TTGO
TTGO T-Internet-POE ESP3 Module Downloader Extension Board
TTGO T-Internet-POE ESP3 Module Downloader Extension Board
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1. Chipset: ESPRESSIF-ESP32-WROOM, LAN8720A Ethernet chip, SI 3404 power management chip
2. Flash: 4MB
3. PSRAM: 8MB
4. SRAM: 520 kB SRAM
5. Button: robot, rest
6. External device: TF card slot, C-type interface, PA2369NL 1825-S transformer, HR861153C Ethernet-POE interface
7. USB to TTL: CP 2104
8. Modular interface: SD card, UART, SPI, I2C, PWM, I2S, ADC
9. Satellite clock: 32.768 MHz crystal oscillator
10. Operating temperature range: -40 degrees Celsius to +85 degrees Celsius
11. Size: 70x52.3x17mm
12. Weight: 26.85g
Power Specifications
1. Power input: -C type USB 5V
2. HR861153C Ethernet-POE interface: 50V
3. Working voltage: 2.7V-3.6V
4. Output current: about 1.2A
5. Charging current: 500 mA
6. USB: Type C USB
Wi-Fi
1. Standard: FCC/CE-Red/IC/TELEC/KCC/SRRC/NCC (ESP 32 chip)
2. Protocol: 802.11 b/g/n (802.11n, acceleration 150 Mbps) A-MPDU and A-MSDU aggregation, support 0.4??S guard interval
3. Frequency range: 2.4GHz~2.5GHz (2400 m~2483.5M)
4. Transmit power: 22 dBm
5. Communication distance: 300 meters
Bluetooth
1. Protocol: Complies with Bluetooth V4.2BR/EDR and BLE standards
2. Radio frequency: -97 dBm sensitivity nzif receiver class-1 class-2 class-3 emitter AFH
3. Audio: CVSD&SBC audio
Software Specification
1. Wi-Fi mode: workstation/SoftAP/SoftAP+Station/P2P
2. Security mechanism: WPA/WPA 2/WPA 2-Enterprise/WPS
3. Encryption type: AES/RSA/ECC/SHA
4. Firmware upgrade: UART download/OTA (download and write firmware via network/host)
5. Software development: support cloud server development/sdk for user firmware development
6. Network protocol: IPv 4, IPv 6, SSL, TCP/UDP/HTTP/FTP/MQTT
7. User configuration: +instruction set, cloud server, Android/iOSapp
8. OS: FreeRTOS
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