ESP32 T-Watch Without Touch Screen Version Programmable Wearable TTGO
The LILYGO® TTGO T-Watch is a programmable smartwatch powered by an ESP32 dual-core MCU, offering a versatile platform for IoT projects, fitness tracking, and custom firmware development. With built-in sensors, connectivity options, and display features, it is ideal for developers and hobbyists looking to explore wearable electronics and embedded systems.
Package Includes
- 1 x T-Watch-N
- 1 x Black Strap (25.5 cm)
- 1 x Data Cable
- 1 x Box
Features
- Programmable ESP32 dual-core MCU with PMU power management
- Wi-Fi and Bluetooth connectivity (V4.2 BR/EDR & BLE)
- 1.54-inch LCD display
- BMA423 accelerometer for step counting, gesture recognition, and activity tracking
- RTC (PCF8563) for accurate timekeeping
- Supports FreeRTOS for real-time task management
- Firmware upgradeable via OTA or UART
- Cloud SDK support for advanced development
Specifications
| Category | Specification |
|---|---|
| Chipset | ESP32, dual-core MCU, PMU power management |
| Memory | 16MB QSPI flash, 520kB SRAM, 8MB PSRAM |
| Display | 1.54-inch LCD screen |
| Interfaces | UART, SPI, SDIO, I2C, LED PWM, PWM, I2S, IR GPIO, Capacitive Touch, ADC, DAC |
| Sensor | BMA423 three-axis accelerometer |
| RTC Clock | PCF8563 |
| Clock | 40MHz crystal oscillator |
| Connectivity | Wi-Fi 802.11 b/g/n (up to 150Mbps, 300m range), Bluetooth V4.2 BR/EDR & BLE |
| Wi-Fi Security | WPA/WPA2/WPA2-Enterprise/WPS, AES/RSA/ECC/SHA encryption |
| Networking Protocols | IPv4, IPv6, TCP/UDP, HTTP/FTP, MQTT |
| Audio Support | CVSD & SBC |
| Power Input | USB 5V/1A |
| Battery | 3.7V lithium, JST 2-pin 1.25mm |
| Working Current | ~70mA |
| Sleep Current | ~1mA |
| Working Temperature | -40°C ~ +85°C |
| Size | 46.47 x 43 x 20.4 mm |
| Weight | 43.19g |
| Operating System | FreeRTOS |
| Firmware Upgrade | OTA or UART |
| Software Development | Cloud SDK, AT commands, custom firmware |
Onboard Sensors
- BMA423 Sensor: Three-axis accelerometer, step counting, activity and gesture recognition
- RTC Clock: PCF8563 for precise timekeeping
- Power Key: Configurable IO36 for user interaction
Pinout
Applications
- Wearable IoT solutions
- Fitness and health tracking
- Environmental monitoring
- Educational and hobbyist projects
- Custom firmware and cloud-based applications
Features
- Programmable ESP32 dual-core MCU with PMU power management
- Wi-Fi and Bluetooth connectivity (V4.2 BR/EDR & BLE)
- 1.54-inch LCD display
- BMA423 accelerometer for step counting, gesture recognition, and activity tracking
- RTC (PCF8563) for accurate timekeeping
- Supports FreeRTOS for real-time task management
- Firmware upgradeable via OTA or UART
- Cloud SDK support for advanced development
Specifications
| Category | Specification |
|---|---|
| Chipset | ESP32, dual-core MCU, PMU power management |
| Memory | 16MB QSPI flash, 520kB SRAM, 8MB PSRAM |
| Display | 1.54-inch LCD screen |
| Interfaces | UART, SPI, SDIO, I2C, LED PWM, PWM, I2S, IR GPIO, Capacitive Touch, ADC, DAC |
| Sensor | BMA423 three-axis accelerometer |
| RTC Clock | PCF8563 |
| Clock | 40MHz crystal oscillator |
| Connectivity | Wi-Fi 802.11 b/g/n (up to 150Mbps, 300m range), Bluetooth V4.2 BR/EDR & BLE |
| Wi-Fi Security | WPA/WPA2/WPA2-Enterprise/WPS, AES/RSA/ECC/SHA encryption |
| Networking Protocols | IPv4, IPv6, TCP/UDP, HTTP/FTP, MQTT |
| Audio Support | CVSD & SBC |
| Power Input | USB 5V/1A |
| Battery | 3.7V lithium, JST 2-pin 1.25mm |
| Working Current | ~70mA |
| Sleep Current | ~1mA |
| Working Temperature | -40°C ~ +85°C |
| Size | 46.47 x 43 x 20.4 mm |
| Weight | 43.19g |
| Operating System | FreeRTOS |
| Firmware Upgrade | OTA or UART |
| Software Development | Cloud SDK, AT commands, custom firmware |
Onboard Sensors
- BMA423 Sensor: Three-axis accelerometer, step counting, activity and gesture recognition
- RTC Clock: PCF8563 for precise timekeeping
- Power Key: Configurable IO36 for user interaction
Pinout
Applications
- Wearable IoT solutions
- Fitness and health tracking
- Environmental monitoring
- Educational and hobbyist projects
- Custom firmware and cloud-based applications