---
title: "W5500-CSDN博客"
url: "https://maker.wiznet.io/gunn/projects/w5500-csdn/"
markdown_url: "https://maker.wiznet.io/gunn/projects/w5500-csdn/md"
type: "UCC: User Created Content"
author: "gunn"
author_url: "https://maker.wiznet.io/gunn/"
original_url: "https://blog.csdn.net/2401_83308206/article/details/145154188"
license: "MIT license (MIT)"
published: "2025-05-27"
language: "en"
hardware: ["WIZnet W5500"]
likes: 0
views: 1280
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# W5500-CSDN博客

> The article outlines the process of setting up an IoT network using the W5500 chip. It details the creation of a TCP server and the integration of FreeModbus for Modbus TCP communication. The instructions include code snippets for initialization and handling socket states.

Original source: https://blog.csdn.net/2401_83308206/article/details/145154188

## Components

- **WIZnet W5500** x 1: Basic hardware ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5500))

WIZnet parts: W5500 ([Datasheet](https://docs.wiznet.io/Product/Chip/Ethernet/W5500/datasheet?utm_source=maker&utm_medium=project&utm_campaign=w5500), [product hub](https://maker.wiznet.io/products/w5500/))

## Article

This IoT project demonstrates the integration of TCP communication and Modbus protocols, highlighting the potential for efficient industrial automation solutions. As IoT continues to evolve, the significance of such projects lies in their ability to streamline data exchange and enhance device interoperability, paving the way for smarter manufacturing and resource management in the future.

---

Source: https://maker.wiznet.io/gunn/projects/w5500-csdn/