# 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.

**10 device listed.**

## CUBEEK CubeSat Educational Kit

Open-source 1U CubeSat educational kit powered by Arduino Pro Mini with LoRa communication, multi-sensor payload (IMU, barometer, GPS, temperature), solar-powered EPS, and ground station dashboard for learning satellite engineering.

[Details](https://openhardware.directory/devices/cubeek-cubesat-educational-kit) | [Markdown](https://openhardware.directory/devices/cubeek-cubesat-educational-kit/md)

## AVR-HF ADX-MI3

Pre-built digital mode QRP transceiver for amateur radio, supporting FT8, FT4, JS8, and WSPR on HF bands from 160m to 6m with ~5W output, OLED display, and single USB-C cable operation.

[Details](https://openhardware.directory/devices/avr-hf-adx-mi3) | [Markdown](https://openhardware.directory/devices/avr-hf-adx-mi3/md)

## DFRobot Beetle BLE

Ultra-compact Arduino Uno-compatible board with BLE 4.0 (CC2540), ATmega328P, sewable gold-plated I/O pads, and wireless programming in a 28.8x33.1mm wearable form factor.

[Details](https://openhardware.directory/devices/dfrobot-beetle-ble) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-ble/md)

## DFRobot FireBeetle 328P BLE 4.1

Low-power Arduino-compatible board with ATmega328P and Dialog BLE 4.1 chip, featuring 14 digital I/O, 6 analog inputs, wireless OTA programming, 25uA deep sleep, onboard LiPo charging, and dual interrupt wakeup in a compact 58x29mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-328p-ble) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-328p-ble/md)

## DFRobot W5500 Ethernet PoE Board

Arduino Leonardo-compatible IoT board with WIZnet W5500 hardwired TCP/IP Ethernet (10/100Mbps), 802.3af PoE power input, ATmega32u4 MCU, 20 digital I/O pins, and 6 analog inputs for wired IoT applications.

[Details](https://openhardware.directory/devices/dfrobot-w5500-ethernet-poe) | [Markdown](https://openhardware.directory/devices/dfrobot-w5500-ethernet-poe/md)

## Adafruit Feather 32u4 RFM69HCW (868/915 MHz)

Feather-format development board combining the ATmega32u4 microcontroller with an RFM69HCW 868/915 MHz packet radio for low-power sub-GHz wireless applications.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw/md)

## Adafruit Feather 32u4 RFM96 LoRa (433 MHz)

Feather-format development board combining the ATmega32u4 microcontroller with an RFM96 LoRa 433 MHz transceiver for long-range, low-power IoT applications.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm96) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm96/md)

## Adafruit Feather 32u4 RFM95 LoRa (900 MHz)

Feather-format development board combining the ATmega32u4 microcontroller with an RFM95 LoRa 868/915 MHz transceiver for long-range, low-power IoT applications.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm95) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm95/md)

## Arduino Uno Rev3

The original Arduino UNO — the world's most popular development board with ATmega328P at 16MHz, 32KB flash, 2KB SRAM, 14 digital I/O (6 PWM), 6 analog inputs, USB-B, and 5V operation. The gateway to electronics and programming for millions.

[Details](https://openhardware.directory/devices/arduino-uno-rev3) | [Markdown](https://openhardware.directory/devices/arduino-uno-rev3/md)

## Arduino Nano

The classic breadboard-friendly Arduino — ATmega328P at 16MHz, 32KB flash, 2KB SRAM, 14 digital I/O (6 PWM), 8 analog inputs, Mini-B USB, and 5V operation in a tiny 45×18mm form factor. The compact original.

[Details](https://openhardware.directory/devices/arduino-nano) | [Markdown](https://openhardware.directory/devices/arduino-nano/md)