Price:
US$27.99
Compatibility
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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) |
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Battery |
3.7V lithium battery |
|
Wi-Fi |
|
|
Standard |
FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC |
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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 |
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Bluetooth |
|
|
Protocol |
Meet bluetooth v4.2BR/EDR and BLE standard |
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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 |
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Security mechanism |
WPA/WPA2/WPA2-Enterprise/WPS |
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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
