基于音频芯片声音模块数模输出资料V1.2

代码说明：

  只有音频采集模块的软硬件，不包括主控制板部分，软件编程使用的Keil软件，有相应的注释，便于学习。(Only the hardware and software of the audio acquisition module, excluding the main control board, are included. Keil software is used in software programming. It has corresponding annotations for easy learning.)