DFPlayer Mini

Introduction

Specifications:
  • Play mp3 or wav

Wiring

ESP                   MP3-player
GPIO (X)       <-->   RX*


Power
5.0V or 3.3V   <-->   VCC
GND            <-->   GND

Speaker
Red            <-->   SPK_1
Black          <-->   SPK_2

Other
IO_1           <-->   Button, short press: previous track, long press: decrease volume
IO_2           <-->   Button, short press: next track, long press: increase volume

LED
LED**          <-->   BUSY

*note that the TX on the mp3-module is not used!

**optional, if you want a LED to indicate playback (low active).

../_images/P065_miniplayer_pin_map.png

Where to buy

Store

Link

AliExpress

Link 1 ($)

$ = affiliate links which will give us some money to keep this project running, thank you for using those.