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

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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

                  Note: This PCB does not support extended functions, if you need extended functions, you can choose the old version like these: 

                  T-Watch Version Product ID (Click to buy)
                  Basic version Product ID: 1501125
                  With Keyboard version Product ID: 1671817
                  T-Watch Upgraded Version Product ID: 1551855 (Black)
                  T-Watch Upgraded Version Product ID: 1551854 (White)
                  T-Watch 7-in-1 Sensor Development Kit Version Product ID: 1671639
                  T-Watch 14-in-1 Sensor Development Kit Version Product ID: 1553613
                  With Snail Speaker Version Product ID: 1609382
                  T-Quick T-Watch Motor Ball Version Product ID: 1609464
                  NEW T-Watch-2020 Black Product ID: 1671427
                  NEW T-Watch-2020 White This item

                  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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