Released Firmware

[中文]

It is recommended to use the lastest version of firmware. Currently, Espressif releases AT firmware for the following ESP32-C3 series of modules.

Note

• The AT firmware versions v2.2.0.0 to v3.2.0.0 support the ESP32-C3 ECO0 (Rev v0.0) to ECO4 (Rev v0.4) series chips (including ECO0 and ECO4).

• The AT firmware version v3.3.0.0 supports the ESP32-C3 ECO0 (Rev v0.0) to ECO4 (Rev v0.4), ECO6 (Rev v1.0), and ECO7 (Rev v1.1) series chips.

• If you are unsure whether your module can use the default AT firmware, please read the ESP-AT Firmware Differences document first. This document compares the differences among different ESP32-C3 AT firmwares in terms of supported command sets, hardware configurations, and module compatibility, helping you confirm if your module’s hardware configuration is suitable for using the default AT firmware.

• If you need to modify the following configurations, you can generate a new firmware by modifying the AT firmware using the at.py Tool.

  • Modify UART Configuration

  • Modify Wi-Fi Configuration

  • Modify Certificate and Key Configuration

  • Modify GATTS Configuration

Disclaimer

Before using the AT firmware below, please read the Disclaimer carefully and comply with its terms and precautions.

ESP32-C3-MINI-1 Series

• v3.3.0.0 ESP32-C3-MINI-1-AT-V3.3.0.0.zip (Recommended)

• v3.2.0.0 ESP32-C3-MINI-1-AT-V3.2.0.0.zip

• v2.4.2.0 ESP32-C3-MINI-1-AT-V2.4.2.0.zip

• v2.4.1.0 ESP32-C3-MINI-1-AT-V2.4.1.0.zip

• v2.4.0.0 ESP32-C3-MINI-1-AT-V2.4.0.0.zip

• v2.3.0.0 ESP32-C3-MINI-1-AT-V2.3.0.0.zip

• v2.2.0.0 ESP32-C3-MINI-1-AT-V2.2.0.0.zip

Subscribe to AT Releases

Please refer to the Subscribe to AT Releases documentation to subscribe to our version release notifications and stay updated on the latest releases.

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