# 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.

**5 device listed.**

## Seeeduino Cloud

Arduino Yun-compatible board combining ATmega32u4 with a Dragino HE Linux WiFi module running OpenWRT. Features 802.11 b/g/n WiFi, Ethernet, 14 digital I/O pins, and USB host for IoT gateway applications.

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

## Raspberry Pi Zero 2 W

Credit-card-tiny Linux SBC with a quad-core Cortex-A53 at 1 GHz, 512 MB RAM, 2.4 GHz WiFi, Bluetooth 4.2, a 40-pin GPIO header footprint, mini HDMI, and a CSI camera connector.

[Details](https://openhardware.directory/devices/raspberry-pi-zero-2-w) | [Markdown](https://openhardware.directory/devices/raspberry-pi-zero-2-w/md)

## ESP32-C3 DevKitM-01

Espressif official RISC-V ESP32-C3 dev board with ESP32-C3-MINI-1 module, 4 MB embedded SPI Flash, WiFi 4, BLE 5, Micro-USB, RGB LED, and a compact footprint for IoT prototyping.

[Details](https://openhardware.directory/devices/esp32-c3-devkitm-01) | [Markdown](https://openhardware.directory/devices/esp32-c3-devkitm-01/md)

## Raspberry Pi Zero v1.3

Ultra-compact $10 single-board Linux computer with BCM2835 ARM at 1 GHz, 512MB RAM, micro SD, mini HDMI, two micro USB ports, and camera connector — the original Raspberry Pi Zero with camera support added in v1.3.

[Details](https://openhardware.directory/devices/raspberry-pi-zero-v1-3) | [Markdown](https://openhardware.directory/devices/raspberry-pi-zero-v1-3/md)

## Heltec WiFi Kit 8

ESP8266-based IoT development board by Heltec with built-in 0.91-inch OLED display, Li-Po battery management, and WiFi connectivity in a compact 50.9x18.2mm form factor.

[Details](https://openhardware.directory/devices/heltec-wifi-kit-8) | [Markdown](https://openhardware.directory/devices/heltec-wifi-kit-8/md)