# 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.

**1 device listed.**

## DFPlayer Mini MP3 Module

Compact MP3/WAV/WMA audio player module with microSD slot, UART serial control, and built-in 3W amplifier — one of the most popular audio modules for Arduino and IoT projects.

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