Description

Overview

DFPlayer Mini is a compact and low-cost MP3 module that can be directly connected to speakers. The module can be used alone with the power supply battery, speaker, and buttons, or can be controlled via serial port, as a module of Arduino UNO or any single-chip microcomputer with serial port. The module integrates hard decoding of MP3, WAV, and WMA. At the same time, the software supports TF card drive and supports FAT16 and FAT32 file systems. Through simple serial port commands, you can complete the functions of playing the specified music and how to play the music. There is no need for tedious low-level operations, easy to use, stable and reliable.

Technical specifications

1. Support 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, maximum support 32G TF card, support 32G U disk, 64M byte NORFLASH

4. Multiple control modes are available. IO control mode, serial port mode, AD button control mode

5. The broadcast language interrupt function, you can pause the background music being played. After the ad is played, return to the background sound to continue playing

6. The audio data is sorted by folders, up to 100 folders are supported, and 255 tracks can be allocated every folder

7, 30 levels of volume adjustable, 6 levels of EQ adjustable

application

1. Car navigation voice broadcast

2. Highway transportation inspection, toll station voice prompt

3. Voice prompts for safety inspections at railway stations and bus stations

4. Voice prompts for power, communications, and financial business halls

5. Voice prompts for vehicle entry and exit channel verification

6. ** Voice prompt for border inspection channel

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

8. Voice notice for safe driving of electric sightseeing cars

9. Automatic alarm for mechanical and electrical equipment failure

10. Fire voice alarm prompt

11. Automatic broadcast equipment, regular broadcast