# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**1 device listed.**

## LILYGO T-Watch 2021

Programmable ESP32 smartwatch with 1.3-inch round GC9A01 IPS touchscreen (240×240), BMA423 accelerometer, vibration motor, RTC, WiFi, and BLE 4.2 — open-source and fully programmable with Arduino or MicroPython.

[Details](https://openhardware.directory/devices/lilygo-t-watch-2021) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-2021/md)