# 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.

**2 device listed.**

## LILYGO T-Wrist E-Paper

LILYGO T-Wrist E-Paper is an ESP32-based wearable development board with a 1.54-inch 200×200 e-paper display, vibration motor, optional GPS (LG77 GNSS), WiFi, Bluetooth 4.2, and 3D-printable watch shell.

[Details](https://openhardware.directory/devices/lilygo-t-wrist-e-paper) | [Markdown](https://openhardware.directory/devices/lilygo-t-wrist-e-paper/md)

## LILYGO T-Encoder ESP32

Compact ESP32-PICO-V3-02 board with rotary encoder, WS2812 RGB LED ring, Wi-Fi, BLE 4.2, 8MB flash, and 2MB PSRAM. Ideal for knob-based UI controllers and volume/parameter controls.

[Details](https://openhardware.directory/devices/lilygo-t-encoder-esp32) | [Markdown](https://openhardware.directory/devices/lilygo-t-encoder-esp32/md)