Using a DFPlayer mini purchased on Amazon - Lacking functionality, could not get it to read file counts in the folder and it would just return -1. In folders numbered 01 – 99. File names with 3 digit ...

This Arduino project demonstrates how to control an MP3 player module using buttons. It utilizes the DFRobot DFPlayer Mini module and Arduino's SoftwareSerial library to communicate with the module.

Abstract: This paper discusses about an advanced smart audio visualizer with equalizer, by assembling Arduino, DFPlayer mini, Metal Oxide Semiconductor Field Effect Transistor (MOSFET), an arrangement ...