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US$27.99

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LILYGO® TTGO T-Watch-2020 ESP32 Main Chip 1.54 Inch Touch Display Programmable Wearable Environmental Interaction

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                  Product Description:

                  Hardware Specifications

                   

                  Chipset

                  ESP32, dual-core MCU, PMU power management

                  FLASH

                  QSPI flash 16MB 

                  SRAM 

                  520 KB SRAM / PSRAM  8MB

                  Button

                  Power key 

                  USB to TTL

                  CP2104

                  On-board clock

                  40MHz crystal oscillator 

                  Working voltage

                  2.7V-3.6V

                  Working current

                   

                  Sleep current

                   

                  Working temperature range

                  -40℃ ~ +85℃

                  Weight

                  58.5g

                  Display: 

                  1.54 inch LCD capacitive touch screen

                  Sensor:

                  BMA423 three-axis accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition.

                  RTC clock:

                  PCF8563

                  Power Supply Specifications

                   

                  Power Supply

                  Micro USB (5V/1A)

                  Charging current

                  The charging current is programmable and self-adjustable (default 350mA)

                  Battery

                  3.7V lithium battery

                  Wi-Fi

                   

                  Standard

                  FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC

                  Protocol

                  802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval

                  Frequency range

                  2.4GHz~2.5GHz(2400M~2483.5M)

                  Transmit Power

                  22dBm

                  Communication distance

                  300m

                  Bluetooth

                   

                  Protocol

                  Meet bluetooth v4.2BR/EDR and BLE standard

                  Radio frequency

                  With -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH

                  Audio frequency

                  CVSD&SBC audio frequency

                  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 (Through network/host to download and write firmware)

                  Software Development

                  Support 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/iOSapp

                  OS

                  FreeRTOS

                  More Information:

                  https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library

                  https:/t-watch-document-en.readthedocs.io/en/latest/index.html

                   Package includes:

                  1 x T-Watch-2020

                  1 x Micro USB Charging Cable

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