HiLetgo W5500 SPI to LAN Ethernet Network Module
4.3Editor score
3.3V external power supply
TTL level SPI interface
TCP IP STM32 Interface
In this guide
Choosing the right Arduino Lan Ethernet Module is crucial for any project that requires reliable wired connectivity. Whether you are building a smart home device or an industrial sensor network, stability matters. The right module ensures your data gets sent and received without interruption or signal loss during operation.
We evaluated ten top-rated modules based on compatibility, speed, and ease of integration with common boards. Our analysis focuses on how well each product supports TCP/IP stacks and handles power requirements. This list covers the full range from basic SPI interfaces to advanced multi-socket support options.
Each pick highlights specific strengths like voltage tolerance or onboard memory for buffering data packets effectively. Keep in mind that pricing can fluctuate based on demand and availability on retailer platforms. Always verify the latest specifications before finalizing your purchase to ensure project success.
Top 3 Picks for Best Arduino Lan Ethernet Module
HiLetgo 2pcs W5500 Ethernet LAN Network Module
4.2Editor score
Supports 8 independent sockets
Internal 32K TX/RX buffers
Wake on LAN over UDP
ACEIRMC W5500 SPI to LAN Ethernet Network Module (5pcs)
4.3Editor score
23 by 25 mm PCB size
Stable continuous 3.3V supply
High speed SPI integration
Top 10 Best Arduino Lan Ethernet Module in 2026 Compared
This side-by-side comparison helps you quickly identify the key specifications and capabilities of each Ethernet module listed in our guide. We focus on the core hardware features that directly impact your project performance and integration ease.
ProductsSpecificationsEditor scorePrice
Editor's Choice
HiLetgo 2pcs W5500
W5500 Chipset
32k Memory
8 Sockets
SPI 3.3V/5V
4.2Editor score
Editor's Choice
HiLetgo W5500 SPI
W5500 Chipset
TTL SPI Interface
3.3V Power
STM32 Compatible
4.3Editor score
Best Premium
ACEIRMC W5500 (5pcs)
W5500 Chipset
Compact PCB Size
TTL 3.3V
Stable Voltage
4.3Editor score
2-Pack W5500 Ethernet LAN
Integrated TCP/IP Stack
80MHz SPI Mode
Dual Voltage
Industrial Grade
1.0Editor score
DEVMO W5100 Shield
W5100 Chipset
SD Card Slot
RJ45 Jack
Uno Mega Compatible
3.8Editor score
HiLetgo ENC28J60
ENC28J60 Chipset
25MHZ Crystal
3.3V Power
HR911105A
4.3Editor score
ACEIRMC ENC28J60 (5pcs)
ENC28J60 Chipset
IEEE 802.3
25MHZ Crystal
HR911105A
4.7Editor score
W5500 Ethernet Module
W5500 Chipset
Full Size RJ45
SPI Interface
ESP32/8266
5.0Editor score
2PCS LAN8720 Ethernet
LAN8720 Chipset
10/100 Transceiver
Auto-MDIX
Low Power
3.9Editor score
Hailege ENC28J60
ENC28J60 Chipset
HR911105A
25MHZ Crystal
AVR LPC STM32
4.6Editor score
1. HiLetgo 2pcs W5500 – Best Overall Arduino Lan Ethernet Module
HiLetgo 2pcs W5500 Ethernet LAN Network Module
W5500 Core
32k Memory
8 Independent Sockets
TCP/IP Support
This module stands out as a top choice for developers needing reliable wired connectivity. With a 4.2 rating, it balances performance and cost effectively. The W5500 chipset offers significant advantages over older solutions like the W5100.
Pros
- High speed SPI interface
- Multiple socket support
- Wake on LAN feature
- Dual voltage operation
- Cost effective 2 pack
Cons
- Requires careful pin mapping
- Power supply must be stable
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Its internal 32K bytes memory provides ample buffering for TCP and RX operations. This feature is critical for projects handling high data throughput or large packets. The support for eight independent sockets allows multiple connections simultaneously without complex multiplexing.
Users should note the power requirements are specific. A stable 3.3V or 5V supply is necessary to maintain signal integrity. While the SPI interface is fast, ensuring proper pull-up resistors are used can prevent communication errors.
Buyers seeking a robust solution for industrial or hobbyist networks should consider this option. It supports Wake on LAN over UDP, which is useful for remote management. The 2-pack value adds flexibility for testing or deploying multiple units.
High Speed SPI Interface
The SPI interface allows for rapid data transfer rates suitable for real-time control scenarios.
Wake on LAN Support
This feature enables devices to be powered on remotely via specific network packets.
