---
title: "Ethernet W5100 network expansion board SD card expansion is compatible with UNO"
url: "https://maker.wiznet.io/WIZnet/resellers/ethernet-w5100-network-expansion-board-sd-card-expansion-is-compatible-with-uno/"
markdown_url: "https://maker.wiznet.io/WIZnet/resellers/ethernet-w5100-network-expansion-board-sd-card-expansion-is-compatible-with-uno/md"
type: "VAR: Value-Added Reseller Products"
author: "store"
author_url: "https://item.taobao.com/item.htm?id=43733391612&ali_refid=a3_430676_1006:1103831585:N:QJJl8%2BI%2BbQGnPUwrMwpDZA%3D%3D:9bf389850a7d10f7b5429d7094ed3641&ali_trackid=1_9bf389850a7d10f7b5429d7094ed3641&spm=a231o.7712113%2Fa.1004.417"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "store"
original_url: "https://item.taobao.com/item.htm?id=43733391612&ali_refid=a3_430676_1006:1103831585:N:QJJl8%2BI%2BbQGnPUwrMwpDZA%3D%3D:9bf389850a7d10f7b5429d7094ed3641&ali_trackid=1_9bf389850a7d10f7b5429d7094ed3641&spm=a231o.7712113%2Fa.1004.417"
published: "2023-03-27"
language: "en"
hardware: ["WIZnet W5100"]
likes: 0
views: 110
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Ethernet W5100 network expansion board SD card expansion is compatible with UNO

> Ethernet W5100 network expansion board SD card expansion is compatible with UNO

Original author: store (source: https://item.taobao.com/item.htm?id=43733391612&ali_refid=a3_430676_1006:1103831585:N:QJJl8%2BI%2BbQGnPUwrMwpDZA%3D%3D:9bf389850a7d10f7b5429d7094ed3641&ali_trackid=1_9bf389850a7d10f7b5429d7094ed3641&spm=a231o.7712113%2Fa.1004.417)

## Components

- **WIZnet W5100** x 1 ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5100))

---

Source: https://maker.wiznet.io/WIZnet/resellers/ethernet-w5100-network-expansion-board-sd-card-expansion-is-compatible-with-uno/