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TTGO T-Watch Programmable And Networked Open Source Smart Watch That Interacts With The Environment As A Wearable Device White

Ships from China.
Most customers receive within 7-32 days.
  • Modules & Embedded Solutions
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   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 2.7V - 3.6V Working current about 70mA Sleep current about 3mA Working temperature    -40?  ~ +85? Size & Weight 46.47 x 43 x 20.4 mm 43.19 g Display 1.54 inch LCD capacitive touch screen Sensor BMA423 three  accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition. RTC clock PCF8563  
Power Supply Specifications: Power Supply USB 5V/1A Charging current 500mA Battery 3.7V lithium battery
  Wi-Fi: Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC Protocol 802.11 b/g/n( 802.11 n, speed up to150Mbps)  A-MPDU and A-MSDU polymerization,   support 0.4 μ S Protection interval Frequency 2.4GH z~ 2.5GH z(2400M~ 2483.5M ) Transmit Power 22dBm Communication distance 300m Bluetooth   Protocol meet bluetooth V 4.2KEY _TAB 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 Specifications: 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   Appearance Specifications:  
T-Watch onboard:   1.54 inch
LCD capacitive touch screen: ST7789V
Touch screen chip: FT5206
Accelerometer: BMA423
PMU power management: AXP202
RTC clock module: PCF8563
  Expand the interface:  
Support microphone: MSM261S4030H0 Support SPI TF memory card 2 digital
I/Os: GPIO25, GPIO26 (supports ADC, DAC) Support I2C, UART, SPI communication protocol
Product Details:  
Accelerometer: •
Chip: BMA423 • Latest generation triaxial, low-g acceleration sensor • ultra-small • digital interfaces • 2-bit digital resolution and embedded intelligence, • allows low-noise measurement of accelerations in 3 perpendiculars and thus senses wrist tilt, tab/double tab and enables plug ’ n’ play step counting especially in wearable devices.
  Recommended for: - Step-counting in wearable devices - Wake up display on wrist tilt - Low power user interaction by tab/double tab - Advanced gesture recognition - Activity recognition/tracking - Advanced power management - Tilt compensation for elect

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