10 Best Arduino Lan Ethernet Module in 2026

Choosing the right Arduino Lan Ethernet Module is crucial for any project requiring stable network connectivity. These modules allow your microcontroller to communicate over the internet or local networks using standard protocols like TCP and UDP. A good module ensures reliable data transmission and supports various microcontroller platforms including Arduino and STM32.

We evaluated ten popular Ethernet modules based on their chipsets, interface types, and compatibility with common development boards. Our comparison focuses on hardware features such as SPI speed, power requirements, and physical port design. Each product was assessed for its suitability in different IoT and embedded system applications.

Every pick in this list highlights specific strengths and potential limitations to guide your decision. You will find detailed reviews covering technical specifications and real-world usability. Please note that availability and pricing can vary over time so check current listings before purchasing.

Top 3 Picks for Best Arduino Lan Ethernet Module

Top 10 Best Arduino Lan Ethernet Module in 2026 Compared

This side-by-side comparison lists all ten selected Ethernet modules with their key specifications and direct links. Use this table to quickly identify the right hardware for your specific microcontroller and network requirements.

1. HiLetgo 2pcs W5500 Ethernet LAN Network Module – Best Overall Arduino Lan Ethernet Module

4.2Editor scoreCheck price on Amazon

HiLetgo 2pcs W5500 Ethernet LAN Network Module

W5500 TCP/IP Stack

SPI Interface 32k Buffer

3.3V/5V Operation

8 Independent Sockets

This module offers a reliable solution for connecting Arduino boards to networks using the W5500 chip. It holds a solid rating and supports both TCP and UDP protocols efficiently. The hardware stack simplifies code writing compared to software implementations.

Pros

• Dual unit value pack
• High speed SPI interface
• Supports many sockets
• Works with STM32
• Hardware TCP stack

Cons

• Requires stable power
• No built-in regulator

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Its standout feature is the ability to manage eight independent sockets simultaneously which is rare for this price tier. The SPI interface allows fast data transfer suitable for real time applications. Additionally the 32k bytes memory helps buffer data effectively.

Users should ensure their power supply meets the current needs as the module may draw significant power during operation. The lack of onboard regulation means you must provide clean 3.3V or 5V inputs correctly to avoid instability.

Developers building IoT projects needing multiple connections will find this kit particularly useful. It is a strong choice for hobbyists and professionals who need stable network access without complex setups.

High Speed Connectivity

The SPI interface supports high speeds allowing rapid communication between the microcontroller and the Ethernet module.

Multi Socket Capability

Handling eight sockets simultaneously enables complex tasks like running servers and clients on the same board.

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2. HiLetgo W5500 SPI to LAN Ethernet Network Module – Reliable Single Unit Arduino Lan Ethernet Module

4.3Editor scoreCheck price on Amazon

HiLetgo W5500 SPI to LAN Ethernet Network Module

W5500 SPI Interface

TTL Level 3.3V

Power >200mA Required

TCP IP STM32 Compatible

This single unit module provides a straightforward path to Ethernet connectivity for Arduino and STM32 boards. It features the W5500 chip which ensures robust network performance. The rating reflects consistent performance in various setups.

Pros

• Solid build quality
• Compatible with STM32
• Simple SPI control
• Good voltage tolerance
• Affordable pricing

Cons

• Needs external power source
• Level shifting may be needed

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The TTL level control interface simplifies integration with standard 3.3V systems. It supports a wide voltage range which makes it versatile for different power environments. The physical design is compact fitting easily on breadboards.

Ensure your power source delivers over 200mA as the module requires a stable current to function correctly. Voltage instability can lead to connection drops or erratic behavior during data transmission.

It is an excellent choice for those needing a single reliable Ethernet link for sensors or controllers. The compatibility with STM32 makes it a flexible option for non Arduino projects.

Versatile Voltage Support

Supporting both 3.3V and 5V inputs allows this module to fit many different project power requirements.

Simple Integration

The SPI interface requires minimal wiring making it easy to connect to most microcontrollers quickly.

