4.3Editor score
In this guide
Selecting the right Arduino Lan Ethernet Module is crucial for projects needing stable wired internet access. These modules provide reliable connectivity without relying on Wi-Fi signals, making them ideal for industrial or stationary applications.
We evaluated ten top-rated modules based on chip performance, voltage compatibility, and ease of integration. Our analysis covers hardware TCP/IP stacks, SPI interface speeds, and support for multiple socket connections to ensure you find the best fit.
Each pick highlights specific strengths like budget friendliness or premium features such as Wake on LAN support. Note that prices and availability may change frequently, so verify current details before purchasing your next networking component.
Top 3 Picks for Best Arduino Lan Ethernet Module
4.2Editor score
5.0Editor score
Top 10 Best Arduino Lan Ethernet Module in 2026 Compared
The following table provides a side-by-side comparison of all ten selected modules, highlighting their core specifications and compatibility to help you make an informed decision quickly.
1. HiLetgo 2pcs W5500 Ethernet LAN Network Module – Best Overall Arduino Lan Ethernet Module
The HiLetgo 2pcs W5500 module stands out as a top choice for developers needing reliable Ethernet connectivity. With a 4.2 rating, it offers robust TCP/IP support suitable for diverse microcontroller programs including STM32 and classic Arduino boards.
Pros
- High speed SPI interface
- Wake on LAN support
- Compatible with STM32
- Dual voltage operation
- Integrated TCP/IP stack
Cons
- Requires stable power supply
- Compact size limits pins
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Its standout quality lies in the hardware TCP/IP stack which offloads processing from the main CPU. This module supports eight independent sockets simultaneously and includes Wake on LAN capabilities over UDP protocols essential for remote device management.
While performance is strong, users must ensure a stable 3.3V power source exceeding 200mA current. The compact form factor is great for tight spaces but requires careful pin planning during integration.
We recommend this module for professional IoT projects requiring multi-socket capability. If you need fast reliable networking with minimal software overhead this kit provides excellent value for your development needs.
Hardware TCP/IP Offloading
The built-in TCP/IP stack handles network protocols directly allowing your microcontroller to focus on application logic.
High Speed Communication
SPI interface support ensures rapid data transfer rates crucial for real-time Ethernet applications.
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2. HiLetgo W5500 SPI to LAN Ethernet Network Module – Best Budget Arduino Lan Ethernet Module
This module offers an affordable entry point into stable Ethernet networking for Arduino and STM32 projects. Its 4.3 rating reflects user satisfaction with its reliable SPI connection and straightforward implementation in embedded systems.
Pros
- Affordable pricing
- 3.3V external supply
- TTL level control
- Simple interface
- High compatibility
Cons
- Requires external power
- No built-in regulator
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The primary strength is its simple control interface which uses standard TTL levels. This makes wiring easier for beginners while maintaining the performance benefits of the W5500 chip for efficient data transmission.
Note that it requires a dedicated 3.3V external power supply rather than drawing directly from the board. Ensuring adequate current capacity prevents connection drops during high network activity.
Ideal for hobbyists on a budget this module delivers professional grade features without a high cost. It is perfect for testing network protocols before committing to more expensive shield solutions.
Simple Integration
The straightforward wiring requirements allow quick setup for immediate testing and deployment.
Stable Power Requirements
Using an external supply ensures consistent voltage levels for reliable network operations.
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3. ACEIRMC W5500 SPI to LAN Ethernet Network Module – Reliable Bulk Option
Buying in bulk saves money for larger deployments. This five-pack ensures you have spares for classroom settings or production prototyping. The consistent 4.3 rating matches other W5500 modules in performance.
Pros
- Five piece pack
- Compact PCB size
- Stable power support
- TTL SPI interface
- Multiple project ready
Cons
- Higher upfront cost
- Power stability critical
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Key advantages include the compact PCB dimensions which fit well in constrained enclosures. The module maintains standard 3.3V operation ensuring compatibility with most modern logic level microcontrollers used in IoT.
The main trade-off is the need for stable power across multiple units if used simultaneously. You must budget for sufficient power capacity when deploying several boards in parallel configurations.
This kit is ideal for educators or teams building multiple devices. The cost per unit is competitive making it a smart choice for scaling up Ethernet projects.
Bulk Value
Purchasing five units reduces the average cost per module significantly.
Compact Design
Small PCB size facilitates integration into space-limited enclosures.
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4. 2-Pack W5500 Ethernet LAN Module – High Speed Interface
This module highlights high-speed SPI capabilities up to 80MHz for real-time control scenarios. While the rating is low potentially due to shipping damage or stock issues it boasts strong technical specifications.
Pros
- High-speed SPI mode
- Industrial grade PHY
- Wake on LAN
- Auto-negotiation
- Dual voltage support
Cons
- Low customer rating
- Limited availability
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It includes 32KB TX/RX buffers and hardware support for multiple protocols including TCP and UDP. The industrial-grade PHY ensures reliable physical layer connections across various network environments.
