Use this driver to control the Keyestudio YX5200-24SS MP3/Jaycar XC3748 Music Player Module
This MP3 module is a MP3/WAV/WMA music player. It uses YX5200/YX5300 at its core and it plays files from an integrated SD card reader. It is connected with Serial port.
See this article for a good oversight.
using Iot.Device.Yx5300;
using nanoFramework.Hardware.Esp32;
using System.Threading;
const int FolderNumber = 1;
const int FileNumber = 1;
Yx5300 mp3Player;
// Set GPIO functions for COM2 (this is UART2 on ESP32)
Configuration.SetPinFunction(Gpio.IO17, DeviceFunction.COM2_TX);
Configuration.SetPinFunction(Gpio.IO16, DeviceFunction.COM2_RX);
// Open COM2 and instantiate player
mp3Player = new Yx5300("COM2");
// Start player and play some files
Thread.Sleep(1000);
mp3Player.Volume(Yx5300.MaxVolume / 2);
// Repeat a folder
mp3Player.PlayFolderRepeat(FolderNumber);
mp3Player.Play();
// Repeat a file
mp3Player.PlayTrackRepeat(FileNumber);
mp3Player.Play();
Thread.Sleep(Timeout.Infinite);