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3. ACEIRMC W5500 SPI to LAN Ethernet Network Module – Best Value 5 Pack Arduino Lan Ethernet Module

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ACEIRMC W5500 SPI to LAN Ethernet Network Module

5 Pack Included

PCB Size 23x25mm

TTL Level Control

Stable 3.3V Supply

This five pack offers excellent value for developers building multiple devices or prototyping extensively. Each module features the W5500 chip ensuring reliable network connectivity. The high rating indicates consistent quality across the batch.

Pros

• Five units in one
• Compact PCB size
• Standard SPI interface
• Good for prototyping
• Reliable performance

Cons

• Requires stable power
• Smaller components

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The compact size of the PCB saves space on your breadboard or custom PCB. It supports standard SPI protocols which simplifies coding and wiring. The TTL level control ensures compatibility with many microcontrollers.

As with other W5500 modules you must ensure a stable 3.3V supply to prevent issues. Voltage drops can disrupt the module operation so use a quality power source for best results.

It is ideal for educators or makers who need several units for classroom or workshop use. The bulk pack reduces the need for individual purchases and shipping.

Space Saving Design

The small PCB footprint allows fitting multiple modules on limited workspaces without crowding.

Bulk Utility

Purchasing five at once saves money and ensures you have replacements if one fails.

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4. 2-Pack W5500 Ethernet LAN Module – Dual Unit Industrial Grade Arduino Lan Ethernet Module

1.0Editor scoreCheck price on Amazon

2-Pack W5500 Ethernet LAN Module

Hardware TCP/IP Stack

32KB TX/RX Buffers

Wake-on-LAN via UDP

10/100Mbps PHY

This two pack module uses the W5500 chip to provide hardware TCP/IP processing which offloads work from the CPU. It includes substantial buffers for data transmission and reception. However the low rating suggests potential quality control issues.

Pros

• Hardware TCP stack
• Large buffers
• Wake-on-LAN support
• Dual voltage compatible
• Two units included

Cons

• Very low rating
• Potential quality issues

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The module supports Wake-on-LAN via UDP which is useful for powering up devices remotely. The dual voltage operation makes it flexible for different microcontroller logic levels. The PHY supports 10/100Mbps speeds for decent throughput.

Given the low rating proceed with caution and check return policies before committing to bulk projects. It may work well in some setups but inconsistency is a concern based on user feedback.

It suits those looking for specific features like Wake-on-LAN who can verify the units upon arrival. Consider other options if reliability is the top priority for your application.

Wake-on-LAN Feature

This feature allows remote devices to wake up the module using a specific network packet.

Hardware TCP/IP

Processing network protocols in hardware improves performance and reduces software complexity.

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5. DEVMO W5100 Ethernet Network Shield LAN – Shield Form Factor Arduino Lan Ethernet Module

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DEVMO W5100 Ethernet Network Shield LAN

Wiznet W5100 Chip

RJ45 Ethernet Jack

SD Card Slot Included

UNO MEGA Compatible

This shield is designed to stack directly onto Arduino UNO or MEGA boards providing an easy Ethernet solution. It includes an SD card slot which is a nice bonus for logging data locally. The rating reflects average performance for this older chip.

Pros

• Shield design
• SD card slot
• Plug and play
• Supports MEGA boards
• Standard RJ45 jack

Cons

• Older W5100 chip
• Larger footprint

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The W5100 chip supports both TCP and UDP and is well documented in Arduino libraries. This makes it easy to find code examples and support online. The RJ45 jack is standard and fits common cables.

The shield format blocks access to digital pins on the main board which might limit expansion. Also the W5100 is older than the W5500 so it might lack some advanced features.

It is a good option for users who prefer a stackable shield over a breakout module. The SD slot adds utility for data logging without needing extra hardware.

SD Card Integration

The built-in SD slot allows storing logs or web pages locally without extra modules.

Shield Compatibility

Designed specifically for UNO and MEGA boards it ensures a perfect fit for these popular models.

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6. HiLetgo ENC28J60 Ethernet LAN Network Module – Affordable Ethernet Arduino Lan Ethernet Module

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HiLetgo ENC28J60 Ethernet LAN Network Module

ENC28J60-I/SO Chip

25MHZ Crystal

HR911105A Isolation

3.3V Power

This module uses the ENC28J60 chip which is one of the most cost-effective Ethernet solutions available. It is highly rated for its reliability in simple IoT projects. The low price makes it accessible for beginners.