The low rating suggests caution when purchasing verifying seller reputation is key. If the unit arrives correctly it should perform similarly to other W5500 variants due to identical chipsets.
Consider this only if you need specific SPI timing features. Otherwise standard W5500 modules might offer better reliability based on broader user feedback.
High Performance SPI
Support for 80MHz SPI allows faster data exchange with the host processor.
Industrial PHY
Embedded PHY ensures stable connections even in electrically noisy environments.
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5. DEVMO W5100 Ethernet Network Shield LAN – Classic Shield Solution
The W5100 Shield offers a full expansion solution with built-in SD card storage. This makes it versatile for logging data alongside network communication without extra hardware.
Pros
- Includes SD card slot
- Direct board connection
- Wide board compatibility
- Standard RJ45 jack
- Stable TCP/IP stack
Cons
- Larger footprint
- Higher cost than modules
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Its design plugs directly onto Uno and Mega boards simplifying wiring. The W5100 chip provides a mature network stack capable of handling both TCP and UDP protocols efficiently.
The trade-off is size and price compared to small modules. Larger boards might also block access to headers on the main Arduino which limits pin usage.
Best for beginners wanting plug-and-play connectivity and storage. It reduces assembly complexity making it suitable for educational settings where reliability matters.
SD Card Integration
Onboard slot enables local data logging alongside network transmission.
Plug-and-Play Design
Direct board connection eliminates the need for external wiring.
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6. HiLetgo ENC28J60 Ethernet LAN Network Module – Low Power Option
ENC28J60 modules are known for low power consumption making them suitable for battery projects. This version includes a stable crystal and isolation transformer for better signal integrity.
Pros
- Low power design
- Simple SPI interface
- Isolated RJ45
- Wide MCU support
- Affordable price
Cons
- Older chip architecture
- Slower than W5500
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It supports 3.3V logic directly and works with many microcontrollers like AVR and STM32. The HR911105A transformer helps protect your board from electrical interference on the network line.
Compared to newer W5500 chips it has lower throughput and no built-in hardware stack. You may need more CPU resources to handle network tasks.
Pick this if power efficiency is priority over speed. It remains a cost-effective solution for basic connectivity tasks.
Power Efficiency
Designed to consume minimal energy extending battery life in portable devices.
Hardware Protection
Isolation transformer safeguards your microcontroller from network voltage spikes.
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7. ACEIRMC 5pcs ENC28J60 Ethernet LAN Network Module – Multi-Pack Efficiency
This kit offers excellent value with five reliable units. The 4.7 rating indicates strong user satisfaction with build quality and performance in typical hobbyist applications.
Pros
- High rating
- Five units included
- IEEE 802.3
- 3.3V operation
- Cost effective
Cons
- Lower speed chip
- Power limits
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It follows IEEE 802.3 standards ensuring broad network compatibility. The modules are ready for Arduino or AVR boards requiring standard SPI communication.
Like other ENC28J60 variants speed is not its main selling point. It excels in stability and simplicity rather than high throughput.
Great for students or makers needing multiple boards for network projects. Buying as a pack is often cheaper than individual units.
Standard Compliance
Adherence to IEEE standards ensures compatibility with most network switches.
User Satisfaction
High rating reflects consistent reliability across multiple user installations.
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8. W5500 Ethernet Module TCP/IP Network Module with RJ45 Port – Best Premium Arduino Lan Ethernet Module
Achieving a perfect 5.0 rating this module is praised for reliability and ease of use. It stands out for supporting a wide range of boards including ESP32 and ESP8266.
Pros
- Perfect 5.0 rating
- Full-size RJ45 port
- ESP32 compatible
- Easy tutorials available
- Reliable connection
Cons
- Single unit only
- Higher price
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The full-size RJ45 port ensures standard cabling fits perfectly without adapters. Extensive online tutorials and sample code help users get started quickly with minimal friction.
The only trade-off is that it is sold as a single piece which may cost more per unit than bulk packs. However the build quality justifies the investment.
We highly recommend this for critical projects needing maximum stability. Its user-friendly design makes it suitable for both beginners and experts alike.
Universal Compatibility
Supports both 5V and 3.3V logic for broader board compatibility.
Community Support
Available tutorials simplify integration reducing development time significantly.
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9. 2PCS LAN8720 Ethernet Board – High Performance PHY
This module provides a high-performance PHY layer for advanced networking. It includes Auto-MDIX which eliminates manual crossover cable requirements for flexible connections.
Pros
- Flexible power management
- Low power design
- Auto-MDIX support
- High performance PHY
- Embedded server ready
Cons
- Requires external MAC
- Complex setup
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It operates on 3.3V single supply and includes an internal regulator for IO flexibility. This makes it ideal for embedded server applications requiring stable power profiles.
Note that it requires an external MAC controller rather than a full network stack on board. This adds complexity but offers more customization for experienced developers.
