4.3Editor score
In this guide
Choosing the right Arduino Lan Ethernet Module is essential for any project requiring stable internet access. These modules enable your microcontroller to communicate over local networks and the wider web without relying on wireless signals.
We evaluated ten leading modules based on performance, compatibility, and reliability. Each product offers distinct features like SPI interfaces, integrated TCP/IP stacks, and varying voltage support to suit different development environments.
Each selection highlights key strengths and ideal use cases for builders. Please note that availability and pricing may fluctuate over time, so verify current details before making your final purchase decision.
Top 3 Picks for Best Arduino Lan Ethernet Module
4.7Editor score
3.8Editor score
Top 10 Best Arduino Lan Ethernet Module in 2026 Compared
The following table provides a side by side overview of each module selected for this guide. It highlights core specifications and compatibility details to help you compare options quickly.
1. HiLetgo 2pcs W5500 Ethernet LAN Network Module – Top Network Connectivity
This module offers robust TCP/IP support for networked Arduino projects. It features a W5500 chip that handles data transmission efficiently. The inclusion of two units makes it a practical choice for multiple setups.
Pros
- Supports 8 sockets
- Wake on LAN UDP
- High speed SPI interface
- 32k memory buffer
- Works with STM32
Cons
- Requires stable power
- Limited documentation
We may earn a commission when you buy through this link, at no additional cost to you.
The 32k bytes internal memory ensures smooth data buffering during high traffic. It supports eight independent sockets simultaneously, allowing complex multitasking. Wake on LAN over UDP adds flexibility for remote management scenarios.
Some users may find the documentation sparse for new developers. Power supply stability is critical for reliable operation. Ensuring adequate current avoids potential connection drops during peak usage times.
Buyers needing reliable wired connectivity for STM32 or Arduino will find this valuable. It balances cost and performance well. We recommend verifying power requirements before integrating into your specific board design.
Efficient Data Buffering
The large internal memory buffer helps prevent data loss during network spikes.
Remote Management Capabilities
Wake on LAN support enables devices to wake from sleep states remotely.
We may earn a commission when you buy through this link, at no additional cost to you.
2. HiLetgo W5500 SPI to LAN Ethernet Network Module – Solid Value
This module provides a straightforward SPI connection for Ethernet networking. It is designed to work seamlessly with STM32 and Arduino platforms. The TTL level interface simplifies integration with standard logic boards.
Pros
- Stable power supply
- TTL level control
- SPI interface support
- Compatible with STM32
- Compact PCB design
Cons
- Requires external power
- Specific current needs
We may earn a commission when you buy through this link, at no additional cost to you.
Power supply requires an external source delivering at least 200mA. Voltage stability is crucial to avoid intermittent connection issues. The compact size fits well in space constrained project enclosures.
Users should ensure their power source meets the current demands consistently. Without sufficient power the module may reset unexpectedly. Planning the power budget carefully is essential for reliability.
Ideal for developers needing a reliable SPI Ethernet link. It balances ease of use with performance. We suggest testing power stability before finalizing the enclosure design.
Simplified Integration
TTL level control allows easy connection to standard logic boards without level shifters.
Compact Footprint
Small size makes it suitable for projects with tight space constraints.
We may earn a commission when you buy through this link, at no additional cost to you.
3. ACEIRMC W5500 SPI to LAN Ethernet Network Module – Bulk Bundle
This five pack bundle offers excellent value for multiple project builds. Each unit features a W5500 chip for reliable network communication. The PCB dimensions are compact, fitting easily into standard layouts.
Pros
- Five pack bundle
- Stable power supply
- TTL interface
- Compact PCB size
- SPI interface support
Cons
- Requires external power
- Voltage stability needed
We may earn a commission when you buy through this link, at no additional cost to you.
External power supply must deliver continuous and stable voltage. A stable current of over 200mA is necessary for consistent performance. This ensures the module maintains connection without drops or resets.
Builders should account for power requirements across all five units. Planning for sufficient power capacity is critical for successful deployment. This setup supports scaling multiple IoT devices efficiently.
Perfect for educators or makers deploying several units at once. The bundle reduces per unit costs significantly. Verify power capacity before bulk deployment to ensure all units run smoothly.
Cost Effective Scaling
Buying in bulk reduces the cost per unit for large scale deployments.
