Spot Open Source Mini MP3 Player Mini Player Development Module Quality Online
Product Descriptions：
This is a compact and affordable MP3 module that can be directly connected to speakers. The module can be used separately with the power supply battery, speaker, and buttons, or can be controlled through a serial port as a module for Arduino UNO or any microcontroller with a serial port. The module itself integrates hard decoding of MP3, WAV, and WMA. The software also supports TF card drivers and supports FAT16 and FAT32 file systems. Playing specified music and how to play music can be completed through simple serial port commands, without the need for tedious low-level operations. It is easy to use, stable and reliable.
Technical specifications
1. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.4/48
2. 24 bit DAC output, dynamic range support: 90dB, signal-to-noise ratio support: 85dB
3. Fully supports FAT16 and FAT32 file systems, supports 32GB TF cards, supports 32GB USB drives, and 64MB NORFLASH
4. Multiple control modes are available for selection. IO control mode, serial port mode, AD key control mode
5. The radio 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, supporting up to 100 folders, with 255 tracks allocated per folder
7. 30 levels of volume adjustable, 6 levels of EQ adjustable
