ESP32 Ethernet Adapter & Downloader - LILYGO® TTGO T-Internet-POE LAN8720A Expansion Board

T-Internet-POE Details

The T-Internet-POE is compatible with PoE mode A (powered by data pair) and PoE mode B (powered by backup pair). It supports auto MDIX, allowing the use of both straight and crossover Ethernet cables. This module is designed with 4 mounting holes compatible with regular M2.5 or 4-40 screws. When purchasing multiple modules, only one Download Board is needed, which connects easily using pins without soldering.

Upgrade to T-POE-Pro

Introducing the upgraded T-POE-Pro, a comprehensive solution for IoT enthusiasts and professionals. Powered by the ESP32-WROVER-E CPU with 240MHz processing speed, it offers significant computing power. The 16MB Flash and 8MB PSRAM ensure ample resources for complex IoT projects. Equipped with a LAN8720 Ethernet port, it guarantees reliable and rapid internet connectivity. The board's POE feature ensures a stable power supply, making it an ideal choice for IoT applications.

Key Features

Hardware Specifications

• Chipset: ESPRESSIF-ESP32-WROOM, LAN8720A Ethernet chip, SI3404 Power management chip
• Flash Memory: 4MB
• SRAM: 520 kB
• Buttons: BOT, Reset
• External Devices: TF Card Slot, Type-C Interface, PA2369NL 1825-S Transformer, HR861153C Ethernet-POE interface
• USB to TTL: CP2104
• Modular Interfaces: SD card, UART, SPI, I2C, PWM, I2S, ADC
• On-board Clock: 32.768MHz crystal oscillator
• Operating Temperature: -40°C ~ +85°C
• Weight: 26.85g
• Size: 70 x 52.3 x 17mm

Power Supply Specifications

• Input: Type-C USB 5V, HR861153C Ethernet-POE 50V
• Operating Voltage: 2.7V-3.6V
• Max Output Current: About 1.2A
• Charging Current: 500mA
• USB Type: Type-C USB

Wi-Fi Specifications

• Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC (ESP32 chip)
• Protocol: 802.11 b/g/n (speed up to 150Mbps)
• Frequency Range: 2.4GHz ~ 2.5GHz
• Transmit Power: 22dBm
• Communication Distance: 300m

Bluetooth Specifications

• Protocol: Bluetooth v4.2 BR/EDR and BLE standard
• Radio Frequency: With -97dBm sensitivity NZIF receiver, Class-1, Class-2 & Class-3 emitter
• Audio Frequency: CVSD & SBC

Software Specification

• Wi-Fi Mode: Station/SoftAP/SoftAP+Station/P2P
• Security Mechanism: WPA/WPA2/WPA2-Enterprise/WPS
• Encryption Type: AES/RSA/ECC/SHA
• Firmware Upgrade: UART download/OTA
• Software Development: Support for cloud server development/SDK for user firmware development
• Networking Protocol: IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT
• User Configuration: AT + Instruction set, cloud server, Android/iOS app
• Operating System: FreeRTOS

Package Includes

• 1 x T-Internet-POE
• 1 x Double Row Pin
• 1 x Downloader Expansion Board (optional)

Note: The USB interface only provides a charging function, and a downloader is needed for programming.