⌚ T-Watch S3 by LILYGO – Smart, Customizable, Developer-Ready
The T-Watch S3 by LILYGO is built for makers and innovators 🛠️ who want to explore LoRa 📡 and ESP32-S3 💻 technology in wearable form. Whether you're prototyping IoT solutions, building mesh networks, or crafting smart gadgets, this TTGO watch S3 is:
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🔧 Highly customizable
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🌐 Versatile across applications
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🧪 Perfect for experimentation and STEM projects
From smart communication to real-time control, the T-Watch S3 is your wrist-mounted playground for next-gen ideas. Ready to build something brilliant?
Difference Between T-Watch 2019/2020 V1/2020 V2/2020 V3 and T-Watch-S3
Specifications of the LILYGO T-Watch-S3
| MCU | ESP32-S3 |
| FLASH | 16MB |
| PS RAM | 8MB |
| Platform | Arduino-IDE, ESP-IDF, VS Code, Micropython |
| Wireless | Wi-Fi: 802.11 b/g/n Bluetooth: BLE V5.0 |
| Onboard Functions | RTC, Microphone, MAX98357A, Power Detection, BMA423 3-axis acceleration sensor |
| DRV2605 | Haptic Driver Motor for ERM and LRA |
| AXP2101 | Highly Integrated Power Management Unit |
| SX1262 Low Power LoRa Transceiver Support Baud: 433Mhz, 868Mhz, 915Mhz |
Sample Code For Reference [Github]
If you need technical support regarding the LILYGO T-Watch S3 or any TTGO T-Watch products, please check the below link to find more details.
T-Watch_Library
In order to be compatible with multiple versions of T-Watch, all examples include a file. For the first use, you need to define the T-Watch S3 model you use in the file
In the file, you can also see similar definitions, such as LILYGO_WATCH_LVGL, LILYGO_WATCH_HAS_MOTOR, this type of definition, it will be responsible for opening the defined module function, all definitions Will be available view
T-WATCH-2020 document
Micropython ESP32 Firmware Download Address
Tip: You need to turn on the switch when you turn it on for the first time, and it is recommended to turn off the battery switch when it is not used for a long time.
Product Display of the LILYGO T-Watch S3
Color of the T-Watch S3
Size of LILYGO T-Watch S3
Pin Diagram of LILYGO T-Watch S3
LilyGo T-Wacth-S3 Pin Map
Display
| ESP32 | Attribute | Description |
|---|---|---|
| GPIO05 | CS | TFT_CS |
| GPIO18 | SCLK | TFT_SCLK |
| GPIO19 | MOSI | TFT_MOSI |
| GPIO27 | DC | TFT_DC |
| GPIO12 | BL | TFT_BL |
AXP202
| ESP32 | Attribute | Description |
|---|---|---|
| GPIO21 | I2C | AXP202_SDA |
| GPIO22 | I2C | AXP202_SCL |
| GPIO35 | INT | AXP202_INT |
Serial Chip Description of the T-Watch S3
Matters Needing Attention for TTGO T Watch S3