Addon Ethernet

Ethernet LAN8720 Add-On - 10/100 Mbps LAN Expansion Module with RMII Interface & PoE Passthrough

The SMLIGHT Ethernet LAN8720 Add-On is a compact RMII-based Ethernet expansion module designed to add reliable 10/100 Mbps networking to embedded systems, IoT controllers, and SMLIGHT devices such as SLWF-09 and custom DIY projects. Based on the proven Microchip LAN8720A PHY, it integrates an Ethernet transformer, RJ45 connector, crystal oscillator, LED indicators, and a dedicated PoE passthrough interface for powering host boards in combination with the SMLIGHT PoE Add-On.

This module is ideal for engineers, integrators, and developers building gateways, smart controllers, or automation systems requiring robust wired network connectivity.

Product Highlights

• Microchip LAN8720A Ethernet PHY (IEEE 802.3 / 802.3u compliant)
• RMII interface for seamless integration with ESP32, STM32, and similar MCUs
• Integrated Ethernet transformer for signal integrity and isolation
• RJ45 connector onboard for plug-and-play Ethernet
• LINK/ACT LEDs for fast diagnostics
• PoE passthrough interface for delivering PoE rails to a compatible host board
• Compact board design suitable for embedded and OEM applications
• 2.54 mm through-hole connector pitch

Packaging

• Antistatic protective bag

Packing content

• Ethernet Add-On Module - 1 pcs