JQ6500 Mini MP3 Module

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TheJQ6500 MP3 is a hardware decoder providing serial MP3 chip, perfectly integrating MP3 and WMV. Meanwhile, the software supports TF card driver, spi flash update on the computer, and FAT16, FAT32 file system. Through simple serial commands, it can execute music playing. Easy-to-use without cumbersome underlying operations, stability and reliability are the most important features of this product. Also the chip is uniquely customized as a low-cost solution for specific voice playing field.

Model: EF03144

JQ6500 Mini MP3 Module-C.jpg JQ6500 Mini MP3 Module-B.jpg JQ6500 Mini MP3 Module-E.jpg


  • 1. Supports sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48
  • 2. 24-bit DAC output; dynamic range support 90dB; 85dB SNR support
  • 3. Supports FAT16, FAT32 file system, TF card(maximum capacity 32G), USB 32G, NORFLASH(64M bytes)
  • 4. A variety of control modes: serial mode, AD button control mode
  • 5. Supports inter-cut announcement by pausing the ongoing background music
  • 6. Sort the audio data by folder; supports up to 100 folders with every folder assigned to 1000 songs
  • 7. 30 level volume adjustable, 10 EQ adjustable
  • 8. External spi flash if connected to the computer, can display spi flash drive to update the content
  • 9. Play the specific music through the Microcontroller serial
  • 10. In the button mode, you can choose play modes: pulse repetition, pulse cannot be repeated, the level of non keep recycling, maintain levels of circulating


  • 1. Voice broadcasts in vehicle navigation;
  • 2. Road transport inspectors, toll station voice prompts;
  • 3. Railway station, bus station security check voice prompts;
  • 4. Power, communications, financial business hall voice prompts;
  • 5. Vehicles access voice prompts;
  • 6. Frontier inspection voice prompts;
  • 7. Multi-channel voice alarms or equipment operation guide voices;
  • 8. Electric sightseeing cars voice notices for safe driving;
  • 9. Electromechanical equipment error auto alarms;
  • 10. Fire alarms;
  • 11. Regular broadcasts of automatic broadcast equipment.

2. Parameters

2.1 Hardware Parameters

JQ6500 Mini MP3 Module-F.jpg

2.2 Module Pin Description

JQ6500 Mini MP3 Module-G.jpg JQ6500 Mini MP3 Module-H.jpg

JQ6500 Mini MP3 Module-I.jpg

2.3 Wiring Diagram

JQ6500 Mini MP3 Module-J.jpg


3.1 Communications Directive

1. Send commands directly no need return parameters

JQ6500 Mini MP3 Module-K.jpg

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  • For example, for next, send: 7E 02 01 EF
  • For previous, send: 7E 02 02 EF
  • For play, send: 7E 02 0D EF

2.Parameter Query

JQ6500 Mini MP3 Module-M.jpg

JQ6500 Mini MP3 Module-O.jpg

  • Example: To read the volume, sent [7E 02 43 EF], it’ll directly return to volume (16 bits)
  • ADKEY resistance function: 0R PLAY 3.3K for Next, V + 6.2K for Pre, V-9.1K for mode switching.

  • Note 1: The folders inside USB and TF card must be named 01 02...99; the files inside the folders must be named 001 002 003....

4. Instructions on Voice Update

Connect the MINI USB of the module to the computer. Open “My Computer”, double-click the “CD Drive”JQ6500 Mini MP3 Module-P.jpg, and you will see an update content of PC software, as shown below:

JQ6500 Mini MP3 Module-Q.jpg

JQ6500 Mini MP3 Module-R.jpg

Select "Audio loading" - Click "Browse".

JQ6500 Mini MP3 Module-S.jpg

Choose the audio, click the "Open".

JQ6500 Mini MP3 Module-T.jpg

The audio is added to the PC software.

JQ6500 Mini MP3 Module-U.jpg

  • Select "update download" tab, click update;
  • Audio writing is shown in picture.

JQ6500 Mini MP3 Module-V.jpg

The picture means that the voice has been downloaded to the spi flash in the module.


Includes important code snippet. Demo code like :

Demo code


The projects and application examples.

Version Tracker

Revision Descriptions Release
v0.9b Initial public release date

Bug Tracker

Bug Tracker is the place you can publish any bugs you think you might have found during use. Please write down what you have to say, your answers will help us improve our products.

Additional Idea

The Additional Idea is the place to write your project ideas about this product, or other usages you've found. Or you can write them on Projects page.


How to buy

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See Also

Other related products and resources.


This documentation is licensed under the Creative Commons Attribution-ShareAlike License 3.0 Source code and libraries are licensed under GPL/LGPL, see source code files for details.

External Links

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