, no_std guide)
Community support via Matrix chat and GitHub Discussions
Open source and free to use

Pros & Cons

Pros
  • Official and maintained by Espressif Systems
  • Free and open source documentation
  • Targets both beginners and experienced Rust developers new to embedded
  • Covers both standard and no_std environments
  • Includes stability guarantees for stabilized modules via SemVer
  • Active community support channels (Matrix, GitHub Discussions)
Cons
  • Some components (esp-hal, drivers) are still unstable and may break with cargo updates
  • Assumes familiarity with Rust programming language fundamentals
  • Not a substitute for hardware-specific datasheets or technical reference manuals
  • Documentation is still evolving and may change periodically

Best For

Learning embedded Rust development from scratch on Espressif SoCsBuilding robust, efficient, and safe embedded applicationsDeveloping IoT firmware with Rust for ESP32, ESP32-C, ESP32-S, and other modulesWorking in no_std environments with Espressif hardwareExploring the Rust embedded ecosystem with official Espressif support

FAQ

Is this book free to use?
Yes, the book is free and open source. It is hosted on Espressif's documentation site and the source is available on GitHub.
Who is this book for?
It is intended for Rust developers interested in embedded development, even if they have no prior embedded experience.
What Espressif hardware does it cover?
The book covers Espressif SoCs and modules, including the ESP32, ESP32-S, ESP32-C, ESP32-H series, and others.
Is the book complete and stable?
The book is actively developed. Stabilized modules are covered by SemVer, but unstable features like parts of esp-hal and drivers may change and break projects.
How can I get help or contribute?
You can join the Matrix community chat or use GitHub Discussions. Contributions via pull requests for typo fixes or clarity improvements are welcome.