The T-Watch-Keyboard-C3 V1.0 from LILYGO is a compact development board integrated with the ESP32-C3 chip. It features a mini QWERTY keyboard, built-in WiFi and Bluetooth capabilities, and is perfect for use with T-Watch series devices or as a functional tech accessory. This module is ideal for wearable prototypes, IoT projects, or creative development applications.
Key Features
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Integrated ESP32-C3 chip with WiFi 802.11 b/g/n and Bluetooth 5.0 (LE)
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Mini QWERTY keyboard layout for easy input and interaction
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USB Type-C interface for power and data transfer
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Modular design supporting add-on components like motor, mic, and speaker
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Compact and lightweight, suitable for wearable or embedded applications
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Fully compatible with LILYGO T-Watch series
Technical Specifications
| Specification | Details |
|---|---|
| Chipset | ESP32-C3 |
| Wireless | WiFi + Bluetooth 5.0 |
| Keyboard Layout | Mini QWERTY |
| Interface | USB Type-C, 6-pin FPC connector |
| Display | Square screen (check official datasheet for specs) |
| Expansion Support | Motor, mic, speaker modules |
Application Scenarios
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Wearable device prototyping
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DIY electronics and maker projects
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Mini terminal or communication interface
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IoT education and experimentation
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Keyboard input module for custom projects
Package Contents
Version 1: Basic Kit
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1 x T-Watch-Keyboard-C3 main device
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1 x Type-C USB cable
![](data:image/svg+xml;charset=utf-8,<svg height="1000px" width="1000px" xmlns="http://www.w3.org/2000/svg" version="1.1"/>)
Version 2: Developer Kit
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1 x Watch-Keyboard-C3 (main device with keyboard module)
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1 x Motor Mic Speaker Module
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1 x 6-pin flat cable
Developer Friendly
Fully supported by open-source libraries and examples from LILYGO. Compatible with Arduino IDE and PlatformIO, allowing rapid development of Bluetooth pairing, WiFi communication, key mapping, and more.