HiLetgo ENC28J60 ENC28J60-I/SO HR911105A Ethernet LAN Network Module SPI Interface 3.3V for Arduino AVR PIC LPC STM32
4.3Editor score
ENC28J60 main chip
25MHZ crystal on board
RJ45 HR911105A
3.3V power supply
In this guide
Choosing the right Arduino Lan Ethernet Module is essential for projects needing reliable wired internet access. These modules enable your microcontroller to communicate over local networks or the web using standard protocols. They are ideal for sensors, automation, and IoT devices requiring stable connections.
We evaluated ten top rated models based on performance, compatibility, and feature sets. Our analysis includes modules supporting various controllers like Arduino, STM32, and ESP32. We looked at speed, power needs, and ease of integration to help you find the best fit.
Each selection in this guide highlights key strengths and ideal use cases. You will find options ranging from basic shields to advanced SPI modules. Prices vary by vendor and stock levels so check current listings before purchasing your next component.
Top 3 Picks for Best Arduino Lan Ethernet Module
HiLetgo 2pcs W5500 Ethernet LAN Network Module Support TCP/IP51/STM32 Microcontroller Program with 32k Bytes SPI 3.3V/5V Over W5100
4.2Editor score
W5500 chip support
8 independent sockets
Wake on LAN UDP
32k bytes memory
W5500 Ethernet Module TCP/IP Network Module with RJ45 Port, SPI Interface, Compatible with Arduino, ESP32, ESP8266, 5V/3.3V Microcontrollers, IoT Projects, 1 Piece
5.0Editor score
Stable TCP/IP UDP
Full-size RJ45 port
SPI simple integration
Tutorials and sample code
Top 10 Best Arduino Lan Ethernet Module in 2026 Compared
This side-by-side comparison helps you quickly identify the right module for your specific board and project needs. We list key specs and links to each product for fast reference during your selection process.
ProductsSpecificationsEditor scorePrice
Editor's Choice
HiLetgo 2pcs W5500
W5500 TCP IP Support
8 Independent Sockets
32k Bytes Memory
3.3V 5V Dual
4.2Editor score
Editor's Choice
HiLetgo W5500 SPI
W5500 SPI LAN
3.3V External Power
200mA Current Req
TTL SPI Interface
4.3Editor score
Best Premium
ACEIRMC W5500 5pcs
5 Pack Module Set
3.3V Power Supply
200mA Current Stable
23x25mm PCB Size
4.3Editor score
2-Pack W5500 Ethernet LAN
Hardware TCP/IP Stack
8 Simultaneous Sockets
3.3V 5V Dual
80MHz SPI Mode
1.0Editor score
DEVMO W5100 Ethernet Shield
Wiznet W5100 Chip
RJ45 Ethernet Jack
SD Card Slot
Uno Mega Compatible
3.8Editor score
HiLetgo ENC28J60
ENC28J60-I/SO Chip
25MHZ Crystal
HR911105A Transformer
3.3V Power Supply
4.3Editor score
ACEIRMC 5pcs ENC28J60
5 Pack Module Set
ENC28J60-I/SO Chip
IEEE 802.3 Comp
RJ45 Isolation
4.7Editor score
W5500 Ethernet Module RJ45
TCP/IP UDP Network
RJ45 Ethernet Port
SPI Interface
3.3V 5V
5.0Editor score
2PCS LAN8720 Ethernet
LAN8720 PHY
10/100 Ethernet
3.3V Power
HP Auto-MDIX
3.9Editor score
Hailege ENC28J60
DIP28 ENC28J60
25MHZ Crystal
HR911105A Transformer
51 AVR Compatible
4.6Editor score
1. HiLetgo W5500 Ethernet LAN Network Module – Best Overall Arduino Lan Ethernet Module
HiLetgo 2pcs W5500 Ethernet LAN Network Module Support TCP/IP51/STM32 Microcontroller Program with 32k Bytes SPI 3.3V/5V Over W5100
W5500 TCP IP Chip
8 Independent Sockets
32k Bytes Memory
Wake on LAN Support
This module stands out for its robust W5500 hardware TCP IP stack. It provides reliable connectivity for Arduino and STM32 boards with a simple SPI interface. Users appreciate the ability to handle multiple connections without software overhead.
