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ESP32-S3 Dual Interface Network Example

The project focuses on dual-interface coexistence, showing how the ESP32-S3 can initialize and manage both interfaces at the same time.

jakelee

Published December 31, 2025

Original author: Ahmed Al-Alousi · United KingdomOriginal source (new tab)

ESP32-S3 Dual Interface Network Example

Components

Hardware components

x 1

WIZnet parts

Project description

✨ Project Description This project demonstrates how an ESP32-S3 can be configured to operate with both Wi-Fi and Ethernet network interfaces enabled simultaneously. The example focuses on network interface coexistence, showing that an ESP32-S3 device does not need to choose between wired and wireless connectivity. Instead, both interfaces can be initialized and managed within the same firmware. This project is presented as a reference example, not a complete application. 🧠 Motivation In many embedded designs, Ethernet and Wi-Fi are treated as mutually exclusive options. This example…

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