Consider this if you need specific PHY features like Auto-MDIX. It serves well for custom network designs where flexibility is key.
Auto Cable Detection
Auto-MDIX supports automatically adjusts for straight or crossover cable types.
Power Management
Flexible architecture allows optimization for low power embedded applications.
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10. Hailege ENC28J60 Ethernet LAN Network Module – Reliable Backup
With a 4.6 rating this module is praised for consistent performance and build quality. It serves as a dependable choice for users prioritizing stability over raw speed.
Pros
- High reliability rating
- Stable crystal clock
- Broad MCU support
- Affordable option
- Integrated transformer
Cons
- Older architecture
- Lower speed
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The 25MHz crystal ensures precise timing for reliable data transmission. It works well with various microcontrollers making it versatile for existing AVR or LPC projects.
While the ENC28J60 chip is older it remains robust for basic web server tasks. It avoids the complexity of newer chips requiring external configuration.
Perfect for backup systems or simple network monitoring. Its solid performance and reasonable price make it a trusted option.
Precise Timing
High-quality crystal ensures accurate clocking for SPI communication.
Versatile Compatibility
Works with AVR LPC and STM32 offering wide project applicability.
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Buying Guide – How to Choose the Best Arduino Lan Ethernet Module
Choosing the right Ethernet module depends on your project's speed power and compatibility needs. Understanding chipsets and voltage levels ensures reliable network performance.
Chipset Performance
The chipset dictates speed and features. W5500 chips offer hardware TCP/IP stacks and multiple sockets for faster performance. ENC28J60 chips are simpler but require more CPU resources.
Prioritize W5500 for high traffic or complex applications.
Voltage Compatibility
Modules operate at 3.3V or 5V logic levels. Modern boards like ESP32 use 3.3V while classic Arduinos use 5V. Ensure your module supports your board's voltage to avoid damage.
Check for dual voltage support to simplify integration across different boards.
Interface Type
Most modules use SPI interfaces for fast data transfer. Ensure your microcontroller has available SPI pins for connection. Some advanced modules may offer different interfaces.
Verify pin availability on your board before purchasing.
Power Requirements
Ethernet modules often need stable power around 200mA or more. Weak power supplies cause connection drops. Look for modules with voltage regulation if needed.
Use a dedicated power source for consistent operation.
Physical Size
Compact modules fit in small enclosures while shields offer easier wiring. Consider your project's space constraints. Shields cover board headers which may limit other connections.
Choose modules for tight spaces and shields for prototyping.
Software Support
Availability of libraries simplifies coding. W5500 and ENC28J60 have extensive community support. Verify that libraries are maintained for your specific OS.
Check GitHub for active repositories and tutorials.
Connector Type
Standard RJ45 jacks ensure cable compatibility. Some low-cost modules omit jacks requiring custom wiring. Ensure the connector matches your networking standards.
Opt for standard RJ45 ports for ease of use.
Budget and Quantity
Bulk packs reduce cost per unit for multiple projects. Single units are better for testing. Compare prices against included features like transformers.
Buy bulk for teams and single for experiments.
How to Use and Care for Your Arduino Lan Ethernet Module
Connect the SPI pins (MISO MOSI SCK CS) to your microcontroller according to your board's pinout. Ensure power lines (VCC and GND) are stable and sufficient for current draw.
Install a compatible network library for your specific chip in your IDE. Configure your IP settings using DHCP or static addressing depending on your network environment.
Test the connection with a simple web server script. Monitor for disconnections and ensure cabling is secure. Protect modules from physical stress to maintain reliability.
Frequently Asked Questions
Do Arduino Lan Ethernet Modules require a dedicated power supply?
Most modules require 200mA or more. While boards can provide 5V voltage drops may occur. A dedicated power source is recommended for stability.
Can I use these modules with ESP32?
Yes many modern modules support 3.3V logic needed for ESP32. Check voltage specs before connecting to avoid compatibility issues.
What is the difference between W5500 and ENC28J60?
W5500 has a hardware TCP/IP stack and higher speed. ENC28J60 is older simpler and uses more CPU. Both use SPI interfaces.
Why does my module keep disconnecting?
Disconnections often result from unstable power or loose cables. Ensure your power supply is adequate and RJ45 cables are firmly seated.
Do these modules support Wake on LAN?
W5500 modules often support Wake on LAN via UDP. This allows remote activation of your device over the network for automation.
Can I use an Ethernet module as a web server?
Yes you can host simple web pages on your module. This requires installing server libraries like EthernetWebServer on your board.
Final Thoughts on Choosing the Best Arduino Lan Ethernet Module
Our top picks like the HiLetgo W5500 offer strong performance and reliable networking features. Whether you need bulk value or premium stability there is a module for every need.
Prioritize voltage compatibility and power stability to avoid hardware issues. Selecting the right chipset ensures your project scales efficiently over time.
Prices and availability fluctuate so always check current listings before buying. Verify seller reputation to ensure you receive quality components for your Arduino projects.