36. MP3 Module(EF05038)#

36.1. Introduction#

It is able to play the music.


36.3. Characteristics#

Designed with RJ11 ports and easy to plug.

36.4. Specification#

Item Parameter
SKU EF05038
Connection RJ11
Connection Type Digital input
Working Voltage 3.3V
Core IC YX6300

36.5. Outlook and Dimension#


36.6. Quick to Start#

36.6.1. Materials Required and Connection Diagram#

Connect the ASR module to the IIC port and the MP3 module to J1 port on Nezha expansion board.


36.7. MakeCode Programming#

36.7.1. Step 1#

Click “Advanced” in the drawer of the MakeCode to see more choices.


We need to add a package for programming. Click “Extensions” in the bottom of the drawer and search with “PlanetX” in the dialogue box to download it.


Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.

36.7.2. Step 2#

36.7.3. Code as below#


36.7.5. Result#

The MP3 module is controlled by the ASR module.

36.7.6. Attention#


36.8. Python Programming#

36.8.1. Step 1#

Download the package and unzip it: PlanetX_MicroPython

Go to Python editor


We need to add enum.py and mp3.py for programming. Click “Load/Save” and then click “Show Files (1)” to see more choices, click “Add file” to add enum.py and mp3.py from the unzipped package of PlanetX_MicroPython.

../_images/05001_081.png ../_images/05001_091.png ../_images/05034_10.png

36.8.2. Step 2#

36.8.3. Reference#

from microbit import *
from enum import *
from mp3 import *
player = MP3(J1)
while True:
    if button_a.is_pressed():
    elif button_b.is_pressed():

36.8.4. Result#

Press button A on the micro:bit to start playing the music; press button B to stop playing the music.

36.9. Relevant File#

36.10. Technique File#