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Home / Development Boards & Control Boards / LAN8720 Module Network Module Ethernet Transceiver RMII Interface Development Board Xinwei

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Interface Type RMII
Chip Model LAN8720A
Supply Voltage 3.3V DC
Physical Connector RJ45 Jack
LED Indicators Link and Activity
Operating Temperature -40°C to 85°C
Module Size 25 x 15 x 5 mm
Supported Standard IEEE 802.3/u
Pin Header 2.54mm Pitch
Brand Xinwei

5 reviews

A

Anonymous

Mar 12, 2026

Rating: 4/5

Good hardware, sparse docs

The module itself works well and connection is stable. I wish there was more detailed documentation included in the package.

A

Anonymous

Mar 06, 2026

Rating: 4/5

Solid module

Works as expected. Had to adjust some clock settings in my code but the hardware is solid.

A

Anonymous

Feb 25, 2026

Rating: 5/5

Great value for money

Cheaper than other options I found and performs just as well. Shipping was fast too.

A

Anonymous

Feb 10, 2026

Rating: 5/5

Reliable Ethernet Connection

Been using this for an IoT gateway project. No dropouts and handles network traffic well.

A

Anonymous

Feb 02, 2026

Rating: 5/5

Perfect for STM32 Projects

This module integrated seamlessly with my STM32F4 board. The RMII interface is straightforward if you have the right pinout.

5 FAQ

Q: What is the logic voltage level?

A: The module operates at 3.3V logic levels. Please ensure your microcontroller is 3.3V compatible.

Q: Can I use this with Arduino Uno?

A: Arduino Uno lacks the necessary RMII interface hardware. This is better suited for STM32 or ESP32.

Q: Does this module support Power over Ethernet?

A: No, this module is for data transmission only and does not support PoE functionality.

Q: Is the RJ45 connector shielded?

A: Yes, the RJ45 jack includes shielding to help reduce electromagnetic interference.

Q: Is this compatible with ESP32?

A: Yes, it is compatible with ESP32 using the RMII interface, though you may need to configure GPIO pins accordingly.

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