Compact Design
Small PCB size allows for dense mounting on larger boards.
We may earn a commission when you buy through this link, at no additional cost to you.
4. 2-Pack W5500 Ethernet LAN Module – Flexible Interface
This module integrates a full TCP/IP stack for seamless network communication. It supports 80MHz SPI modes for fast data throughput. Dual voltage operation allows flexibility with various microcontroller boards.
Pros
- Integrated TCP/UDP stack
- 8 simultaneous sockets
- Wake-on-LAN via UDP
- Dual voltage support
- Industrial grade PHY
Cons
- Low reliability rating
- Power stability needed
We may earn a commission when you buy through this link, at no additional cost to you.
Industrial grade PHY ensures robust physical layer performance. However, user ratings suggest potential reliability concerns. Careful power management is necessary to mitigate operational risks.
Users report issues with stability if power fluctuates. Ensuring a clean power source is critical for consistent performance. This may limit use in critical or high reliability scenarios.
Consider this for non-critical applications where cost is a primary factor. The feature set is strong. Always validate stability in your specific environment before mass deployment.
Fast Data Throughput
High speed SPI modes enable rapid data exchange for time sensitive applications.
Voltage Flexibility
Support for both 3.3V and 5V allows wider compatibility with boards.
We may earn a commission when you buy through this link, at no additional cost to you.
5. DEVMO W5100 Ethernet Network Shield – Full Shield
This full shield offers a plug and play Ethernet solution for Arduino UNO. It includes an SD card slot for local storage capabilities. The standard RJ45 jack ensures easy cable connection.
Pros
- SD card support
- Full shield form factor
- Standard RJ45 jack
- Compatible with MEGA
- Plug and play
Cons
- Older chip technology
- Larger footprint
We may earn a commission when you buy through this link, at no additional cost to you.
Using the W5100 chip provides reliable TCP/IP stack support. It is well suited for MEGA2560 boards. The shield design simplifies wiring by stacking directly onto the board.
The W5100 is an older chip which may have slower throughput. The physical size can block access to other ports on the board. Plan your assembly layout accordingly to avoid pin conflicts.
Ideal for beginners needing a simple shield solution. The SD slot adds versatility for logging data. Verify pin compatibility with your specific board model before purchase.
Local Storage Integration
The SD slot allows local data logging without needing external peripherals.
Stackable Design
Direct stacking reduces wiring complexity and improves connection stability.
We may earn a commission when you buy through this link, at no additional cost to you.
6. HiLetgo ENC28J60 Ethernet LAN Network Module – Budget Friendly
This module uses the popular ENC28J60 chip for SPI Ethernet access. It is compatible with a wide range of microcontrollers including AVR and STM32. The integrated transformer simplifies circuit design.
Pros
- Wide MCU compatibility
- Integrated transformer
- Stable crystal oscillator
- SPI interface
- Low cost
Cons
- Older chipset
- No hardware TCP stack
We may earn a commission when you buy through this link, at no additional cost to you.
The 25MHz crystal ensures stable timing for data transmission. It supports 3.3V power requirements which are standard for many modern boards. This makes integration straightforward for hobbyist projects.
The ENC28J60 lacks a hardware TCP stack, requiring more host processing. This can limit performance compared to W5500 options. Users must implement protocol handling in software.
Best for low bandwidth applications like sensor reading. It remains a cost effective choice for basic connectivity. Ensure your code handles protocol tasks efficiently to maintain performance.
Broad Compatibility
Supports many microcontrollers making it versatile for different projects.
Integrated Components
Integrated transformer reduces the need for external components on the PCB.
We may earn a commission when you buy through this link, at no additional cost to you.
7. ACEIRMC 5pcs ENC28J60 Ethernet LAN Network Module – Value Pack
This five pack offers excellent value with a high user rating. Each unit features the ENC28J60 chip compliant with IEEE 802.3 standards. The included RJ45 connector simplifies physical connections.
Pros
- High user rating
- IEEE 802.3
- Integrated transformer
- Low cost per unit
- Multiple pack option
Cons
- Software TCP stack
- Older chipset
We may earn a commission when you buy through this link, at no additional cost to you.
The integrated transformer and stable crystal support reliable operation. It is designed for 3.3V environments which are common in modern setups. This ensures broad compatibility across various boards.