Pros
- Fast Ethernet speeds
- Dual voltage power
- Solid hardware stack
- Multiple socket support
- Stable network link
Cons
- Soldering required for some pins
- Requires SPI bus setup
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The internal memory buffers allow for high speed data transmission. Eight independent sockets mean your device can serve web pages or transfer files simultaneously. The dual voltage support ensures compatibility with 5V logic levels found on classic Arduinos.
While powerful the module may need careful wiring for stable power delivery. The 32k bytes buffer is great but requires proper driver handling. Overall trade-offs are minor given the performance gains over older chips.
If you need a dependable Ethernet connection for a serious project this module is the top pick. It handles real time data well and is suitable for industrial or home automation tasks.
High Performance Networking
The W5500 chip offloads networking tasks from the main CPU making your application more responsive and efficient.
Multi Tasking Capability
With eight sockets you can maintain multiple connections or run background data logging while serving a web interface.
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2. HiLetgo W5500 SPI LAN – Best Arduino Lan Ethernet Module for STM32
HiLetgo W5500 SPI to LAN Ethernet Network Module TCP IP STM32 Interface 3.3V 5V for Arduino WIZ820io RC5
W5500 SPI Interface
3.3V External Power
200mA Current Min
TTL Level Logic
This module is tailored for users working with STM32 or Arduino boards needing a compact solution. The W5500 chip offers fast Ethernet performance with minimal latency. It simplifies networking by handling TCP IP in hardware.
Pros
- Compact design
- Strong STM32 support
- Easy SPI wiring
- Reasonable price
Cons
- Power supply strictness
- Not shield style
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The 3.3V power requirement demands attention to voltage stability. Users should ensure their supply can deliver at least 200mA to avoid resets during high traffic. The SPI interface makes wiring straightforward for those familiar with digital protocols.
Some find the small form factor limits breadboard testing. However it is ideal for final prototypes where space is tight. The trade off between size and power needs is worth the portability.
Choose this if you need a lightweight Ethernet solution for portable projects. It balances cost and performance well for hobbyist or educational applications.
Compact Integration
Its small footprint makes it easy to embed into custom PCBs or tight enclosures without bulky connectors.
Protocol Compatibility
Supporting TCP IP out of the box reduces code complexity and speeds up development cycles significantly.
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3. ACEIRMC W5500 5 Pack – Best Arduino Lan Ethernet Module for Bulk Needs
ACEIRMC W5500 SPI to LAN Ethernet Network Module TCP IP STM32 Interface 3.3V 5V for Arduino WIZ820io RC5 (5pcs)
5 Unit Package
3.3V Power Supply
200mA Stable Current
23x25mm Size
Purchasing five units at once reduces per piece cost significantly. This is ideal for classrooms or businesses needing multiple nodes. The W5500 chip ensures each unit performs reliably across different environments.
Pros
- Cost effective bulk buy
- Consistent quality
- Clear voltage specs
- Stable PCB size
Cons
- Requires careful power check
- No shield mounting holes
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Voltage requirements are clearly stated to prevent hardware damage. Ensuring a continuous stable 3.3V supply keeps your devices running smoothly. The PCB dimensions are standard making integration easier.
The bulk nature means you must manage storage and testing carefully. It is best for projects where consistency across many devices matters. Proper power handling remains the critical success factor.
This pack is perfect for scaling your IoT deployments. It offers a great balance of quantity and quality for distributed systems.
Bulk Savings
Buying in packs lowers the total project cost when deploying multiple devices in a network.
Standardized Form
Uniform sizes help maintain neat layouts in custom enclosures or large scale setups.
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4. 2-Pack W5500 Ethernet LAN – Best Arduino Lan Ethernet Module for Redundancy
2-Pack W5500 Ethernet LAN Module, SPI, 3.3V/5V
Hardware TCP/IP Stack
8 Simultaneous Sockets
Dual Voltage Dual
80MHz SPI Mode
This 2-pack offers advanced features like 80MHz SPI mode for real time control. The hardware stack reduces CPU load and speeds up data transfer. Wake on LAN helps manage power usage remotely.
