Feature
Hardware Specifications
Chipset
ESP32, dual-core MCU, PMU power management
FLASH
QSPI flash 16MB
SRAM
520 kB SRAM / PSRAM 8MB
Button
power key, IO36
Extended function
Reference enhanced version and sensor kit
USB to TTL
CP2104
Modular interface
UART,SPI,SDIO,I2C,LED PWM, PWM,I2S,IRGPIO,capacitor touch sensor,ADC,DACLNA
On-board clock
40MHz crystal oscillator
Working voltage
27V-3.6V
Working current
about 70 mA
Sleep current
about 1mA
Working temperature range
-40C ~+85C
Size&Weight
46.47*43*20.4mm, 43.19g
Display
1.54 inch LCD screen
Sensor
BMA423 three-axis accelerometer, built-in step counting algorith-m, activity recognition / tracking, advanced gesture recognition.
RTC clock
PCF8563
Power Supply Specifications
Power Supply
USB 5V/1A
Charging current
Programmable adjustment
Battery
3.7V lithium battety (JST:2pin 1.25mm)
Wi-Fi Description
Standard
FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC (ESP32 chip)
Protocol
802.11 b/g/n(802.11n, speed up to 150Mbps)A-MPDU and A-MSDU polymerization, support 0.4uS Prrotection interval
Frequency range
2.4GHz-2.5GHz(2400M-2483.5M)
Transmit Power
22dBm
Communication distance
300m
Bluetooth Description
Protocol
meet bluetooth V4.2 BR/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 Description
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/IOS app
OS
FreeRTOS
Package includes
1 x T-watch-N
1 x Black strap(25.5cm)
1 x Data cable
1 x Box
Additional information
| Weight | 0.096 kg |
|---|
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