Ethernet3 Library for WIZnet W5500
An advanced Ethernet library for Arduino that supports WIZnet W5500-based modules such as WIZ850io and WIZ550io.
WIZnet - W5500
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Ethernet3 is an enhanced Ethernet library designed for developers working with WIZnet’s W5500 Ethernet controller.
Built upon the standard Arduino Ethernet library, it adds powerful configuration and diagnostic capabilities to help you manage hardware behavior and network parameters more precisely.
🚀 Key Features
Custom DHCP Hostname
Set a recognizable device hostname using Ethernet.setHostname("MyDevice").
Advanced PHY Control
Adjust speed (10/100 Mbps), duplex mode, and power-saving options with Ethernet.phyMode().
Wake-on-LAN Support
Enable remote wake-up capability via Ethernet.WoL(true).
Link & MAC Status Reading
Retrieve link status, speed, duplex mode, and MAC address information directly.
Customizable Hardware Pins
Define your own chip-select (CS) and reset (RST) pins using Ethernet.setCsPin() and Ethernet.setRstPin().
Adjustable Socket & Buffer Size
Tune maximum socket numbers and buffer sizes to fit your application’s requirements.
💡 Supported Hardware
WIZnet W5500-based modules (e.g., WIZ850io, WIZ550io, USR-ES1)
Arduino Ethernet Shield 2 and compatible boards
⚙️ Typical Applications
IoT devices requiring stable wired connectivity
Industrial control systems
Remote monitoring & data logging solutions