Pros

• Very affordable
• Small size
• Wide MCU support
• Good isolation
• SPI interface

Cons

• Lower bandwidth
• Fragile pins

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It supports a wide range of microcontrollers including AVR and LPC which increases its versatility. The physical module includes an isolation transformer to protect your board from Ethernet surges. The SPI interface is standard for easy connection.

The bandwidth is lower than W5500 modules which may limit heavy data transfer applications. Also the pins can be delicate so handle with care during soldering or prototyping.

It is an excellent budget choice for low bandwidth tasks like sending sensor data. If you need high throughput consider upgrading to a W5500 variant.

Cost Efficiency

This module provides functional Ethernet connectivity at a price point that suits large deployments.

Isolation Transformer

The HR911105A isolation protects your microcontroller from electrical interference on the network line.

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7. ACEIRMC 5pcs ENC28J60 Ethernet LAN Network Module – Bulk Budget Arduino Lan Ethernet Module

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ACEIRMC 5pcs ENC28J60 Ethernet LAN Network Module

5 Pack Bundle

IEEE 802.3 Compatible

HR911105A Isolation

TTL Level SPI

This five pack delivers a high quantity of budget-friendly Ethernet modules for extensive projects. It holds a top rating reflecting consistent quality across the set. It is perfect for those needing many nodes.

Pros

• Five units included
• High rating
• Standard compliance
• Isolation included
• Cheap per unit

Cons

• Lower bandwidth
• Small components

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The IEEE 802.3 compatibility ensures it works with standard network infrastructure reliably. Each unit includes the isolation transformer which is often omitted in cheaper alternatives. The SPI interface keeps wiring simple.

Since it uses the ENC28J60 chip do not expect high data transfer speeds. It is best suited for periodic updates rather than streaming. The low price per unit offsets this limitation for many use cases.

Schools and clubs will find this pack useful for teaching network basics to students. It offers a low-risk way to experiment with Ethernet in a classroom setting.

Standard Compliance

Following IEEE 802.3 standards guarantees compatibility with most routers and switches easily.

High Value

Buying five at once drastically lowers the cost per module compared to single purchases.

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8. W5500 Ethernet Module TCP/IP Network Module – User Friendly Arduino Lan Ethernet Module

5.0Editor scoreCheck price on Amazon

W5500 Ethernet Module TCP/IP Network Module

Full RJ45 Port

SPI Mode 0/3

Stable TCP/IP

5V/3.3V Support

This module stands out with a perfect rating indicating exceptional user satisfaction. It features a full-size RJ45 port which simplifies cabling for many users. The W5500 chip ensures stable network connections.

Pros

• Perfect rating
• Full size RJ45
• Tutorials available
• Wide compatibility
• Easy to use

Cons

• Higher cost
• Single unit

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It is compatible with Arduino ESP32 and ESP8266 which covers most popular development boards today. Online tutorials and sample codes are available to help beginners get started quickly. The dual voltage support adds flexibility.

The only trade-off is the cost which is higher than budget options. However the ease of use and reliability often justify this for important projects where stability is key.

This is an ideal pick for beginners who want a hassle-free experience. The support resources make it a low-stress choice for first-time network projects.

Beginner Friendly

Online tutorials and example code reduce the learning curve for new developers significantly.

Wide Platform Support

Compatibility with ESP32 and ESP8266 expands its use beyond just Arduino boards.

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9. 2PCS LAN8720 Ethernet Board – Advanced PHY Arduino Lan Ethernet Module

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2PCS LAN8720 Ethernet Board

LAN8720 PHY

10/100 Ethernet

Low Power Design

HP Auto-MDIX

This board uses the LAN8720 PHY which offers high performance 10/100 Ethernet capabilities. It is designed for embedded web server applications and supports flexible power modes. The rating is moderate due to setup complexity.

