LILYGO® T-WATCH-S3 Plus Smartwatch Development Board User Manual

1. Bubuka

The LILYGO T-WATCH-S3 Plus is a versatile ESP32-S3-based smartwatch development platform, designed for IoT, wearable applications, and smart device projects. It features 16MB Flash and 8MB PSRAM, supporting multiple development environments, including Arduino-IDE, ESP-IDF, VS Code, and MicroPython. With built-in Wi-Fi (802.11b/g/n), Bluetooth BLE 5.0, and LoRa communication, this smartwatch ensures seamless short-range and long-range wireless connectivity. It features an SX1262 Low Power LoRa transceiver, supporting 433MHz, 868MHz, and 915MHz frequency bands for extended-range data transmission. Additionally, it comes equipped with an RTC clock, microphone, MAX98357A audio decoder, battery voltage detection, BMA423 motion sensor, and GPS positioning, making it a feature-rich device for a variety of applications.

2. Catetan Penting

• The product is shipped with the battery power turned off by default to ensure safety during transportation.
• If you need to use the device with battery power, please switch on the battery power manually before use.
• For optimal performance, it is highly recommended to charge the device for at least 2 hours before first use.
• Improper activation or insufficient initial charging may affect normal operation.

3. Setélan

3.1 Ngecas Awal

Before first use, connect the T-WATCH-S3 Plus to a power source using a compatible USB cable. It is highly recommended to charge the device for at least 2 hours to ensure optimal battery activation and performance. The charging port is located on the side of the watch, as indicated in the pin diagram.

3.2 Powering On

The device is shipped with the battery power manually switched off for safety. Locate the battery power switch (if present, typically a small physical switch near the charging port or on the back) and switch it to the 'ON' position. Then, press and hold the Power Button for approximately 2 seconds to turn on the device. The Power Button is located on the side of the watch.

4. Parentah Operasi

4.1 Power Button Functions

• Daya Hurung: Pencét jeung tahan Tombol Daya salila 2 detik.
• Pareum listrik: Pencét jeung tahan Tombol Daya salila 6 detik.

4.2 Touchscreen Interaction

The T-WATCH-S3 Plus features a capacitive touchscreen display. Interact with the device by tapping, swiping, and holding gestures as defined by the loaded firmware or application. Refer to your specific application's documentation for detailed touchscreen controls.

4.3 Tombol custom

A custom button is available on the device. Its functionality is dependent on the firmware loaded onto the development board. Consult the firmware documentation for specific uses of this button.

4.4 USB Port & OTG

The integrated USB port supports both data transfer and On-The-Go (OTG) functionality. This allows for programming the device, debugging, and potentially connecting compatible USB peripherals, depending on firmware support.

5. Spésifikasi

5.1 Dimensi Fisik

• Watch Body (L x W x H): Approximately 51.5mm x 42mm x 20mm
• Strap Length: Approximately 305mm
• Package Dimensions (L x W x H): 15cm x 10cm x 5cm
• Beurat pakét: 0.2kg

6. Pin Diagram

The following diagram illustrates the pinout and internal component connections of the T-WATCH-S3 Plus, crucial for advanced development and understanding hardware interactions.

Key components and their associated GPIOs include:

• Display (ST7789V 1.54" LCD): TFT_MISO (NULL), TFT_MOSI (IO13), TFT_SCK (IO12), TFT_CS (IO10), TFT_DC (IO38), TFT_RST (NULL), TFT_BL (IO45)
• LoRa (SX1262): RADIO_SCK (IO03), RADIO_MISO (IO04), RADIO_MOSI (IO01), RADIO_CS (IO05), RADIO_DIO1 (IO09), RADIO_RST (IO08), RADIO_BUSY (IO07)
• GPS Module (MIA-M10Q): UART_TX (IO41), UART_RX (IO42)
• RTC Clock: Interrupt (IO17), I2C_SDA (IO10), I2C_SCL (IO11)
• PMU (AXP2101): Interrupt (IO21), I2C_SDA (IO10), I2C_SCL (IO11)
• BMA423 Axis Sensor: Interrupt (IO14), I2C_SDA (IO10), I2C_SCL (IO11)
• PDM MIC: Data (IO47), Sclk (IO44)
• I2S Class MAX98357A: I2S_BCK (IO48), I2S_WS (IO15), I2S_DOUT (IO46)
• DRV2605 Haptic Motor: SDA (IO10), SCL (IO11)
• Capacitive Touch: Interrupt (IO16), I2C_SDA (IO10), I2C_SCL (IO11)
• IR: IO02

7. Pangropéa

• beberesih: Use a soft, dry cloth to clean the device. For stubborn smudges on the screen, a slightly damp, lint-free cloth can be used. Avoid harsh chemicals or abrasive materials.
• Panyimpenan: Simpen alat dina tempat anu tiis sareng garing jauh tina sinar panonpoé langsung sareng suhu anu ekstrim.
• Perawatan batré: To prolong battery life, avoid fully discharging the battery frequently. If storing for an extended period, charge the battery to about 50% and store in a cool, dry place.
• Tahan cai: The device is not specified as water-resistant. Avoid exposure to water or high humidity.

8. Cara ngungkulan

• Alat teu hurung:
  • Ensure the battery power switch is in the 'ON' position.
  • Charge the device for at least 2 hours. Improper initial charging can affect operation.
  • Verify the USB cable and power adapter are functioning correctly.
  • Try holding the power button for 2 seconds to turn on.
• Pintonan teu ngabales:
  • Ensure the device is powered on and charged.
  • If the device is frozen, try a hard reset by holding the power button for 6 seconds to turn off, then 2 seconds to turn back on.
• Connectivity issues (Wi-Fi/Bluetooth/LoRa):
  • Check your firmware settings to ensure wireless modules are enabled and configured correctly.
  • Ensure you are within range of the network/device you are trying to connect to.
  • For LoRa, verify frequency band settings match your region and other devices.
• Paripolah anu teu disangka-sangka:
  • This is a development board; unexpected behavior can often be related to the loaded firmware. Review your code and development environment.
  • Refer to the official GitHub repository for known issues or community support.

9. Tips pamaké

• Pangwangunan firmware: Utilize the provided GitHub repository for sample code and detailed information to kickstart your development projects.
• Rojongan Komunitas: For technical assistance or to discuss development challenges, engage with the LILYGO community on GitHub.

10. Jaminan & Dukungan

10.1 Rojongan Téknis

For technical support, including questions about development, firmware, or hardware issues, please visit the official LILYGO GitHub community. You can post a description of your problem, and engineers will provide assistance.

Repositori GitHub: https://github.com/Xinyuan-LilyGO/TTGO_TWatch_Library/tree/t-watch-s3

GitHub Community: https://github.com/Xinyuan-LilyGo

10.2 Émbaran jaminan

Specific warranty details are not provided in this manual. Please refer to the seller's terms and conditions or contact LILYGO customer service for warranty-related inquiries.