Skip to content

LILYGO® T-Relay-W5500 Ethernet Shield

An Ethernet expansion shield designed for the LILYGO T-Relay 4-Way and 8-Way development boards.

sophia

Published November 12, 2025

Original author: lilygoOriginal source (new tab)

LILYGO® T-Relay-W5500 Ethernet Shield

Components

Hardware components

WIZnet parts

Project description

The LILYGO T-Relay-W5500 Ethernet Shield is a compact Ethernet interface board based on the WIZnet W5500 chip, designed to add wired LAN connectivity to LILYGO’s T-Relay series (4-channel and 8-channel relay boards). It communicates with the main relay board via an SPI interface, offering 10/100 Mbps Ethernet performance with a hardware TCP/IP stack for reliable IoT and industrial applications. 🚀 Key Features WIZnet W5500 Ethernet controller with hardware TCP/IP offload engine SPI interface for seamless connection to T-Relay boards Supports 10/100 Mbps Ethernet for stable and fast wired…

Keep reading with a free account

Guests can read 15 projects per visit. Log in or create a free account to read the full description, open the documents and join the comments.

Similar projects you might like