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Add access methods to get the Wire bus number and I2C bus handle (#11570)
* feat(i2c): Add method to access the I2C bus handle

* feat(wire): Add access method to get the I2C bus number

* ci(pre-commit): Apply automatic fixes

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Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
2025-07-08 16:18:42 +03:00
.github fix(dangerjs): Disable target branch rule (#11565) 2025-07-08 13:09:59 +03:00
cores/esp32 Add access methods to get the Wire bus number and I2C bus handle (#11570) 2025-07-08 16:18:42 +03:00
docs fix(docs): Fix links and versions (#11505) 2025-06-24 14:43:27 +03:00
idf_component_examples ci(idf): Use included IDF examples in CI (#11240) 2025-04-28 18:45:12 +03:00
libraries Add access methods to get the Wire bus number and I2C bus handle (#11570) 2025-07-08 16:18:42 +03:00
package IDF release/v5.4 (#11517) 2025-07-02 14:41:39 +03:00
tests feat(test): Enhance NVS test (#11481) 2025-06-23 15:02:47 +03:00
tools fix deprecated warnings caaused from esptool v5.0.0 (#11556) 2025-07-07 13:01:50 +03:00
variants fix(board): Update PSRAM configuration for RAK3112 to fix PSRAM error (#11552) 2025-07-07 11:56:44 +03:00
.clang-format refactor(style): Change some style options (#9526) 2024-04-19 18:16:55 +03:00
.codespellrc ci(pre-commit): Lock versions to SHA and apply fixes (#11248) 2025-04-22 09:16:32 +03:00
.editorconfig ci(json): Add requires_any field and use QIO by default to match IDE (#10472) 2024-10-19 12:00:48 +03:00
.flake8 ci(performance): Add performance tests to CI (#9560) 2024-05-07 13:16:13 +02:00
.gitignore fix(get.py): Remove existing files before extracting (#10247) 2024-08-28 09:54:52 +03:00
.gitmodules v2.0.0 Add support for ESP32S2 and update ESP-IDF to 4.4 (#4996) 2021-04-05 14:23:58 +03:00
.pre-commit-config.yaml ci(pre-commit): Lock versions to SHA and apply fixes (#11248) 2025-04-22 09:16:32 +03:00
.prettierignore Style Checker and Pre-commit hook CI (#9132) 2024-04-15 18:41:51 +03:00
.readthedocs.yaml Removed YML wron file and changed the YAML (#8785) 2023-10-20 16:35:06 +03:00
.shellcheckrc ci(pre-commit): Add bash script formatter and linter (#10681) 2024-12-09 15:25:11 +02:00
.vale.ini docs(vale): Enable vale and fix errors (#10231) 2024-08-28 15:48:18 +03:00
boards.txt fix(board): Update PSRAM configuration for RAK3112 to fix PSRAM error (#11552) 2025-07-07 11:56:44 +03:00
CMakeLists.txt feat(zigbee): Add Fan Control endpoint support (#11559) 2025-07-08 13:08:56 +03:00
CODE_OF_CONDUCT.md fix(spelling): Fix misspellings detected by codespell and enable it (#10232) 2024-08-28 15:43:02 +03:00
idf_component.yml fix(p4): Update hosted and wifi_remote components 2025-06-24 12:35:18 +03:00
Kconfig.projbuild fix(build): Update required components and menu 2024-10-22 15:55:37 +03:00
LICENSE.md Refactor repository with pre-commit hooks (#9515) 2024-04-15 19:40:56 +03:00
package.json Update core version to 3.2.1 2025-07-03 16:42:28 +03:00
platform.txt Update core version to 3.2.1 2025-07-03 16:42:28 +03:00
programmers.txt Add support for ArduinoIDE 2.0.0 (#6506) 2022-04-04 17:19:23 +03:00
README.md docs(esp32p4): Add missing information and improve organization (#11081) 2025-03-17 12:37:41 +02:00

Arduino core for the ESP32, ESP32-C3, ESP32-C6, ESP32-H2, ESP32-P4, ESP32-S2 and ESP32-S3.

Build Status Verbose Build Status External Libraries Test Runtime Tests

Need help or have a question? Join the chat at Discord or open a new Discussion

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Contents

Development Status

Latest Stable Release

Release Version Release Date Downloads

Latest Development Release

Release Version Release Date Downloads

Development Planning

Our Development is fully tracked on this public Roadmap 🎉

For even more information you can join our Monthly Community Meetings 🔔.

Documentation

You can use the Arduino-ESP32 Online Documentation to get all information about this project.


Migration guide from version 2.x to 3.x is available here.


APIs compatibility with ESP8266 and Arduino-CORE (Arduino.cc) is explained here.


Supported Chips

Here are the ESP32 series supported by the Arduino-ESP32 project:

SoC Stable Development Datasheet
ESP32 Yes Yes ESP32
ESP32-C3 Yes Yes ESP32-C3
ESP32-C6 Yes Yes ESP32-C6
ESP32-H2 Yes Yes ESP32-H2
ESP32-P4 Yes Yes ESP32-P4
ESP32-S2 Yes Yes ESP32-S2
ESP32-S3 Yes Yes ESP32-S3

Note

ESP32-C2 is also supported by Arduino-ESP32 but requires using Arduino as an ESP-IDF component or rebuilding the static libraries. For more information, see the Arduino as an ESP-IDF component documentation or the Lib Builder documentation, respectively.

For more details visit the supported chips documentation page.

Decoding exceptions

You can use EspExceptionDecoder to get meaningful call trace.

Issue/Bug report template

Before reporting an issue, make sure you've searched for similar one that was already created. Also make sure to go through all the issues labeled as Type: For reference.

Finally, if you are sure no one else had the issue, follow the Issue template or Feature request template while reporting any new Issue.

External libraries compilation test

We have set-up CI testing for external libraries for ESP32 Arduino core. You can check test results in the file LIBRARIES_TEST. For more information and how to add your library to the test see external library testing in the documentation.

Contributing

We welcome contributions to the Arduino ESP32 project!

See contributing in the documentation for more information on how to contribute to the project.

We would like to have this repository in a polite and friendly atmosphere, so please be kind and respectful to others. For more details, look at Code of Conduct.