Open source DFPlayer mini MP3, mini player, development module

The DFPlayer Mini is a compact and inexpensive Mp3 module that connects directly to the speaker.

The module is matched with a power supply battery, a speaker, and a button can be used alone or controlled through a serial port,

As a module of Arduino UNO or any single chip microcontroller with serial port.

The module itself integrates Mp3, WAV, WMA hard decoding,

while the software supports TF card driver, supports FAT16, FAT32 file system,

Through simple serial port designation,

the functions of playing the designated music and how to play music can be completed,

without cumbersome underlying operation, easy to use, stable and reliable.

Technical specifications:

1. Supported sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48

2. 24-bit DAC output, dynamic range support: 90dB, signal-to-noise ratio support: 85dB

3. Fully support FAT16, FAT32 file system, support up to 32G TF card, support 32G U disk, 64M byte NORFLASH

4. A variety of control modes are available. IO Control Mode, Serial Port Mode, AD Key Control Mode

5. The broadcast language insertion function can pause the background music being played. When the advertisement is finished, it returns to the background sound and continues to play

6. Audio data is sorted by folder, supporting up to 100 folders, and 255 tracks can be assigned to every other folder

7, 30 Level Volume Adjustable, 6 Level EQ Adjustable

Application

1. Vehicle navigation voice broadcast

2. Voice prompts for road transportation inspection and toll stations

3. Voice prompts for safety inspection in railway stations and bus stations

4. Voice prompts of electric power, communication and financial business halls

5. Voice prompt for vehicle entry and exit channel verification

6. ** Voice prompt of border inspection channel

7. Multi-channel voice alarm or device operation guidance voice

8. Voice notification of safe driving of electric sightseeing car

9. Automatic alarm for mechanical and electrical equipment failure

10. Fire voice alarm prompt

11. Automatic broadcasting equipment,

regularly broadcasting Links to relevant information:

http://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299