LILYGO® TTGO T-Watch Keyboard

Name: LILYGO® TTGO T-Watch Keyboard
SKU: 19764
Price: 48.32 USD
Availability: Discontinued

LILYGO® TTGO T-Watch Keyboard ESP32 Main Chip Programmable Watch Hardware And MINI Expansion Keyboard

Designed by Lilygo in China

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LILYGO® TTGO T-Watch Keyboard ESP32 Main Chip Programmable Watch Hardware And MINI Expansion Keyboard

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, IO36 Extended function: Refe…

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, 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: 2.7V-3.6V

Working current: About 70mA

Sleep Current: About 1mA

Working temperature range: -40℃ ~ +85℃

Size: 91.71 x 70.64 x 25.33mm

Weight: 56.23g

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: USB 5V/1A

Charging current: 500mA

Battery: 3.7V lithium battery(JST:2Pin 1.25mm)

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: meets 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

More Information

Link:https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library

Link:https://t-watch-document-en.readthedocs.io/en/latest/index.html

Product Size

Product Detail

LILYGO® TTGO T-Watch Keyboard is modified based on the open source project Twitter @ arturo182. At the same time, the externally expanded MINI keyboard can also be used with T-Watch Basic, T-Watch Lora, T-Watch SNAIL.