# 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.**

## LOLIN D1 Mini V3

Compact WiFi development board based on the ESP8266-12F module. Features 4 MB flash, 11 digital I/O pins, Micro-USB, and a rich shield ecosystem. One of the most popular boards for IoT projects.

[Details](https://openhardware.directory/devices/d1-mini-v3) | [Markdown](https://openhardware.directory/devices/d1-mini-v3/md)

## Wemos D1 Mini (ESP8266)

Compact ESP8266-based WiFi development board with 4MB flash, 11 digital I/O pins, micro-USB, and a rich shield ecosystem. The most popular board for Tasmota and ESPHome DIY home automation projects.

[Details](https://openhardware.directory/devices/wemos-d1-mini-esp8266) | [Markdown](https://openhardware.directory/devices/wemos-d1-mini-esp8266/md)