警告

This document is not updated for ESP32H21 yet, so some of the content may not be correct.

This warning was automatically inserted due to the source file being in the add_warnings_pages list.

# Wi-Fi Expansion

[中文]

ESP32-H21 does not support Wi-Fi functionality natively, but it is possible to use the same Wi-Fi API and features using Wi-Fi expansion.

## ESP32-H21 esp_wifi_remote

The principle of Wi-Fi Expansion operation is to add another ESP32 series, Wi-Fi capable, target connected to the ESP32-H21 in a pre-defined way. Your project could then include the esp_wifi_remote component using:

    idf.py add-dependency esp_wifi_remote

Please follow the instructions described in the component documentation which is linked in the above paragraph.

To explore the Wi‑Fi Expansion functionality on ESP32-H21, you can:

- Start with the built‑in MQTT over TLS example `examples/protocols/mqtt` (or the MQTT 5.0 variant `examples/protocols/mqtt5`) and choose Wi‑Fi connection in the project configuration menu;

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