---
title: "Flipper Zero Ethernet Network Testing Module with w5500"
url: "https://maker.wiznet.io/josephsr/resellers/flipper-zero-ethernet-network-testing-module-with-w5500/"
markdown_url: "https://maker.wiznet.io/josephsr/resellers/flipper-zero-ethernet-network-testing-module-with-w5500/md"
type: "VAR: Value-Added Reseller Products"
author: "YIHANG"
author_url: "https://www.tindie.com/products/yihang/flipper-zero-ethernet-network-testing-module/"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "YIHANG"
original_url: "https://www.tindie.com/products/yihang/flipper-zero-ethernet-network-testing-module/"
published: "2025-08-26"
language: "en"
hardware: ["WIZnet W5500 Ethernet Shield"]
likes: 0
views: 2333
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Flipper Zero Ethernet Network Testing Module with w5500

> A newly released Ethernet diagnostic module for Flipper Zero, based on WIZnet’s W5500 chip, designed for field testing and hobbyist expansion—available on Tindi

Original author: YIHANG (source: https://www.tindie.com/products/yihang/flipper-zero-ethernet-network-testing-module/)

## Components

- **WIZnet W5500 Ethernet Shield** x 1

## Article

## Flipper Zero Ethernet Network Testing Module with W5500

### Introduction

Hello everyone, today I will introduce the **Flipper Zero Ethernet Network Testing Module with W5500**.

Flipper Zero is a **multi-tool device for security researchers, makers, and pentesters**. It integrates multiple interfaces such as RFID/NFC, infrared, sub-GHz radio, and GPIO, and is widely used for **IoT debugging, wireless hacking, and educational experiments**.

---

### Background

In the past, many developers experimented with adding **Ethernet connectivity to Flipper Zero** by wiring a W5500 Lite board on a breadboard. These DIY attempts were often shared in maker communities and generated significant attention because they enabled simple **ping tests, DHCP IP assignment, and packet inspection** directly from Flipper Zero.

For example, tutorials in late 2024 demonstrated how to connect Flipper to a local network using an external W5500 module via RJ-45, confirming DHCP leases and sending ping packets. This showed the **potential of wired Ethernet on Flipper Zero**, but the solutions remained bulky and fragile due to hand-wiring and breadboard limitations.

---

### New Product (2024 Release)

In 2024, these community efforts led to the release of a **dedicated Ethernet Network Testing Module for Flipper Zero**, based on the **WIZnet W5500** chip.

**Key Advantages:Hardware TCP/IP stack (W5500)**: Offloads the microcontroller, providing reliable and fast Ethernet processing compared to software-based stacks.

**Plug-and-Play**: No soldering or breadboards required. Just connect via RJ-45 and instantly run diagnostics such as DHCP IP display, ping testing, and MAC spoofing.

**DIY Expansion Area**: The PCB includes a perforated zone where users can solder sensors, LEDs, or other peripherals to extend functionality.

**Community-Driven Evolution**: This module was developed as a direct response to the high interest and repeated DIY projects around Flipper Zero + W5500, but now provides a **professional, ready-to-use form factor**.

---

### Use Cases

**Network diagnostics**: Checking cable connectivity, IP assignment, and latency.

**Security research**: Testing network configurations, spoofing MAC addresses.

**Education and hackathons**: Quick Ethernet experimentation in classrooms or competitions.

**IoT debugging**: Providing wired network visibility alongside wireless tools already available on Flipper Zero.

---

### Conclusion

To summarize:
Flipper Zero was originally a **wireless hacking and debugging tool**, but with this **2024 W5500 Ethernet module**, it now becomes a **complete portable network diagnostic device**.

This is a great example of how **community interest and repeated DIY projects evolved into an official hardware product**, offering both stability and extensibility.

Thank you.

---

## References

Awesome Flipper – Ethernet Troubleshooter app for W5500
<https://awesome-flipper.com/application/lab.flipper.net/gpio/eth_troubleshooter>

GitHub – fz-eth-troubleshooter (Flipper + W5500 project)
<https://github.com/arag0re/fz-eth-troubleshooter>

Tekkix – “Testing a Local Computer Network and the Internet with Flipper Zero and W5500” (2024, Dec)
<https://tekkix.com/articles/diy/2024/12/testing-a-local-computer-network-and-the-int>

Tindie – Flipper Zero Ethernet Network Testing Module product page
<https://www.tindie.com/products/yihang/flipper-zero-ethernet-network-testing-module>

Flipper Zero general introduction – Wikipedia
<https://en.wikipedia.org/wiki/Flipper_Zero>

---

Source: https://maker.wiznet.io/josephsr/resellers/flipper-zero-ethernet-network-testing-module-with-w5500/