DFPlayer Mini mp3

Library for the DFPlayer Mini Mp3 module

This library allows your Arduino project to control the DFPlayer Mini MP3 module. It supports both hardware serial and software serial. It was designed to fit in the smallest Arduino hardware by consuming less code and memory space than other libraries.

Please read the product link before connecting your module, it will save you alot of time and effort.
DFRobot's DFPlayer Mini Mp3

Documentation

See Wiki

Installing This Library (prefered, you just want to use it)

Open the Library Manager and search for "DFPlayer Mini Mp3 by Makuna" and install.

Installing This Library From GitHub (advanced, you want to contribute)

Create a directory in your Arduino\Library folder named "DfMiniMp3"
Clone (Git) this project into that folder.
It should now show up in the import list when you restart Arduino IDE.