Pros
- Strong feature set
- High speed SPI
- Wake on LAN
- Auto-negotiation PHY
Cons
- Mixed user feedback
- Potential setup challenges
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Industrial grade PHY auto-negotiation ensures reliable connections across networks. The dual voltage operation allows use with various boards. However some users report initial configuration hurdles.
The high performance specs make it suitable for demanding tasks. Proper documentation and testing are key to success. Users should verify compatibility with their specific library versions.
Consider this for high speed industrial or lab projects. It provides the technical depth needed for complex networking tasks.
Real Time Performance
High clock speed SPI allows faster data exchange crucial for time sensitive applications.
Power Management
Wake on LAN via UDP lets devices stay in low power states until a signal wakes them up.
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5. DEVMO W5100 Ethernet Shield – Best Arduino Lan Ethernet Module for Legacy Boards
DEVMO W5100 Ethernet Network Shield LAN for Ar-duino Expansion Board Module with SD Card Slot Compatible with Ar-duino UNO MEGA2560 UNO R3 ATMega 328 MEGA 1280
Wiznet W5100 Chip
RJ45 Ethernet Jack
Integrated SD Card Slot
Uno Mega R3 Ready
This shield is designed to stack easily on Arduino UNO and MEGA boards. It includes an SD card slot for local data storage making it versatile. The W5100 chip provides stable TCP and UDP connectivity.
Pros
- Stacks directly on UNO
- SD storage included
- Easy plug in use
- Broad board support
Cons
- Older chip tech
- Less efficient than W5500
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Connection to your network is as simple as plugging in a cable. The RJ45 jack is standard for most routers. This simplicity makes it great for beginners needing internet access quickly.
While older the W5100 is well supported by existing libraries. It may not match the speed of newer chips but remains reliable. The trade-off is ease of use versus advanced performance.
Use this if you have an older board or prefer shield style mounting. It remains a solid choice for standard web server or logging tasks.
Easy Setup
Just plug and play without complex wiring makes this ideal for quick prototyping sessions.
Local Storage
The SD card slot allows storing logs or files locally when internet access is intermittent.
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6. HiLetgo ENC28J60 Module – Best Arduino Lan Ethernet Module for Low Cost
HiLetgo ENC28J60 ENC28J60-I/SO HR911105A Ethernet LAN Network Module SPI Interface 3.3V for Arduino AVR PIC LPC STM32
ENC28J60-I/SO Chip
25MHZ Crystal
HR911105A Transformer
3.3V Power Only
The ENC28J60 module is one of the most affordable Ethernet options available. It uses SPI for communication and works with many microcontrollers. This makes it accessible for students or budget projects.
Pros
- Low price tag
- Simple SPI wiring
- Wide MCU support
- Small physical size
Cons
- Limited speed
- Needs 3.3V logic
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The crystal oscillator ensures accurate timing for data transmission. The isolation transformer protects your board from electrical noise. Its compact size fits easily into tight spaces.
Speed is lower compared to W5500 modules so not ideal for large files. Also the 3.3V logic may need shifters for 5V boards. These limits are acceptable for basic status reporting.
Pick this for simple tasks where cost is a primary concern. It gets the job done without breaking your budget.
Economic Value
Its low cost enables widespread deployment of simple connected devices in schools and homes.
Cross Platform
Works with AVR LPC and STM32 so you can use it across different microcontroller platforms.
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7. ACEIRMC ENC28J60 5 Pack – Best Arduino Lan Ethernet Module for Classrooms
ACEIRMC 5pcs ENC28J60 ENC28J60-I/SO HR911105A Ethernet LAN Network Module SPI Interface 3.3V for Arduino AVR PIC LPC STM32
Five Unit Pack
ENC28J60-I/SO Chip
IEEE 802.3 Compatible
Isolation Transformer
This five pack offers a cost effective way to teach networking basics. The ENC28J60 chip is well documented for learning purposes. Each unit includes an isolation transformer for safety.
Pros
- High rating
- Affordable per unit
- Standard Ethernet
- Isolation safety
Cons
- Older chip limits
- Requires careful wiring
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IEEE 802.3 compatibility ensures it works with any standard switch. The high user rating suggests consistent quality across the batch. It is easy to integrate with various Arduino libraries.
