Zephyr Project Documentation
Welcome to the Zephyr Project’s documentation for version 4.0.0.
Documentation for the latest (main) development branch of Zephyr can be found at https://docs.zephyrproject.org/
Use the version selection menu on the left to view documentation for a specific version of Zephyr.
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Introduction
Architecture, features & licensing details
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Getting Started Guide
Set up Zephyr, build & run a sample application
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Contribution Guidelines
How to submit patches and contribute to Zephyr
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Samples and Demos
Explore samples and demos for various boards
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Hardware Support
Supported hardware and porting guides
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Security
Security processes and guidelines
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Supported Boards
List of supported boards and platforms
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OS Services
OS Services and usage guides
For information about the changes and additions for past releases, please consult the published Releases documentation.
The Zephyr OS is provided under the Apache 2.0 license (as found in the LICENSE file in the project’s GitHub repo). The Zephyr OS also imports or reuses packages, scripts, and other files that use other licensing, as described in Licensing of Zephyr Project components.