4.3Editor score
In this guide
Finding a reliable Arduino Lan Ethernet Module is essential for projects requiring stable wired connectivity. These modules enable your microcontroller to communicate over local networks or the internet seamlessly without relying on wireless signals that might drop.
We evaluated ten top-rated Ethernet modules based on user feedback, technical specifications, and real-world performance. Each option offers unique advantages in terms of speed, ease of use, and compatibility with various microcontrollers like Arduino and STM32.
Every pick highlights key strengths and potential trade-offs to help you make an informed decision. Prices and availability may vary, so check current listings before purchasing to ensure you get the best value for your specific project needs.
Top 3 Picks for Best Arduino Lan Ethernet Module
4.7Editor score
4.2Editor score
Top 10 Best Arduino Lan Ethernet Module in 2026 Compared
This side-by-side comparison highlights the distinct features and capabilities of each selected Ethernet module to help you choose the right hardware for your specific microcontroller and networking requirements.
1. HiLetgo 2pcs W5500 Ethernet LAN Network Module – Best Premium Connectivity
This module is a top choice for advanced users needing robust networking capabilities. It offers eight independent sockets and a large memory buffer for efficient data handling.
Pros
- Multiple socket support
- High memory buffer
- Wake on LAN feature
- Wide microcontroller compatibility
- Reliable TCP IP stack
Cons
- Higher price point
- Power requirements vary
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The inclusion of Wake on LAN functionality makes it ideal for low-power applications where devices need to wake up only when necessary. Users appreciate the direct TCP IP stack integration.
While it performs exceptionally well, the price is higher compared to basic modules. This cost is justified for projects requiring high throughput or complex network states.
Buy this if you need advanced features like multiple sockets or Wake on LAN. It is perfect for industrial or professional IoT deployments.
High Capacity Socket Management
Eight sockets allow simultaneous connections for multiple clients or services on a single board.
Power Efficient Wake Features
Wake on LAN via UDP helps reduce power consumption by activating the module only when data arrives.
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2. HiLetgo W5500 SPI to LAN Ethernet Network Module – Best Budget Option
This module offers excellent value for hobbyists needing reliable Ethernet without breaking the bank. It uses a standard SPI interface for easy connection to common boards.
Pros
- Affordable price
- Easy SPI interface
- Works with Arduino
- Small form factor
- Stable power supply
Cons
- Requires specific current
- No advanced features
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Users find it straightforward to set up with libraries available for popular microcontrollers. The small size fits well in compact enclosures or crowded breadboards.
It lacks some advanced features found in pricier models but covers most standard networking needs effectively. The power requirements are clear and easy to meet.
Choose this for general purpose projects where cost is a priority. It is perfect for home automation or simple data logging tasks.
Cost Effective Networking
Provides reliable Ethernet connectivity at a price point accessible to students and hobbyists.
Simple SPI Integration
The TTL level SPI interface ensures fast data transfer with minimal wiring complexity.
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3. ACEIRMC W5500 SPI to LAN Ethernet Network Module – Editor's Choice
This pack of five modules is perfect for teams or prototyping phases where you need spares. The consistent quality across units ensures reliable testing.
Pros
- Bulk pack included
- Compact PCB size
- Clear specs
- Arduino compatible
- Easy to source
Cons
- Requires 200mA
- Stable voltage needed
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The compact size is a huge plus for space-constrained designs. Users appreciate the clear documentation regarding power and interface requirements.
While you must ensure a stable power source, the reliability makes it a top choice for consistent performance. It balances price and capability well.
Ideal for developers building multiple units or needing replacements. It is highly recommended for educational kits or production prototypes.
Bulk Value for Prototyping
Getting five units allows for easy testing, swapping, and deployment across multiple devices.
Compact PCB Design
The small 23 by 25 mm footprint leaves room for other components on your main board.
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4. 2-Pack W5500 Ethernet LAN Module – Dual Pack Value
This module is marketed as an industrial-grade option with a strong PHY and dual voltage support. It offers high-speed SPI for real-time control scenarios.
Pros
- Industrial grade PHY
- Full duplex support
- High speed SPI
- Wake on LAN
Cons
- Lower rating
- Packaged as 2-pack
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Users note the robust hardware TCP IP stack which simplifies software integration. The inclusion of Wake on LAN via UDP is a valuable addition for smart devices.
While it has a lower rating, the technical specifications are strong. It may benefit from better quality control or documentation improvements.
Consider this if you need industrial reliability and speed. It suits applications where consistent performance is critical.
Industrial-Grade Hardware
Embedded PHY ensures stable connection even in noisy environments with auto-negotiation.
High-Speed Interface
SPI Mode 0/3 support at 80MHz allows rapid data transmission for time-sensitive tasks.
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5. DEVMO W5100 Ethernet Network Shield LAN – Shield with SD Card
This shield integrates networking and storage with an SD card slot built directly into the board. It is designed for easy stacking on top of standard Arduino UNO boards.
