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Dual Ethernet Port Expansion for SP2302 Using WIZ850io (W5500)

Enable dual Ethernet on SP2302 board using WIZ850io (W5500) module via SPI interface. Perfect for industrial IoT and secure networking applications.

Benjamin

Published May 29, 2025 · © Apache License 2.0 (Apache-2.0)

166 UCC

11 WCC

31 VAR

2 Following

Original author: SecurePi · Hong KongOriginal source (new tab)

Dual Ethernet Port Expansion for SP2302 Using WIZ850io (W5500)

Components

Hardware components
WIZ850io

WIZnet - WIZ850io

x 1

Project description

Overview In today's interconnected world, single-board computers often need multiple network interfaces for advanced applications such as network segmentation, firewall implementation, or redundant connectivity. This project transforms the Secure Pi SP2302 into a powerful dual-Ethernet platform using WIZnet's WIZ850io module, opening new possibilities for industrial IoT and secure networking applications. 🎯 Why Dual Ethernet Matters Traditional single-board computers typically come with only one Ethernet port, limiting their use in: Network Isolation: Separating trusted internal networks…

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