# 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-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)

## Adafruit Feather RP2040 with USB Type A Host

RP2040 Feather with a dedicated USB Type-A host port powered by a 5V boost converter, enabling connection to USB devices like keyboards, mice, and MIDI controllers alongside standard USB-C programming.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-usb-host) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-usb-host/md)