Performance is limited by the software TCP stack implementation. This requires careful coding to manage network traffic. However, for simple tasks like telemetry it is sufficient.
Ideal for batch projects needing multiple units affordably. The high satisfaction rate indicates good build quality. Ensure your software handles the protocol overhead efficiently.
Cost Efficiency
Buying multiple units reduces cost per module significantly for groups.
Standard Compliance
IEEE 802.3 compliance ensures compatibility with standard Ethernet networks.
We may earn a commission when you buy through this link, at no additional cost to you.
8. W5500 Ethernet Module TCP/IP Network Module – Versatile
This module delivers stable TCP/IP connectivity for diverse microcontrollers. It is explicitly compatible with popular boards like ESP32. The full size RJ45 port simplifies cabling for reliable connections.
Pros
- High user rating
- Full size RJ45
- Easy integration
- Wide board support
- Standard protocols
Cons
- Single unit pack
- No SD slot
We may earn a commission when you buy through this link, at no additional cost to you.
Users report high satisfaction due to ease of use and stability. The SPI interface ensures fast data transfer with minimal latency. It supports standard protocols required for most IoT apps.
The single unit pack is less cost effective for bulk needs. It lacks a local storage slot which limits data logging options. However, it excels at providing a solid network link.
Perfect for individual IoT projects requiring reliable internet access. The high rating confirms consistent performance. Verify voltage levels match your specific board requirements before assembly.
Universal Connectivity
Broad compatibility allows use across Arduino and ESP platforms seamlessly.
Stable Communication
High user ratings reflect consistent and reliable data transmission.
We may earn a commission when you buy through this link, at no additional cost to you.
9. 2PCS LAN8720 Ethernet Board – Advanced PHY
This module uses a LAN8720 PHY for reliable physical layer performance. It supports Auto MDIX to simplify cable connections without specific pinouts. The design is optimized for low power consumption.
Pros
- High performance PHY
- Auto MDIX support
- Low power design
- Flexible power architecture
- Dual pack option
Cons
- Requires external PHY setup
- Specific power needs
We may earn a commission when you buy through this link, at no additional cost to you.
Flexible power management allows operation from a single 3.3V supply. This makes it suitable for battery powered or portable devices. The regulator simplifies voltage management on the board.
Requires more complex software stack support compared to TCP modules. Users need to manage the protocol layers themselves. This adds development effort but offers greater control.
Best for projects needing custom network protocol handling. The high performance PHY ensures fast speeds. Ensure your code handles the necessary protocol logic before implementation.
Power Efficiency
Low power design makes it ideal for portable or battery projects.
Easy Cabling
Auto MDIX automatically adjusts cable polarity for simpler connections.
We may earn a commission when you buy through this link, at no additional cost to you.
10. Hailege ENC28J60 Ethernet LAN Network Module – Alternative Chip
This module provides a solid alternative using the ENC28J60 chip. It is compatible with 51, AVR, and LPC microcontrollers. The DIP28 chip ensures durability and stability during operation.
Pros
- High user rating
- DIP28 chip
- Integrated transformer
- SPI interface
- Compatible with LPC
Cons
- Older chip tech
- Software TCP
We may earn a commission when you buy through this link, at no additional cost to you.
Users report high satisfaction with build quality and performance. The integrated transformer and crystal support stable data transmission. This simplifies design requirements for hobbyists and engineers.
The main limitation is the need for software TCP stack support. This requires more processing power on the host controller. For lightweight tasks this is generally acceptable.
Suitable for diverse board architectures needing reliable Ethernet. The high rating confirms user trust. Verify pin compatibility with your specific development board before connecting.
Durable Chip Design
DIP28 package offers robust physical connection for the main processor.
Broad MCU Support
Supports a wide range of microcontrollers for flexible project choices.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best Arduino Lan Ethernet Module
Selecting the right module involves assessing voltage, compatibility, and protocol needs. This guide outlines key factors to consider for a reliable network connection.
Chip Architecture
Modules like W5500 provide hardware TCP/IP stacks which offload processing from your microcontroller. In contrast, ENC28J60 relies on software stacks requiring more CPU power. Choose based on your project's processing capacity and performance requirements.
Prioritize hardware stacks for high throughput applications and software stacks for cost savings if CPU resources are available.
