---
title: "Build and Operation Guide for W55RP20-S2E (Serial to Ethernet)"
url: "https://maker.wiznet.io/mason/projects/build-and-operation-guide-for-w55rp20-s2e-serial-to-ethernet/"
markdown_url: "https://maker.wiznet.io/mason/projects/build-and-operation-guide-for-w55rp20-s2e-serial-to-ethernet/md"
type: "WCC: WIZnet Created Content"
author: "Mason Lee"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "Mason Lee"
published: "2024-12-31"
language: "en"
tags: ["W55RP20"]
hardware: ["WIZnet W55RP20-EVB-Pico"]
likes: 0
views: 5564
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Build and Operation Guide for W55RP20-S2E (Serial to Ethernet)

> Build and Operation Guide for W55RP20-S2E (Serial to Ethernet)

Original author: Mason Lee

## Components

- **WIZnet W55RP20-EVB-Pico** x 1 ([docs](https://wiznet.io/products/powered-by-raspberry-pi/w55rp20-evb-pico))

## Documents and links

- [W55RP20-S2E Github Code](https://github.com/WIZnet-ioNIC/W55RP20-S2E.git) (code)

## Article

The W55RP20 chip is a System-in-Package (SiP) solution that integrates WIZnet's W5500 Ethernet controller with the RP2040 microcontroller from Raspberry Pi, providing networking and processing capabilities for IoT devices and smart applications.

![](https://docs.wiznet.io/assets/images/W55RP20_system_overview-b2bae6e3cd6391a3f848d4ef6a76d4b5.png)

This video guide explains how to build, write, and operate the Serial to Ethernet Firmware (W55RP20-S2E) on the W55RP20 evaluation board. It is designed to help users set up the firmware, flash it to the board, and test its functionality step by step.

[Embedded media](https://www.youtube.com/embed/wmou8Y7Vlz8)

git clone --recurse-submodules <https://github.com/WIZnet-ioNIC/W55RP20-S2E.git>

We recommend the following versions for successful build and development:

pico-sdk: 2.0.0
ARM GCC Toolchain: 13.2.Rel1

---

Source: https://maker.wiznet.io/mason/projects/build-and-operation-guide-for-w55rp20-s2e-serial-to-ethernet/