# 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.

**3 device listed.**

## LuckFox Pico Plus

Linux SBC based on Rockchip RV1103 with ARM Cortex-A7 @ 1.2GHz, RISC-V MCU, 0.5 TOPS NPU, 64MB DDR2, 128MB NAND Flash, 10/100M Ethernet (RJ45), MIPI CSI camera, and 25 GPIO pins in a Pico form factor.

[Details](https://openhardware.directory/devices/luckfox-pico-plus) | [Markdown](https://openhardware.directory/devices/luckfox-pico-plus/md)

## Adafruit METRO M0 Express

Arduino Uno-compatible development board powered by ATSAMD21G18 Cortex M0+ at 48MHz with 256KB flash, 32KB SRAM, 2MB SPI flash, and CircuitPython pre-loaded. Features Arduino shield compatibility and native USB.

[Details](https://openhardware.directory/devices/adafruit-metro-m0-express) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m0-express/md)

## Adafruit Metro M4 Express AirLift

Arduino Uno-compatible board with ATSAMD51J19 Cortex M4F at 120MHz, ESP32 AirLift WiFi co-processor with TLS/SSL, 512KB flash, 192KB RAM, 2MB QSPI flash, 25 GPIO, dual DAC/ADC, and native USB. Arduino shield compatible.

[Details](https://openhardware.directory/devices/adafruit-metro-m4-airlift) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m4-airlift/md)