Warning

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

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# 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 get started with this example: examples/protocols/mqtt/tcp/README.md and choose Wi-Fi connection in the project configuration menu.

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