Seeed Studio W5500 Ethernet Shield
Overview
The Seeed Studio 103030021 is an Ethernet development shield featuring the W5500 hardwired TCP/IP controller. It provides 10/100 Mbps Ethernet connectivity via a standard RJ45 port and communicates with a host microcontroller through a high-speed SPI interface. Designed for the Arduino ecosystem, it includes an integrated microSD card slot for data logging and local storage.
Why Choose This Part
The W5500 chip offloads the TCP/IP stack from the host MCU, saving memory and processing cycles for application logic. It supports up to 8 independent hardware sockets and features a low-power mode with a sleep current of 13uA. The shield form factor allows for rapid prototyping without the need for complex breadboard wiring or external power management for the RJ45 jack.
Applications
Getting Started
To use this shield, plug it into an Arduino-compatible header and use the standard Ethernet library or the Seeed Studio W5500 library. The hardware operates between 2.97V and 4.6V VDD, typically powered by the 5V rail from the base board. Ensure the SPI pins (MOSI, MISO, SCK) and the chip select pin are correctly configured in your firmware for communication.
