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LilyGo TTGO-T-Watch – ESP32-based programmable Open Source Smart Watch

LilyGo TTGO-T-Watch – ESP32-based programmable Open Source Smart Watch

Overview

T-Watch is an open source smart watch which you can be program according to your requirements. It's not only a good opportunity for experienced programmers, but also for newbies that want to gain some experience in programming. 

Overview

T-Watch is an open source smart watch which you can be program according to your requirements. It's not only a good opportunity for experienced programmers, but also for newbies that want to gain some experience in programming. 

€49.46
Non Members: Regular Price €54.95
In stock
Shipping time: 3 working days

Details

Possible functionality

  • 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 electronic compass

You can find more information on GitHub.

Features

Accelerometer:

  • Chip: BMA423
  • Latest generation triaxial, low-g acceleration sensor from Bosch
  • ultra-small
  • digital interfaces
  • 2 bit digital resolution and embedded intelligence,
  • tilt, tab/double tab enables step counting especially in wearable devices.

Hardware specifications

Chipset ESP32, dual-core MCU, PMU power management
FLASH QSPI flash 16 MB 
SRAM  520 kB SRAM / PSRAM 8 MB
Button power key , IO36
USB to TTL CP2104
Modular interface UART, SPI, SDIO, I²C, LED PWM , PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA 
On-board clock 40 MHz crystal oscillator 
Working voltage 2.7 V - 3.6 V
Working current about 70 mA
Sleep current about 3 mA
Working temperature   -40℃ ~ +85℃
Size & Weight 46.47 × 43 × 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 5 V / 1 A
Charging current 500 mA
Battery 3.7 V lithium battery

Wi-Fi

Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol 802.11 b/g/n(802.11n, speed up to 150 Mbps) A-MPDU and A-MSDU polymerization, support 0.4 μS Protection interval
Frequency 2.4 GHz ~ 2.5 GHz (2400 M ~ 2483.5 M)
Transmit Power 22 dBm
Communication distance 300 m

Bluetooth

Protocol meets bluetooth V4.2 BR/EDR and BLE standard
Radio frequency with -97 dBm 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

Scope of delivery

  • 1 × T-Watch
  • 1 × Female Pin extension board
  • 1 × Black strap(25.5CM)
  • 1 × Charging cable
  • 1 × Data cable
  • 1 × Small screwdriver
  • 4 × Small screws
  • 1 × Blue small rag
  • 1 × Manual
  • 1 × Exclusive box

Specifications

More Information
SKU 19072
Manufacturer LilyGo

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