---
title: "WIZnet Ethernet HAT with Arduino mega2560"
url: "https://maker.wiznet.io/louis_m/projects/WIZnet-Ethernet-HAT-with-Arduino-mega2560/"
markdown_url: "https://maker.wiznet.io/louis_m/projects/WIZnet-Ethernet-HAT-with-Arduino-mega2560/md"
type: "UCC: User Created Content"
author: "Louis"
author_url: "https://maker.wiznet.io/louis_m/"
original_author: "louis_m"
original_url: "http://www.masterlock.co.kr/"
published: "2022-04-20"
language: "en"
likes: 0
views: 166
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# WIZnet Ethernet HAT with Arduino mega2560

> WIZnet Ethernet HAT with Arduino mega2560

Original author: louis_m (source: http://www.masterlock.co.kr/)

## Article

Reference : Required for W5100S

<http://loveivyou.egloos.com/1273748>

WIZnet Ethernet HAT - W5100S

<https://www.wiznet.io/product-item/wiznet-ethernet-hat/>

<https://docs.wiznet.io/Product/Open-Source-Hardware/wiznet_ethernet_hat>

Pin out

WIZnet Ethernet HAT

![](http://www.masterlock.co.kr/wp-content/uploads/3-1.jpg)

Arduino Mega 2560

<https://www.sparkfun.com/products/retired/9949?__hstc=103206815.99a265337744294b740e0787aea508c4.1485648000246.1485648000247.1485648000248.1&__hssc=103206815.1.1485648000249&__hsfp=1413835898>

<https://content.arduino.cc/assets/Pinout-Mega2560rev3_latest.pdf>

Connection

![](http://www.masterlock.co.kr/wp-content/uploads/3-2.jpg)

![](http://www.masterlock.co.kr/wp-content/uploads/3-3.jpg)

Choose Board

Open Ethernet Example

![](http://www.masterlock.co.kr/wp-content/uploads/3-4.jpg)

Upload

![](http://www.masterlock.co.kr/wp-content/uploads/3-5.jpg)

Serial

![](http://www.masterlock.co.kr/wp-content/uploads/3-6.jpg)

Also, you can use a W5100S Ethernet Shield.

<https://docs.wiznet.io/Product/Open-Source-Hardware/w5100s_mkr_ethernet_shield>

---

Source: https://maker.wiznet.io/louis_m/projects/WIZnet-Ethernet-HAT-with-Arduino-mega2560/