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MP3 Module is one of our self-developed modules inspired from JQ6500-24SS MP3 chipset of Jiaqiang Electronics. It supports SD cards for FAT16, FAT32 file systems and SPI Flash updates via PC. Via some very simple serial commands to control music playback, it owns the characteristics of easy operation and stable performance. Additionally, with an external headphone (PH) and an external speaker (SP), the MP3 Module provides more interfaces and utility.
Supports sampling rates (KHz):8/ 11.025 /12 /16 /22.05 /24 /32 /44.1/48
24 bit DAC output, dynamic range supports 90dB, SNR supports 85dB
Fully supports FAT16、FAT32 File System， maximum supports 32G TF card,32G U disk , 64M bytes of NORFLASH
Variety of control modes, serial mode, AD key control mode
Broadcast language spots feature, you can pause the background music being played
30 levels volume adjustable, 10 levels EQ adjustable.
Plug spi flash, and connecting to PC can display spi flash Letter to update contents.
Controlled by the microcontroller serial port to play the specified music
In Key mode, you can select the play mode: pulse can be repeated, the pulse can not be repeated, maintaining the level of non-recyclable, maintaining the level of recyclable.
Audio data is sorted by folder, and supports up to 100 folders, every folder assigned to 1000 songs
Car navigation voice broadcast
Highway transport inspection, toll station voice prompts
Train station, bus station security check voice prompts
Electricity, communications, financial business hall voice prompts
The voice prompts for verification of vehicles into and out of the channel
Public security frontier channel voice prompts
Multi-channel voice alarm or equipment operating guide voice
Electric sightseeing cars safe driving voice notices
Electromechanical equipment failure alarm
Should the music not play successfully, follow the steps to check what’s going on. First, check if your SD card file system is for FAT16 / FAT32 file system; Second, check if your SD card exceeds the maximum capacity of 32G; Third, check if you have stored music files into the SD card. If all these don’t help, you can try formatting the SD card and re-place the music files.