LilyGo T-Internet POE Ethernet Board with ESP32 and LAN8720A
The LilyGo T-Internet POE is an ESP32-based Ethernet development board with integrated Power-over-Ethernet (PoE) functionality. It is specifically designed for IoT, smart home, and industrial applications that require a reliable wired network connection with simultaneous power supply via PoE. At the heart of the board is an ESP32-WROOM module with 4 MB flash that supports not only Wi-Fi 2.4 GHz but also Bluetooth 4.2 BLE. Wired network connectivity is provided by the LAN8720A Ethernet PHY chip, while the Si3404 PoE PD chip converts the 48 V Ethernet voltage to 5 V system voltage - ideal for stable and low-maintenance installations. The board features a USB-C port, a microSD card slot, as well as reset and boot buttons. With the optional CH340C downloader, the board can be programmed directly via USB. This combination makes the T-Internet POE a robust and flexible platform for edge devices, gateways, data loggers, or smart home controls with LAN connectivity.
Recommended Accessories:
Features:
- ESP32-WROOM with integrated Wi-Fi and Bluetooth 4.2
- LAN8720A Ethernet PHY for wired communication
- Si3404 PoE PD Chip for Power-over-Ethernet
- microSD card slot for data storage
- USB-C port and optional CH340C programming interface
- Reset and boot buttons onboard
- Compatible with Arduino IDE, ESP-IDF, and PlatformIO
- Ideal for gateways, network nodes, and automation projects
Application Examples:
- PoE-powered IoT gateways or controllers
- Sensor and actuator controllers with Ethernet connection
- Smart home or industrial systems with LAN communication
- Long-term data loggers or remote monitoring systems
- Mini web server with SD card logging
Documentation:
Technical Specifications:
- Manufacturer: LILYGO
- Manufacturer SKU: H438
- Microcontroller: ESP32-WROOM
- Flash Memory: 4 MB
- Ethernet Chip: LAN8720A
- PoE Chip: Si3404 (PoE PD)
- Wireless: Wi-Fi 802.11 b/g/n, Bluetooth 4.2 BLE
- Memory Card: microSD Slot (TF Card)
- Interfaces: USB-C, GPIO, UART, I2C, SPI
- Programming Interface: CH340C (optional)
- Power Supply: 5 V (USB-C) or 48 V (PoE)
- Dimensions: 51 × 70 × 19 mm
- Weight: 30 g
Contents:
- 1 × LilyGo T-Internet POE Ethernet Board with ESP32 and LAN8720A
LilyGo T-Internet POE Ethernet Board with ESP32 and LAN8720A
- Brand: Lilygo
- Product Code: 424868
- Availability: In Stock
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CHF22,90
- Ex Tax: CHF21,18
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Tags: LILYGO, TTGO, T-Internet, POE, ESP32, LAN8720A, Ethernet, Wi-Fi, Si3404, CH340C, IoT, Gateway, USB-C, microSD, Arduino, ESP-IDF