DFPlayer Mini is a compact and affordable MP3 module that can be directly connected to speakers. The module can be used alone with power batteries, speakers, and buttons, or can be controlled through a serial port, as a module of Arduino UNO or any microcontroller with a serial port. The module itself integrates hard decoding of MP3, WAV, and WMA. At the same time, the software supports TF card drivers and FAT16 and FAT32 file systems. By using simple serial commands, you can complete functions such as playing specified music and how to play music, without the need for tedious low-level operations. It is 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 supports FAT16 and FAT32 file systems, supports up to 32GB TF cards, supports 32GB USB drives, and 64M bytes of NORFLASH
4. Multiple control modes are available. IO control mode, serial port mode, AD button control mode
5. The broadcast language insertion function can pause the background music that is currently playing. After the advertisement is played, return to the background sound and continue playing
6. Audio data sorted by folder, supports up to 100 folders, and can be assigned 255 tracks per folder
7. Level 30 volume adjustable, Level 6 EQ adjustable
application
1. Car navigation voice broadcast
2. Highway transportation inspection and toll station voice prompts
3. Voice prompts for safety inspections at train and bus stations
4. Voice prompts for power, communication, and financial service halls
5. Voice prompts for vehicle entry and exit channel verification
6. Voice prompts for border inspection channels
7. Multiple voice alarms or device operation guidance voice
8. Voice announcement for safe driving of electric sightseeing vehicles
9. Automatic alarm for mechanical and electrical equipment failure
10. Fire voice alarm prompt
11. Automatic broadcasting equipment, scheduled broadcasting
