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, support 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 button control mode
5. The broadcast language insertion function, you can pause the background music that is playing. After the ad is played, return to the background sound to continue playing
6. The audio data is sorted by folder, supporting 100 folders at most, and 255 tracks can be assigned to every folder
7. 30 levels of volume adjustable, 6 levels of EQ adjustable
Application range:
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 offices
5. Voice prompts for vehicle entry and exit channel verification
6. Voice prompts for border inspection channels
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 alarm prompt
11. Automatic broadcast equipment, regular broadcast
Product description:
1. Can be directly connected to speakers
2. The module can be used alone with the power supply battery, speakers, and buttons, or can be controlled through the serial port, as a module of UNO or any single-chip microcomputer with a serial port
3. The module itself perfectly integrates the hard decoding of MP3, WAV and WMA. At the same time, the software supports TF card driver, supports FAT16, FAT32 file system
4. 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 cumbersome underlying operations, easy to use, stable and reliable