T-Watch S3: Open-Source Smartwatch with LoRa and ESP32-S3 for Amateur Radio Enthusiasts

lilygo watch s3

In the world of open-source hardware, the T-Watch S3 stands out as a remarkable addition, combining the power of the ESP32-S3 microcontroller with LoRa connectivity. Priced at $42.98, this smartwatch is a highly customizable and versatile device, ideal for developers, students, and amateur radio enthusiasts looking to explore LoRa technology in a wearable form factor.

image-61 T-Watch S3: Open-Source Smartwatch with LoRa and ESP32-S3 for Amateur Radio Enthusiasts

Key Specifications

  • MCU: ESP32-S3
  • Memory: 16MB Flash, 8MB PSRAM
  • Wireless Connectivity:
    • Wi-Fi: 802.11 b/g/n
    • Bluetooth: BLE 5.0
    • LoRa Transceiver: SX1262 Low Power LoRa
    • Supported Frequencies: 433MHz, 868MHz, 915MHz
  • Onboard Features:
    • Real-Time Clock (RTC)
    • Microphone & MAX98357A Audio Amplifier
    • BMA423 3-axis Acceleration Sensor
    • DRV2605 Haptic Feedback Motor
    • AXP2101 Power Management Unit
image-60 T-Watch S3: Open-Source Smartwatch with LoRa and ESP32-S3 for Amateur Radio Enthusiasts

Developer-Friendly Platform

The T-Watch S3 is designed with developers in mind. It supports multiple development environments, making customization easy:

  • Arduino IDE
  • ESP-IDF
  • VS Code
  • Micropython

Additionally, an official GitHub repository contains sample codes and documentation to help you get started with your own projects.

What’s Included in the Package?

  • 1 x T-Watch S3
  • 1 x USB Cable
image-59-1024x869 T-Watch S3: Open-Source Smartwatch with LoRa and ESP32-S3 for Amateur Radio Enthusiasts

Final Thoughts

If you’re an amateur radio operator seeking a wearable, open-source solution for LoRa communication, the T-Watch S3 is an ideal choice to experiment with new possibilities in digital communication.

Buy now here

2 comments

comments user
Abdulkadir

hi from Turkey.
which firmware can install and with which settings on twatch-s3 as tracker/igate/digi?
TA5KDR *73

    comments user
    9M2PJU

    Still not available at the moment, try meshtastic and meshtastic to aprs bridge

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