DFPlayer - A Mini MP3 Player For Arduino https://www.dfrobot.com/index.php?route=product/product&product_id=1121
This example shows the all the function of library for DFPlayer.
Created 2016-12-07 By Angelo qiao
GNU Lesser General Public License. See http://www.gnu.org/licenses/ for details. All above must be included in any redistribution
Notice and Trouble shooting
1.Connection and Diagram can be found here https://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299#Connection_Diagram 2.This code is tested on Arduino Uno, Leonardo, Mega boards.