Mp3 music player

Product introduction

The mini mp3 module is used to play MP3 songs in the TF card. Four function buttons are added, namely play / pause, cut song / volume, previous song / volume +, next song / volume - simple MP3 playing functions can be realized through Arduino program design.

Instructions

1. red buttons: power on / off, play / pause, long press the red button to turn on the MP3 player, long press to turn off again, press the word to pause playing, and then press the word to continue playing

2. Black button: the two modes of volume adjustment and song switching are interchanged. The LED light on the controller can prompt the current state. When the light is off, it is the song switching mode. When the light is on, it is the volume adjustment mode

3. Yellow button: the song switching mode is the function of the previous song, and the volume adjustment mode is volume + function

4. Green button: the song switching mode is the function of the next song, and the volume adjustment mode is volume function