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Chen Wu b2921f8fdb Some checks failed build_template_esp32.yml / Merge branch 'change/update_at_core' into 'master' (push) Failing after 0s Details build_template_esp32c2.yml / Merge branch 'change/update_at_core' into 'master' (push) Failing after 0s Details build_template_esp32c3.yml / Merge branch 'change/update_at_core' into 'master' (push) Failing after 0s Details build_template_esp32c5.yml / Merge branch 'change/update_at_core' into 'master' (push) Failing after 0s Details build_template_esp32c6.yml / Merge branch 'change/update_at_core' into 'master' (push) Failing after 0s Details build_template_esp32c61.yml / Merge branch 'change/update_at_core' into 'master' (push) Failing after 0s Details build_template_esp32s2.yml / Merge branch 'change/update_at_core' into 'master' (push) Failing after 0s Details Build ESP-AT Project / build-esp32-wroom-at (push) Blocked by required conditions Details Build ESP-AT Project / build-esp32-wrover-at (push) Blocked by required conditions 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application/esp-at!2130		2026-11-12 18:12:11 +08:00
.github	ci: skip unused ESP32-C3 RainMaker GitHub Actions job	2026-10-09 15:38:11 +08:00
.gitlab/ci	fix: skip side jobs on integration test pipelines	2026-10-15 19:38:13 +08:00
bootloader_components	feat: upgrade esp-idf version to v6.1+	2026-09-29 20:14:12 +08:00
components	change(core): update at core version to 2d59ec6e	2026-11-12 17:59:56 +08:00
docs	feat(user): add optional timeouts to AT+USEROTA	2026-11-12 15:33:31 +08:00
examples	feat(base): use core port read and http error apis	2026-10-27 10:34:11 +08:00
main	fix(system): stop external input from writing past its buffer	2026-10-15 16:34:07 +08:00
module_config	change(bt): move bt controller into flash to increase ram on esp32c2-4mb	2026-11-05 19:35:45 +08:00
patches	fix(asfe-78285): Fix the issue where BLE address type is unexpected changed	2026-11-04 16:17:38 +08:00
tools	feat: upgrade esp-idf version to v6.1+	2026-09-29 20:14:12 +08:00
.codespellrc	chore: Updated formatting according to pre-commit hooks	2025-11-20 10:33:16 +08:00
.gitignore	chore: Updated .gitignore	2025-03-24 11:17:24 +08:00
.gitlab-ci.yml	feat: upgrade esp-idf version to v6.1+	2026-09-29 20:14:12 +08:00
.glab-ci.yml	ci: Added raw sbom to artifacts	2025-09-02 20:29:59 +08:00
.pre-commit-config.yaml	feat: Add doc formatting check script	2026-03-11 14:33:19 +08:00
build.py	feat: upgrade esp-idf version to v6.1+	2026-09-29 20:14:12 +08:00
CMakeLists.txt	feat: upgrade esp-idf version to v6.1+	2026-09-29 20:14:12 +08:00
LICENSE	chore: Updated the license and code style to satisfy pre_commit check	2024-01-12 20:41:40 +08:00
README.md	feat: Introduced new version v4.2.0.0 for esp32, esp32c2, esp32c3, esp32c6, esp32s2	2026-08-07 16:42:05 +08:00
README_CN.md	feat: Introduced new version v4.2.0.0 for esp32, esp32c2, esp32c3, esp32c6, esp32s2	2026-08-07 16:42:05 +08:00
requirements.txt	feat: upgrade esp-idf version to v6.1+	2026-09-29 20:14:12 +08:00

README.md

ESP-AT

中文版

esp-at project was started and powered by Espressif Systems (@espressif) as an official project, for the ESP32-C2, ESP32-C3, ESP32-C5, ESP32-C6, ESP32-C61, ESP32, and ESP32-S2 Series SoCs provided for Windows, Linux, and macOS.
It is now supported and maintained by Espressif esp-at team (@esp-at). Before using the ESP-AT solution, please read the disclaimer carefully and comply with its terms and precautions.

Introduction

Espressif SoCs serve as add-on modules, easily integrating wireless connectivity into existing products. To reduce development costs, Espressif offers a set of AT commands (select your target chip from the dropdown menu in the top left corner) that enable users to interface with Espressif products.

The AT solution provided by Espressif allows for rapid integration by providing:

In-built a large number of AT commands
Easy integration with resource-constrained host platforms
Easy-to-parse command-response protocols
Customized, user-defined AT commands

ESP-AT Release and SoC Compatibility

The following table shows ESP-AT support status of Espressif SoCs.

Chip	v4.2.0.0	v5.0.1.0	master
ESP32
ESP32-C3
ESP32-C2
ESP32-C6
ESP32-S2
ESP32-C5
ESP32-C61

: Released versions. You can click to go to the corresponding release page and download the AT firmware.
: Supported versions. You can click to go to the corresponding branch and develop your own AT firmware.
: Pre-release versions, expected to release AT firmware for the corresponding chip soon.
: No plan to release AT firmware for the corresponding chip.

Please choose one of the following options based on your needs:

The default AT firmware meets your requirements: It is recommended to use the latest released version of the firmware corresponding to the chip.
The default AT firmware does not meet your requirements and stability is a priority: It is recommended to develop your AT firmware based on the latest released version of the firmware corresponding to the chip.
The default AT firmware does not meet your requirements and you want more new features: It is recommended to develop your AT firmware based on the master branch.

Other series of chips:

ESP-AT will not support ESP32-S3 and ESP32-H2 series of chips.

Support Periods of ESP-AT

Please refer to ESP-AT Versions for more details.

Resources

There are several guides for esp-at developers and users. These guides can be rendered in a number of formats, like HTML and PDF.
Documentation for the latest version: https://docs.espressif.com/projects/esp-at/en/latest/index.html. This documentation is built from the docs directory of this repository.
The Changelogs of historic released versions: https://github.com/espressif/esp-at/releases
Check the Issues section on GitHub if you find a bug or have a feature request. Please check existing Issues before opening a new one.
The esp-at forum is a place to ask questions and find community resources.
The ESP Product Selector is a tool to help you compare different chips or modules.