Pros

• LAN8720 chip
• Auto-MDIX support
• Low power
• Flexible power
• Two units

Cons

• Requires RMII/MII
• Complex setup

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The HP Auto-MDIX feature automatically configures the cable type which simplifies physical connections. It operates at low power making it suitable for battery-based or energy-conscious projects. The voltage range is flexible.

It requires an RMII or MII interface which some basic microcontrollers might not support without extra circuitry. This complexity might deter casual users compared to simple SPI modules.

It is best suited for advanced developers who need specific PHY features and have the interface ready. If you need a standard SPI module consider other options in this list.

Auto-MDIX Feature

This feature allows the module to detect and adjust to the cable type automatically.

Low Power Efficiency

The design focuses on low power consumption which benefits battery-powered IoT devices.

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10. Hailege ENC28J60 Ethernet LAN Network Module – Budget Option Arduino Lan Ethernet Module

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Hailege ENC28J60 Ethernet LAN Network Module

DIP28 Chip

25MHZ Crystal

HR911105A Isolation

AVR LPC Compatible

This module is a reliable budget option with a high rating from users. It features a stable 25MHz crystal which helps maintain consistent timing for data. The isolation transformer ensures safety for your board.

Pros

• High rating
• Stable crystal
• Isolation transformer
• Affordable
• Wide compatibility

Cons

• Limited bandwidth
• Older tech

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It supports AVR LPC and other common microcontrollers making it versatile for different hardware setups. The SPI interface is easy to integrate with existing libraries. The price point is very competitive.

Since it uses the ENC28J60 chip it may not support high throughput tasks well. It is optimized for sending small packets of data rather than large files or streams.

It is an excellent alternative to other ENC28J60 modules offering great value for money. Use it when budget is tight but you still need solid connectivity.

Stable Clock

The 25MHz crystal ensures precise timing for data transmission and reception on the bus.

Cost Effective

This module provides a low-cost entry point for adding Ethernet to your project.

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Buying Guide – How to Choose the Best Arduino Lan Ethernet Module

Selecting the right Ethernet module depends on your specific project needs and hardware constraints. Consider these factors to ensure stable connectivity.

Chipset Type

The chipset determines performance and ease of use. W5500 offers hardware TCP/IP and high speed SPI which is excellent for complex projects. ENC28J60 is cheaper but software heavy. LAN8720 is a PHY for advanced interfaces.

Choose W5500 for performance or ENC28J60 for budget.

Interface Protocol

Most modules use SPI which is simple to connect. Ensure your microcontroller supports SPI at the required speed. Some modules use RMII or MII which are faster but harder to implement.

Stick to SPI for ease of use unless high speed is critical.

Power Requirements

Modules often require stable 3.3V or 5V power. Check the current draw to ensure your regulator can handle it. Unstable power leads to disconnections.

Use a dedicated stable regulator for best results.

Socket Support

Some chips support multiple sockets simultaneously which allows running servers and clients at once. Others support only one connection at a time. Plan your application architecture accordingly.

Check socket count if you need concurrent connections.

Physical Size

Module dimensions affect fitting on breadboards or custom PCBs. Smaller modules save space but may be harder to solder. Consider the form factor for your enclosure.

Select a size that matches your project constraints.

Microcontroller Compatibility

Ensure the module supports your board's voltage logic. Some modules have 3.3V logic only and may need level shifters. Check the documentation for specific MCU requirements.

Verify voltage levels before purchasing to avoid extra parts.

Documentation Support

Good tutorials and example code make development smoother. Look for modules from brands with active user communities. This reduces debugging time significantly.

Prioritize modules with available online resources.

Network Speed

Most Ethernet modules support 10/100Mbps speeds. Ensure the bandwidth meets your data transfer needs. Higher throughput modules usually cost more.

Assess your data requirements to pick the right speed.

How to Use and Care for Your Arduino Lan Ethernet Module

Connect the SPI pins to your microcontroller ensuring voltage levels match. Use a stable power source to prevent interruptions.

Upload library code such as Ethernet or W5500 libraries to handle network protocols. Verify IP settings and connectivity with a simple ping test.

Handle the module carefully to avoid bending pins. Store in a dry place away from static electricity.

Frequently Asked Questions

Final Thoughts on Choosing the Best Arduino Lan Ethernet Module

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