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 project demonstrates a basic MP3 player using an ESP32 microcontroller and a DFRobot DFPlayer Mini. It plays a pre-selected MP3 file from the SD card inserted into the DFPlayer. The code is ...