Pros
- SD card slot
- Shield form factor
- W5100 chip
- Easy plug-in
Cons
- Older chip
- Larger footprint
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The W5100 chip provides a solid network stack that is well supported by libraries. Users appreciate the convenience of having storage without extra breakout boards.
It is slightly bulkier than modern modules and uses an older chip. However, for projects needing both storage and ethernet, it simplifies wiring.
Choose this for standalone projects needing data logging. It is great for simple web servers where you need to store files locally.
Integrated Storage
The built-in SD card slot allows saving logs or web pages directly on the shield.
Stackable Design
As a full shield, it stacks directly on UNO boards without needing extra wires or headers.
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6. HiLetgo ENC28J60 Ethernet LAN Network Module – Classic Controller
This module uses the classic ENC28J60 chip which has been popular for years due to its simple SPI interface. It is widely compatible with various microcontrollers beyond just Arduino.
Pros
- Classic chip support
- Wide compatibility
- Affordable
- Isolation included
Cons
- Lower speed than W5500
- No TCP stack
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Users find it easy to implement for simple web server or client applications. The isolation transformer ensures stable signals on the line.
It is not as fast as newer W5500 modules and requires software handling of the TCP stack. This adds complexity compared to hardware stack chips.
Pick this if you want to learn low-level networking or need a cost-effective option. It is suitable for lightweight data transmission.
Wide Microcontroller Support
Compatible with AVR, PIC, LPC, and STM32, making it versatile for different embedded systems.
Built-in Isolation
HR911105A isolation transformer protects the board from voltage spikes on the Ethernet cable.
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7. ACEIRMC 5pcs ENC28J60 Ethernet LAN Network Module – Bulk Pack
This high-rated pack offers five units for those deploying multiple nodes. The compliance with IEEE 802.3 standards ensures reliable performance across different networks.
Pros
- High rating
- Five units
- IEEE compliant
- Isolation transformer
Cons
- Older tech
- Manual TCP stack
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Users love the price per unit when buying in bulk. It is a great option for classrooms or large-scale prototype testing.
It shares the limitations of the ENC28J60 chip regarding speed but excels in reliability. The isolation ensures safe operation on wired LANs.
Choose this for multi-device setups requiring Ethernet. It is perfect for building sensor networks or distributed controllers.
Highly Rated Bulk Pack
With a 4.7 rating, this pack is trusted by users for consistency and durability in various conditions.
Standards Compliant
IEEE 802.3 compatibility ensures seamless interoperability with standard Ethernet switches and routers.
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8. W5500 Ethernet Module TCP/IP Network Module – Versatile Support
This module has a perfect rating and broad compatibility including popular ESP32 and ESP8266 boards. It simplifies IoT development by handling network protocols in hardware.
Pros
- Perfect rating
- ESP32 support
- Easy integration
- Full TCP IP stack
Cons
- Single unit
- Limited to one
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Users find tutorials and sample codes readily available to get started quickly. The standard RJ45 port makes physical connection straightforward.
It is an excellent choice for beginners and professionals alike needing quick setup. The single unit packaging keeps it simple.
Choose this if you are working with ESP boards. It is ideal for smart home projects and internet-connected sensors.
Perfect Rating
With a 5.0 rating, users report reliable performance and excellent community support for integration.
Broad Microcontroller Support
Compatible with Arduino, ESP32, and ESP8266, making it a versatile choice for various platforms.
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9. 2PCS LAN8720 Ethernet Board High Performance – PHY Module
This board is a specialized PHY module designed for embedded servers and low power applications. It supports HP Auto-MDIX to simplify cabling by auto-configuring connections.
Pros
- PHY module
- Auto-MDIX support
- Low power design
- Dual pack
Cons
- Requires custom implementation
- Lower user rating
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Users note its low power consumption which is vital for battery-powered devices with wired interfaces. The integrated regulator helps simplify power rails.
It requires more custom implementation than standard Ethernet shields. This makes it better suited for advanced engineers looking to optimize performance.
Select this if you need a dedicated PHY for optimized projects. It suits industrial sensors requiring power efficiency.
Auto-MDIX Support
Flexible power management and Auto-MDIX allow for easy connection without crossover cables.
Power Efficient Design
Ultra low power consumption makes it suitable for devices running on limited battery capacity.
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10. Hailege ENC28J60 Ethernet LAN Network Module – Reliable Option
This module is a reliable choice for those needing a stable ENC28J60 solution. The 4.6 rating indicates good quality control and user satisfaction.
Pros
- High rating
- Classic chip
- Isolation included
- Wide range
Cons
- Manual TCP stack
- Older chip
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Users appreciate the isolation and standard crystal oscillator for reliable timing. It works well with legacy projects that require simple SPI Ethernet.
While not the fastest option, it delivers consistent results for standard networking tasks. It is easy to integrate into existing designs.
Choose this for reliable standard Ethernet needs. It is suitable for hobbyists who need a straightforward implementation.
Reliable Classic Solution
With a 4.6 rating, this module is trusted for consistent performance in simple network setups.
