LILYGO® TTGO T-Internet-POE ESP32 Ethernet Expansion Board with LAN8720A Chip

Key Features

• Compatible with PoE modes A & B, supporting straight and crossover Ethernet cables through auto MDI/MDIX.
• 20-pin footprint offering 3.3V, V+ power, and 15 ESP32 GPIOs for various applications.
• Compact dimensions of 75mm x 40mm with compatibility for mounting using ordinary M2.5 or 4-40 screws.
• Comes with a small programming/USB serial console sub-module for easy programming customization.

Hardware Specifications

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

Power Supply Specifications

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

Wireless Connectivity

Wi-Fi

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

Bluetooth

• Protocol: Bluetooth v4.2 BR/EDR and BLE compatible
• RF Sensitivity: -97 dBm
• Audio Frequency: CVSD & SBC

Software Specifications

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

Package Includes

• 1 x T-Internet-POE
• 1 x Double Row Pin

Note: Not included Downloader. The USB interface only has a charging function; the product needs a downloader to program.