ESP-AT Firmware Differences

[中文]

This document compares the differences among AT firmwares of a certain ESP32-C6 series in terms of the supported commands set, hardware, and supported modules.

ESP32-C6 Series

This section describes the differences among AT firmwares of ESP32-C6 series, including

  • ESP32C6-4MB-AT-Vx.x.x.x.zip (referred to as ESP32C6-4MB Bin in this section);

Supported Command Set

The table lists which command set is supported by default in the official AT firmware applicable to ESP32-C6 series of modules (marked with icon-green-check), which is not supported by default but can be supported after configuration of the ESP-AT project (marked with icon-orange-check), and which is not supported at all (marked with icon-red-cross). Note that the command set that is not shown in this table is not supported either. Applicable firmware that has not been officially released requires compilation by yourself. Those self-compiled firmware cannot be upgraded OTA from Espressif official server.

Command Set

ESP32C6-4MB Bin

base

icon-green-check

user

icon-green-check

Wi-Fi

icon-green-check

TCP-IP

icon-green-check

mDNS

icon-green-check

WPS

icon-green-check

SmartConfig

icon-green-check

ping

icon-green-check

MQTT

icon-green-check

HTTP

icon-green-check

Bluetooth LE

icon-green-check

BluFi

icon-green-check

FileSystem

icon-orange-check

driver

icon-orange-check

WPA2 enterprise

icon-orange-check

Web server

icon-orange-check

WebSocket

icon-orange-check

OTA

icon-green-check

Hardware Differences

Hardware

ESP32C6-4MB Bin

Flash

4 MB

PSRAM

icon-red-cross

UART Pins 1

TX: 7
RX: 6
CTS: 5
RTS: 4
1

UART pins can be customized. See How to Set AT Port Pins for details.

Supported Modules

The table below lists the modules or chips that are default supported by the officially released ESP32-C6 series AT firmware (indicated by icon-green-check), the modules that are not supported by default but can be modified to be supported using the at.py Tool (indicated by icon-orange-check), and the modules that are not supported at all (indicated by icon-red-cross). For modules that are not supported at all, you can refer to Compile ESP-AT Project Locally to modify the configuration as needed for support.

Module/Chip

ESP32C6-4MB Bin

ESP32-C6-MINI-1

icon-green-check

ESP32-C6-WROOM-01

icon-green-check