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2. HiLetgo W5500 SPI – Best Budget Arduino Lan Ethernet Module
HiLetgo W5500 SPI to LAN Ethernet Network Module
W5500 Chip
TTL 3.3V
STM32 Interface
Low Cost
For those watching the budget, this module offers excellent value without sacrificing core performance. The 4.3 rating reflects user satisfaction with its stability. It uses the modern W5500 controller which is faster than legacy chips.
Pros
- Affordable price point
- Easy SPI integration
- Compatible with STM32
- Stable 3.3V support
- Compact form factor
Cons
- Single unit packaging
- Documentation could be detailed
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The external power supply mode ensures that the module can draw enough current for consistent operation. This design choice helps prevent voltage drops that might occur with weaker onboard regulators. The TTL level SPI interface simplifies wiring for most microcontrollers.
While it lacks the multi-pack option of some competitors, the single unit is perfect for prototyping. Users should ensure their power source can deliver at least 200mA. This prevents issues during high network activity periods.
This is an ideal entry point for beginners exploring Ethernet capabilities. It fits well with Arduino and STM32 boards. The combination of price and performance makes it a highly recommended choice for cost-sensitive projects.
TTL Level SPI Interface
Using standard TTL levels makes connecting to popular microcontrollers straightforward.
External Power Mode
Dedicated power input ensures the module stays stable under load.
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3. ACEIRMC W5500 SPI – Best Premium Arduino Lan Ethernet Module
ACEIRMC W5500 SPI to LAN Ethernet Network Module (5pcs)
W5500 Chip
23x25mm PCB
5 Unit Pack
Stable Voltage
This 5-pack offers a premium experience for users planning larger deployments or testing multiple scenarios. The 4.3 rating indicates consistent quality across the units. It maintains the advantages of the W5500 architecture.
Pros
- Five piece quantity
- Consistent voltage supply
- Compact PCB dimensions
- TTL SPI control
- Great for scale
Cons
- Higher initial cost
- Requires bulk storage
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The PCB size is optimized for space-constrained designs. Its dimensions are compact yet robust enough to hold necessary isolation components. Ensuring a continuous and stable 3.3V supply is key to performance here.
While the upfront cost is higher than single units, the cost per module drops significantly. This makes it economical for production runs or classroom setups. The SPI interface remains standard for easy integration.
Those needing reliability and quantity will find this package ideal. The emphasis on power stability suggests high build quality. It is suitable for projects requiring multiple connected devices or long-term use.
Compact PCB Size
Small dimensions allow for fitting into tight enclosures or custom boards.
Bulk Quantity Value
Buying five at once lowers the average cost per unit significantly.
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4. 2-Pack W5500 – Hardware TCP IP Stack
2-Pack W5500 Ethernet LAN Module
Integrated TCP/IP Stack
10/100Mbps PHY
32KB Buffers
Auto-negotiation
This module features a fully integrated TCP/IP stack which simplifies software overhead. It manages 8 simultaneous sockets which is great for server applications. The hardware offloads networking tasks from the main microcontroller.
Pros
- Integrated stack protocols
- High speed SPI Mode
- Multi-connection support
- Industrial Grade PHY
- Wake on LAN
Cons
- Low user rating
- Possible compatibility issues
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The industrial-grade PHY supports auto-negotiation for speed and duplex settings. This ensures compatibility with various router ports without manual configuration. SPI Mode 0/3 support offers flexibility in timing requirements.
Despite the feature set, the low rating suggests potential inconsistency in stock. Users might need to verify quality before large purchases. The dual voltage operation covers both 3.3V and 5V logic levels.
For those needing specific hardware features like PPPoE support, this module offers a robust solution. It is best for users comfortable troubleshooting potential hardware variances. The wake on LAN feature adds utility for remote devices.
Integrated TCP/IP Stack
Having the protocol stack on the chip reduces code complexity on the microcontroller.
Industrial Grade PHY
Designed for reliability in environments where standard parts might fail.
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5. DEVMO W5100 – SD Card Slot Included
DEVMO W5100 Ethernet Network Shield
W5100 Chipset
SD Card Slot
Standard RJ45
Stackable Design
This shield uses the reliable W5100 chip which has been a staple for years. The inclusion of an SD card slot is a unique feature for data logging. It connects directly to UNO or MEGA boards via headers.
Pros
- SD storage support
- Fits Uno Mega boards
- Plug and play
- Network stack capable
- Easy RJ45 connection
Cons
- Older W5100 chip
- Slower than newer models
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The network stack supports both TCP and UDP protocols effectively. This allows for web servers or client connections. The RJ45 jack is standard, making cable changes simple and universal.
While not as fast as the W5500, it is sufficient for many basic tasks. Users should note the power consumption might be higher than SPI modules. It is a great choice for simple web interfaces.
Ideal for projects needing local storage alongside internet access. It simplifies wiring by combining shield functions. Beginners will appreciate the straightforward integration process without complex libraries.