Legacy System Compatibility
Compatible with 51, AVR, and STM32, making it ideal for older or custom microcontroller projects.
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Buying Guide – How to Choose the Best Arduino Lan Ethernet Module
Selecting the right Ethernet module involves balancing performance, compatibility, and cost. This guide breaks down the key factors to consider before making your purchase.
Protocol Support
Hardware TCP/IP stacks like W5500 simplify software development by offloading networking tasks. Modules without this require more code but offer flexibility. Consider if you need complex protocols or simple data transfer.
Prioritize hardware stacks if you want to save coding time and ensure stability across different network conditions.
Interface Type
Most modern modules use SPI for easy integration with microcontrollers. Ensure the module matches your board's voltage levels, typically 3.3V or 5V. SPI is fast and requires fewer pins than other interfaces.
Check your board's voltage tolerance to avoid damage when connecting 3.3V SPI devices to 5V boards.
Socket Capacity
Modules like W5500 support multiple simultaneous sockets which is crucial for servers handling multiple clients. Basic modules might support only one connection at a time. Assess if your project needs to handle concurrent requests.
Choose multi-socket modules if you plan to run HTTP servers or client connections simultaneously.
Power Requirements
Some Ethernet PHYs require a stable 200mA supply to function correctly. Insufficient power can lead to connection drops. Ensure your power source can meet the current draw especially when using multiple modules.
Use a dedicated 5V regulator if your main board cannot provide enough current for the Ethernet module.
Physical Size
Space is often limited in enclosure-based projects. Check PCB dimensions and connector types to ensure fit. Shield formats are taller than modules. Ensure the module will fit in your project case.
Measure your available board space before purchasing to avoid physical integration issues later.
Wake on LAN
Wake on LAN features allow devices to power up or activate remotely over the network. This is useful for energy-efficient systems. Look for UDP-based Wake on LAN support if you need remote activation.
Select modules with Wake on LAN for battery-powered or energy-conscious IoT deployments.
Price vs Performance
Basic ENC28J60 modules are cheaper but require more software work. Advanced W5500 modules cost more but offer better performance. Determine if the performance gain justifies the extra cost for your application.
Balance your budget against the complexity of your software stack to find the right value.
Documentation and Community
Popular modules often have more online tutorials and community support. This can save time when troubleshooting. Check forums or GitHub for existing libraries and examples.
Prefer modules with active communities to ensure you can find help when issues arise.
How to Use and Care for Your Arduino Lan Ethernet Module
Connect the module using SPI pins ensuring the voltage matches your microcontroller. If using a 5V board with a 3.3V module use a level shifter. Secure the RJ45 connector firmly to prevent disconnection during operation.
Install the appropriate Ethernet library in your IDE compatible with the module. Test connectivity using a ping or simple web server example. Verify your IP configuration using DHCP or static settings as needed.
Avoid exposing the module to dust or moisture. Use an enclosure if deploying in harsh environments. Regularly check cables for wear. Ensure proper ventilation to prevent overheating during long-term operation.
Frequently Asked Questions
Is Arduino Lan Ethernet Module better than WiFi for my project?
Ethernet provides a stable and faster connection compared to WiFi making it ideal for continuous data transfer. If your project is stationary and requires reliability wired Ethernet is often the better choice.
Do I need a level shifter for a 3.3V module?
Yes if you are connecting a 3.3V module to a 5V microcontroller. Most SPI pins are not 5V tolerant so a level shifter protects your board from damage during communication.
What is the difference between W5500 and ENC28J60?
The W5500 has a hardware TCP IP stack which simplifies code and supports multiple sockets. The ENC28J60 requires software TCP handling but is more budget-friendly for simple applications.
Can I use this module with ESP32?
Yes many modules support ESP32 through SPI. Ensure the voltage levels match and you have the correct library installed to initialize the Ethernet connection effectively.
Why is my Ethernet module not connecting?
Check your power supply first as insufficient current causes issues. Verify your IP settings and ensure the cable is properly plugged in. Restarting the board can also resolve temporary connection glitches.
How do I set a static IP address?
You can set a static IP in your code by assigning an IP object to the Ethernet client. This ensures your device has a consistent address on the local network for easy access.
Are these modules compatible with older Arduino boards?
Most are compatible with standard boards like UNO and Mega. However older boards may need external power or different wiring to support the SPI interface and power requirements.
What is the maximum speed of these modules?
Most modules support 10/100 Mbps speeds suitable for typical home or industrial networks. Ensure your router supports these speeds to achieve the maximum performance available on the hardware.
Final Thoughts on Choosing the Best Arduino Lan Ethernet Module
We highlighted ten top options ranging from budget-friendly packs to premium high-performance modules. Each pick was chosen for specific strengths like cost reliability or advanced features.
Prioritize hardware TCP stacks if you want simpler code and better performance. For tight budgets ENC28J60 options provide a solid entry point into wired networking.
Always check the latest pricing and stock availability before buying. Specifications and availability change so verify details to match your project needs.