# 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.**

## Adafruit Feather 32u4 Bluefruit LE

Feather-format ATmega32u4 board with integrated nRF51822 Bluetooth LE, LiPo charging, native USB, 20 GPIO, and over-the-air firmware updates — an all-in-one BLE development board for iOS and Android connectivity.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-bluefruit-le) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-bluefruit-le/md)