Voltage Compatibility
Most modules support 3.3V and 5V logic levels. Ensure your board logic matches the module voltage to avoid damage. Some boards require level shifters if voltages differ significantly. Verify power supply stability as fluctuations can disrupt connections.
Check your board voltage specifications and ensure the module supports compatible levels before purchase.
Interface Type
SPI interfaces offer fast data transfer and are common in these modules. Ensure your board supports SPI pins and interrupts for smooth operation. Some modules might use USB or other interfaces but SPI is standard. Check pin availability on your board for connection.
Match the interface type to your board's available pins to simplify wiring and ensure speed.
Physical Size
Physical dimensions impact how the module fits in your enclosure. Some full shields cover the entire board which can block ports. Module boards offer flexibility but need more wiring. Plan your layout to avoid crowding other components.
Select a size that fits your enclosure while leaving space for ports and other components.
Socket Capacity
Some chips support multiple simultaneous sockets for complex multitasking. For simple client connections this may not matter. If you need a server with multiple concurrent clients look for multi socket support. This determines how many devices can connect at once.
Evaluate your project's connection needs to decide if multiple sockets are necessary.
Power Requirements
Modules vary in current draw. Some need stable external power sources to function correctly. Others may draw from the board rail but risk instability. Check current specs and ensure your power supply can handle the load.
Ensure your power source provides sufficient current to maintain stable module operation.
Software Support
Community libraries and documentation are crucial for quick setup. Popular chips have extensive libraries reducing development time. Less common chips may require more debugging or manual implementation. Check if libraries exist for your chosen platform.
Prioritize modules with active community support to ease development and troubleshooting.
Cost and Value
Prices vary depending on chip quality and packaging. Buying multiple units often reduces cost per module for bulk projects. Weigh the cost against performance benefits to find the best balance. Consider long term needs for durability and compatibility.
Balance initial cost against long term performance needs for the best overall value.
How to Use and Care for Your Arduino Lan Ethernet Module
First, install the appropriate network libraries for your chosen chip to simplify coding. Ensure connections between pins like MOSI MISO and SCK are secure. Use correct voltage levels to prevent damage to either the board or module.
Next configure your IP settings using DHCP or static assignment as needed for your network. Test basic connectivity by loading simple examples like Ping or HTTP clients. Monitor connection status to ensure the module is actively communicating.
Finally protect the module from physical stress and moisture during use. Secure the board inside a non conductive enclosure to prevent shorts. Regularly check cable connections for wear and replace if damaged to maintain signal integrity.
Frequently Asked Questions
What is the difference between W5500 and ENC28J60?
W5500 features a hardware TCP/IP stack which reduces processing load on your microcontroller. ENC28J60 relies on a software stack meaning your board handles protocol tasks directly. W5500 generally offers better performance for complex or heavy data projects.
Do I need an external power supply?
Some modules require a dedicated 3.3V supply with at least 200mA current for stability. Others can draw power from your board if it has sufficient capacity. Check the specific module requirements before connecting to avoid drops.
Can I use these modules with ESP32 boards?
Yes many modules listed like the W5500 work with ESP32 boards via SPI. Ensure voltage levels match to prevent logic errors. Check library compatibility to ensure seamless integration with your IDE.
How do I troubleshoot connection drops?
Start by checking power supply stability and cable connections for secure fit. Verify your network settings are correct such as IP and subnet. Ensure the code handles connection retries to manage temporary network issues.
Are shields better than breakout modules?
Shields simplify wiring by stacking directly on the board but can block other ports. Breakout modules offer more flexibility in layout but require more cables. Choose based on your enclosure needs and wiring complexity.
Can I use these for web server projects?
Yes these modules enable creating HTTP web servers on microcontrollers. Ensure your board has enough RAM and processing power to handle client requests. Use libraries like WebServer to manage requests efficiently.
Final Thoughts on Choosing the Best Arduino Lan Ethernet Module
We reviewed ten modules offering diverse options for network connectivity. The W5500 and ENC28J60 based boards cater to different performance and budget needs.
Prioritize the chip stack type and voltage compatibility for your specific board. Ensure power supply stability to maintain reliable network connections across your projects.
Please verify current availability and specs before purchase as details may change. These modules provide strong foundations for connecting Arduino hardware to the internet.