Due to older tech it might struggle with heavy traffic. This is manageable for educational demos or small sensors. Users should check power requirements to prevent brownouts.
Ideal for teaching Ethernet concepts without high costs. The pack lets students experiment without risking single unit breakage.
Educational Tool
Great for schools to demonstrate how embedded devices connect to local networks.
Safety Features
Built-in isolation protects your microcontroller from potential power surges on the Ethernet line.
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8. W5500 Ethernet RJ45 Module – Best Premium Arduino Lan Ethernet Module
W5500 Ethernet Module TCP/IP Network Module with RJ45 Port, SPI Interface, Compatible with Arduino, ESP32, ESP8266, 5V/3.3V Microcontrollers, IoT Projects, 1 Piece
TCP/IP UDP Stable
Full RJ45 Port
Simple SPI Integration
Online Tutorials
This module stands out for its exceptional user ratings and robust design. It supports both 3.3V and 5V microcontrollers with ease. The full-size RJ45 port simplifies cabling and ensures reliability.
Pros
- Perfect user rating
- Full-size RJ45
- Clear instructions
- Wide MCU support
Cons
- Higher price point
- Single unit only
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Detailed tutorials online help beginners get started fast. The SPI interface is clean and requires few external components. It works seamlessly with Arduino ESP32 and ESP8266 boards.
It costs more than basic modules but the ease of use justifies the price. You save time on debugging wiring issues and focus on your app logic.
Choose this if you want a hassle free reliable network connection. It is excellent for critical IoT projects where downtime is not an option.
User Friendly
Comprehensive tutorials reduce setup time and help you avoid common wiring mistakes.
Versatile Support
Compatible with a wide range of boards so you can use it with almost any development kit.
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9. LAN8720 Ethernet Board 2 Pack – Best Arduino Lan Ethernet Module for Embedded Servers
2PCS LAN8720 Ethernet Board High Performance 10 100 Ethernet Physical Layer Transceiver (Phy) Module Kit Embedded Web 3.3V Server for Arduino
LAN8720 PHY
10/100 Ethernet
3.3V Power Only
HP Auto-MDIX
This board focuses on PHY level performance for embedded web servers. It supports 10/100Mbps and offers Auto-MDIX for cable flexibility. The low power design suits battery or limited supply projects.
Pros
- High performance PHY
- Auto MDIX support
- Low power design
- Integrated regulator
Cons
- Complex setup
- Fewer resources
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An integrated 1.2V regulator simplifies power distribution for your board. The IO range is wide allowing compatibility with various logic levels. However it may need more coding effort to integrate.
Users should be ready to manage PHY initialization manually. It is a powerful choice for custom network stacks. The trade-off is flexibility versus ease of use.
Consider this for advanced embedded designs needing precise control. It delivers the performance required for demanding server applications.
Performance Focus
High quality PHY ensures stable throughput for embedded server workloads.
Power Flexibility
Low power consumption helps extend battery life in remote or portable setups.
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10. Hailege ENC28J60 Module – Best Arduino Lan Ethernet Module for Value
Hailege ENC28J60 ENC28J60-I/SO HR911105A Ethernet LAN Network Module SPI Interface 3.3V for Arduino AVR PIC LPC STM32
DIP28 Chip
25MHZ Crystal
HR911105A Transformer
MCU Compatible
This module delivers reliable Ethernet connectivity for a low price. It uses the ENC28J60 chip which has broad community support. The 25MHz crystal ensures accurate timing for your packets.
Pros
- High rating
- Affordable price
- Simple interface
- Reliable transformer
Cons
- Limited speed
- 3.3V logic
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The isolation transformer protects your board from electrical surges. It works with a wide range of microcontrollers out of the box. Setup is straightforward for those familiar with SPI.
Speed is not its strong suit compared to modern chips. But for simple data logging or status updates it is sufficient. Users value its stability and ease of sourcing.
Choose this for cost sensitive projects needing basic Ethernet. It offers a strong balance of quality and affordability for hobbyists.
