# 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.**

## Waveshare GPM280

A portable retro gaming console based on Raspberry Pi Compute Module 3+ Lite with a 2.8-inch IPS display (640x480), 1500mAh battery, Wi-Fi ROM updates, and a compact 136.4x67.5mm form factor.

[Details](https://openhardware.directory/devices/waveshare-gpm280) | [Markdown](https://openhardware.directory/devices/waveshare-gpm280/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)