MP3 player

Introduction

The ESP module can control the MP3-player module "DRPlayer DRF0299" and the "YX5300" module with 3.5mm output for speaker(s).

Hardware

Circuit wiring:

1st-GPIO -> ESP TX to module RX
3.3-5V to module VCC (can be more than 100mA)
GND to module GND
Speaker to module SPK_1 and SPK_2 (not to GND!)
(optional) module BUSY to LED driver (low active)

ESP Easy

Use the device tab on the ESP Easy webinterface and create a new task by editing one of the available tasks. Select "Notify - " from the dropdown box.

Enter the GPIO pin for serial TX.

Commands

play,<track>        Plays the n-th track 1...3000 on SD-card in root folder. The track number is the physical order - not the order displayed in file explorer! (The track will be played once and then stopped.)
stop                Stops actual playing sound
vol,<volume>        Set volume level 1...30
eq,<type>           Set the equalizer type 0=Normal, 1=Pop, 2=Rock, 3=Jazz, 4=classic, 5=Base (IS NOT SUPPORTED BY YX5300)