---
title: "LILYGO T-ETH-Lite - An ESP32-S3 board with Ethernet, optional PoE support"
url: "https://maker.wiznet.io/taylor/projects/lilygo-t-eth-lite-an-esp32-s3-board-with-ethernet%2C-optional-poe-support/"
markdown_url: "https://maker.wiznet.io/taylor/projects/lilygo-t-eth-lite-an-esp32-s3-board-with-ethernet%2C-optional-poe-support/md"
type: "UCC: User Created Content"
author: "Jean-Luc Aufranc"
author_url: "https://www.cnx-software.com/2023/09/27/lilygo-t-eth-lite-esp32-s3-board-ethernet-poe/"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "Jean-Luc Aufranc"
original_url: "https://www.cnx-software.com/2023/09/27/lilygo-t-eth-lite-esp32-s3-board-ethernet-poe/"
published: "2023-10-04"
language: "en"
hardware: ["WIZnet W5500"]
likes: 0
views: 386
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# LILYGO T-ETH-Lite - An ESP32-S3 board with Ethernet, optional PoE support

> A new ESP32-S3 WiFi and Bluetooth development board with a low-profile Ethernet RJ45 connector using a WIZnet W5500 Ethernet controller, supporting PoE

Original author: Jean-Luc Aufranc (source: https://www.cnx-software.com/2023/09/27/lilygo-t-eth-lite-esp32-s3-board-ethernet-poe/)

## Components

- **WIZnet W5500** x 1 ([docs](https://docs.wiznet.io/Product/Chip/Ethernet/W5500))

WIZnet parts: W5500 ([Datasheet](https://docs.wiznet.io/Product/Chip/Ethernet/W5500/datasheet?utm_source=maker&utm_medium=project&utm_campaign=w5500), [product hub](https://maker.wiznet.io/products/w5500/))

## Documents and links

- [LilyGO-T-ETH-Series](https://github.com/Xinyuan-LilyGO/LilyGO-T-ETH-Series) (code)

## Article

Original : <https://www.cnx-software.com/2023/09/27/lilygo-t-eth-lite-esp32-s3-board-ethernet-poe/>

Author : Jean-Luc Aufranc(CNXSoft)

Published On : 20230927

This content was created with the assistance of ChatGPT, an artificial intelligence language model developed by OpenAI.

The LILYGO T-ETH-Lite ESP32-S3 board is equipped with a WIZnet W5500 Ethernet controller, which is known for its efficient TCP/IP Offload Engine (TOE) technology.

This technology offloads the processing of TCP/IP protocols from the host microcontroller, enabling smoother network communications.

![](https://maker.wiznet.io/upload/ckeditor5/694015776%5F1696516945%2Epng)

The board's specifications include an ESP32-S3 dual-core microprocessor, 8MB PSRAM, 16MB SPI flash, WiFi 4, and Bluetooth 5 connectivity.

LILYGO T-ETH-Lite ESP32-S3 specifications:

- Wireless module ESP32-S3-WROOM-1
  - MCU – [ESP32-S3 dual-core LX7 microprocessor](https://www.cnx-software.com/2021/01/02/esp32-s3-dual-core-wifi-and-bluetooth-le-5-soc-supports-ai-acceleration-for-aiot-applications/) @ up to 240 MHz with Vector extension for machine learning
  - Memory – 8MB PSRAM
  - Storage – 16MB SPI flash
  - Connectivity – WiFi 4 and Bluetooth 5 with LE/Mesh
  - PCB antenna

- Storage – MicroSD card slot

- Connectivity
  - 802.11 b/g/n WiFi 4 up to 150 Mbps and Bluetooth 5 via ESP32-S3 SoC
  - 10/100M Ethernet via SPI Ethernet board based on WIZnet W5500, optional PoE

- I/Os – 2x 15-pin headers with up to 23x GPIOs, 2x UART, 14x ADC, touch interface, Reset, 5V, 3.3V, GND

- Misc
  - Boot & Reset button
  - Power, Link, and Act LEDs

- Power Supply
  - 5V via “5V-IN” pin
  - 36 to 57V via optional PoE shield

- Dimensions – 59 x 28 x 11 mm

Additionally, it has a MicroSD card slot, 10/100M Ethernet via the W5500 controller, and numerous GPIOs for extended functionality, making it a robust platform for various network-related projects​​.

The WIZnet W5500 Ethernet controller is heralded for its TCP/IP Offload Engine (TOE) technology which significantly alleviates the host microcontroller from the burdensome tasks of processing TCP/IP protocols.

This results in enhanced network communication efficiency and frees up the microcontroller's resources for other critical tasks. Moreover, the W5500 provides a simpler and more streamlined solution for internet connectivity, lowering the complexity and driving quicker development cycles.

By incorporating this controller, boards like the LILYGO T-ETH-Lite ESP32-S3 become more adept and reliable in handling network communications, making them suitable for a myriad of IoT and ethernet-based projects.

Thank you for reading.

---

Source: https://maker.wiznet.io/taylor/projects/lilygo-t-eth-lite-an-esp32-s3-board-with-ethernet%2C-optional-poe-support/