SD Card Slot
Built-in SD slot lets you log data locally while connected to the network.
W5100 Chipset
A tried and tested chip known for broad library support and ease of use.
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6. HiLetgo ENC28J60 – Low Power Option
HiLetgo ENC28J60
ENC28J60 Chip
HR911105A
3.3V Supply
25MHZ Crystal
The ENC28J60 is known for its low power consumption which suits battery projects. It includes a HR911105A isolation transformer for safety and signal quality. The 25MHZ crystal ensures stable clocking for SPI transfers.
Pros
- Very low power usage
- Compatible with AVR
- Isolation transformer
- Small size
- 3.3V logic level
Cons
- Slower data rates
- Less memory than W5500
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Operating at 3.3V means it is safe for low voltage logic boards like the ESP32. This makes it a versatile option for mixed voltage systems. It supports standard SPI protocols which are widely documented.
Data rates are lower than newer chips but adequate for simple sensor reads. Users should be aware of the memory limits when handling large data sets. It is best for simple web clients or ping tools.
Choose this for battery powered devices where every milliwatt counts. The isolation transformer protects your microcontroller from network surges. It remains a solid choice for cost constrained basic networking.
Low Power Consumption
Designed to use minimal energy making it perfect for battery projects.
Isolation Transformer
HR911105A component provides safety and protects sensitive circuitry.
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7. ACEIRMC ENC28J60 – 5 Pack Value
ACEIRMC ENC28J60 (5pcs)
ENC28J60 Chip
IEEE 802.3
HR911105A
Bulk 5 Pack
This 5 pack receives high marks for reliability and value. The 4.7 rating suggests strong user confidence in its performance. It maintains the low power benefits of the ENC28J60 chip.
Pros
- Highest rating in range
- Five units included
- ISO 802.3 Compliant
- 3.3V Logic
- Cost efficient
Cons
- Older technology
- Not full duplex only
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Compliance with IEEE 802.3 ensures it meets standard Ethernet protocols. This helps avoid connection issues with modern routers. The HR911105A isolation adds a layer of physical protection.
Buying in bulk is great for educators or workshops. It reduces the per unit cost significantly. The SPI interface is standard but requires careful wiring to match pins correctly.
Ideal for groups needing multiple basic network connections. It works well with AVR and PIC microcontrollers. This is a reliable choice for simple IoT sensors.
IEEE 802.3 Compliance
Adheres to standard protocols ensuring broad compatibility with networks.
Bulk Value
Five modules in one package lower the price for multiple projects.
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8. W5500 Ethernet – Simple Plug Play
W5500 Ethernet Module TCP/IP Network
W5500 Core
Full Size RJ45
ESP32 Support
UDP TCP Protocols
Achieving a perfect 5.0 rating shows high user satisfaction. It features a full size RJ45 port which simplifies physical connections. Compatibility with ESP32 and ESP8266 makes it versatile for WiFi alternatives.
Pros
- Perfect rating score
- Full size RJ45 port
- Wide board support
- Stable connectivity
- Easy tutorials
Cons
- Single unit only
- Basic packaging
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The module provides stable TCP and UDP connectivity. This is essential for real time data streaming. Tutorials are readily available to help beginners get started quickly.
Its simplicity is its biggest strength. It avoids complex setup steps common in industrial gear. The 5V/3.3V tolerance ensures it works with most standard logic boards.
Recommended for those who want a hassle free setup. It is ideal for smart home projects. The full size port ensures you can use standard cables without adapters.
Full Size RJ45 Port
Standard port size means you can use any off the shelf ethernet cable.
ESP32 Compatibility
Works seamlessly with ESP32 which is popular for IoT development.
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9. 2PCS LAN8720 – High Performance PHY
2PCS LAN8720 Ethernet Board
LAN8720 Transceiver
Auto-MDIX Support
Flexible Power
10/100Mbps
This module is a transceiver that pairs with an external MAC. It supports Auto-MDIX which means it handles cable detection automatically. This is a performance upgrade for custom designs.
Pros
- High performance transceiver
- Auto-MDIX flexibility
- Low power design
- Single 3.3V supply
- 2 units included
Cons
- Requires external MCU logic
- Complex integration
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It is designed for embedded web servers requiring stable connections. The flexible power management allows operation from a single 3.3V supply. IO voltage range is wide supporting various signal levels.
Integration is more complex than plug and play shields. You need to ensure your microcontroller handles the MAC layer. This makes it better for advanced users or custom PCBs.
Suitable for custom embedded systems needing high performance. The 2-pack offers flexibility for dual network ports. It is a choice for those designing their own board layout.
Auto-MDIX Support
Automatically detects cable types so you do not need crossover cables.
Low Power Design
Engineered to reduce power draw during data transmission.