Reliability
Consistent performance over time makes it a trustworthy choice for long term deployments.
Community Support
Widely used chip with many libraries available to help you get started fast.
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Buying Guide – How to Choose the Best Arduino Lan Ethernet Module
Selecting the right module involves considering your board type speed needs and power constraints.
Controller Compatibility
Ensure the module matches the logic level of your board. Some work with 5V while others need 3.3V. Check if drivers exist for your specific MCU.
Choose modules designed for your Arduino or STM32 board to avoid wiring headaches.
Chipset Type
Newer chips like W5500 offer better performance and simpler stacks than older ones. They handle traffic more efficiently and reduce load on your CPU.
Opt for newer chips if you need speed and reliability in critical apps.
Power Requirements
Ethernet modules often require stable current. Ensure your power source can supply enough without causing resets. Some need external regulators.
Verify voltage and current specs before connecting to avoid damaging your hardware.
Form Factor
Decide if you want a shield that plugs directly onto the board or a smaller module. Shields are easier but modules save space.
Pick the size that fits your enclosure and ease of use needs.
Speed and Bandwidth
Projects needing fast data should choose 100Mbps capable modules. Basic sensors may only need 10Mbps. This affects your chip selection.
Match the module speed to your data transfer requirements.
Connector Type
Standard RJ45 ports are easier to cable than modular connectors. Check if your board has enough space for the plug.
Use standard jacks for simple and durable physical connections.
Software Libraries
Popular modules come with well maintained libraries. This saves time on coding and debugging. Less common ones may require manual drivers.
Select modules with strong community support for easier coding.
Physical Size
Small modules fit better in tight enclosures. Larger ones offer better heat dissipation. Consider your device layout.
Measure your space to ensure the module fits comfortably.
How to Use and Care for Your Arduino Lan Ethernet Module
Connect the module via SPI or directly on the board pins. Ensure all voltage levels match to prevent damage. Secure all wires to avoid loose connections.
Install the recommended driver library for your chipset. Configure the IP settings in your code to enable network access. Test connectivity with a simple ping or web request.
Keep the module dry and away from direct sunlight to maintain reliability. Avoid bending the Ethernet port repeatedly as it can break. Store spare modules in a static free container.
Frequently Asked Questions
What is the main difference between W5100 and W5500 modules?
The W5500 offers better performance and handles multiple connections with less CPU load. The W5100 is older and slower but still reliable for simple tasks. Choose W5500 for newer projects.
Do I need an external power supply?
Some modules draw enough power from the board while others need external supply. Check the current requirements to see if your USB or board supply is sufficient. Stable power is key.
Can I use these with ESP32 boards?
Yes most modern modules support ESP32 as it has SPI interfaces and 3.3V logic. Just install the correct Ethernet library for your code. Verify pin mappings in your docs.
Why is my module not connecting?
Check your wiring especially SPI pins and power. Ensure your cable is working and the router assigns an IP. Reset your board and try again to fix glitches.
Are these modules compatible with Arduino UNO R3?
Most shields and modules work with UNO R3 but check pinouts for conflicts. Some modules require voltage shifters if they use 3.3V logic. Always match the board to the specs.
How do I update firmware on these modules?
Many do not need firmware updates as they use hardware stacks. You update the Arduino code on the microcontroller not the module itself. Follow library docs for any config changes.
What is Wake on LAN and is it supported?
Wake on LAN allows remote power up of a device over UDP. Supported modules can listen for magic packets to wake up. It saves power in always on setups.
Can I connect multiple sensors to one module?
Yes you can read data from many sensors and send via Ethernet. The module handles network traffic while sensors read via I2C or analog. Plan your timing for data updates.
Final Thoughts on Choosing the Best Arduino Lan Ethernet Module
The W5500 modules lead in performance and ease of use for most users. Our top picks include the HiLetgo 2pcs and the ACEIRMC packs for bulk needs. These provide solid connectivity for a variety of boards.
Prioritize power stability and driver support when buying your next module. A reliable connection saves hours of debugging in your final product. Match your project needs to the features listed.
Always check the current listings and compatibility notes before purchasing. Prices and stock change frequently so stay updated. Your project success depends on selecting the right hardware.