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10. Hailege ENC28J60 – Reliable Choice
Hailege ENC28J60
ENC28J60 Chip
HR911105A
25MHZ Crystal
AVR LPC STM32
This module maintains a high rating for reliable operation in various setups. It features the same stable clock crystal as other variants. The HR911105A isolation adds physical safety for the circuit.
Pros
- High reliability rating
- Compatible with LPC
- Isolated RJ45
- Standard SPI
- Stable clock
Cons
- Older chip speed
- Limited buffer size
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It supports AVR and STM32 which covers most hobbyist boards. The SPI interface is standard making it easy to wire. It is a solid budget option for general network tasks.
Users should consider power consumption for battery applications. It is low but not zero. It fits well into standard breadboard layouts for prototyping.
Choose this for simple and robust network links. It is great for testing before moving to custom designs. The price point makes it accessible for beginners.
HR911105A Isolation
Isolates your board from electrical noise or surges from the network.
Wide Compatibility
Supports multiple microcontroller families including AVR and STM32.
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Buying Guide – How to Choose the Best Arduino Lan Ethernet Module
Selecting the right module depends on your specific voltage speed and power needs. Here are the key factors to consider.
Chipset Performance
Modern chips like the W5500 offer faster speeds and more sockets than older ones like the ENC28J60. Look for higher throughput if your project handles large data. This affects how quickly your device responds to requests.
Choose a modern chipset for performance projects.
Power Requirements
Modules often need stable 3.3V or 5V power. If using batteries, consider low power chips. Ensure your power source matches the module to avoid crashes.
Always check the voltage needs before buying.
Interface Type
Most use SPI interfaces which are common on Arduino boards. Ensure your board has enough SPI pins. Wiring should be clean to prevent signal loss over distance.
Verify the interface matches your board type.
Socket Count
Some modules support multiple simultaneous connections. If running a server or multiple clients, ensure the socket count is sufficient. This prevents bottlenecks in high usage scenarios.
Check socket numbers for complex apps.
Voltage Tolerance
Modules that handle 3.3V and 5V logic are more versatile. This allows easier connection to different microcontrollers. Avoid voltage mismatches that could damage the board.
Look for dual voltage options for flexibility.
Package Quantity
Some options come in packs of two or five. This can lower the cost per unit significantly. Consider buying in bulk for larger projects or testing setups.
Bulk packs often offer better value.
Isolation Quality
Good modules include isolation transformers like the HR911105A. This protects your microcontroller from power surges. It ensures long term reliability for network connections.
Ensure isolation is present for safety.
How to Use and Care for Your Arduino Lan Ethernet Module
Connect the module securely to your microcontroller using standard SPI pins. Ensure the ground wires are connected to a common point for stability. Use jumper wires to link the power supply correctly.
Verify the power source is stable and matches the module voltage. A sudden drop might cause connection loss. Keep the module away from heavy electrical interference for consistent performance.
Update your libraries to the latest versions for best support. Test the connection with a simple ping script first. If issues arise check cable connections and reset the board.
Frequently Asked Questions
What is the difference between W5100 and W5500 modules?
The W5500 is newer and faster with more simultaneous sockets than the W5100. It often has better memory buffers for TCP handling. The W5500 also supports SPI speeds that are higher than the W5100 for better throughput.
Can I use these modules with ESP32 boards?
Yes many of these modules support ESP32 and ESP8266 due to their SPI and voltage compatibility. Ensure you match the voltage levels like 3.3V to avoid damage. Always check the specific product listing for confirmed support.
Do I need a separate power supply for these modules?
Some modules need an external power supply to ensure stability especially under load. While USB might power low traffic tasks a dedicated source is safer. Check the power requirements listed in the product specs.
How do I wire an Ethernet module to Arduino?
Wire the MOSI MISO and SCK pins to the SPI headers on your board. Connect the power and ground pins to the 5V and GND rails. Ensure the Chip Select pin is properly defined in your code.
Are these modules suitable for industrial environments?
Industrial grade modules with specific PHY chips are best for harsh conditions. Look for features like auto-negotiation and wide voltage ranges. Standard hobby modules might need protection against noise or heat.
Why does my module fail to connect to the internet?
Common causes include wrong IP settings or unstable power. Verify your code has the correct MAC address and gateway. Check that the RJ45 cable is functioning with a router or switch.
Final Thoughts on Choosing the Best Arduino Lan Ethernet Module
We have reviewed ten modules ranging from budget-friendly to premium options. The W5500 based models lead in performance and socket support. The ENC28J60 options remain viable for low power simple tasks.
Prioritize voltage stability and chipset speed when selecting a module. For most users the HiLetgo options offer a great balance of cost and features. Always check the power needs for your specific microcontroller.
Prices and availability change often on retailer platforms. Verify the latest specs before finalizing your purchase. With the right module your project will have reliable wired connectivity.