相关参考文献本文介绍了一种基于STM32单片机的MP3播放与录音系统的设计实现。该系统具有录音、播放、播放设置等功能可以通过按键进行设置。在LCD1602液晶显示屏上显示录放的状态录音过程中状态指示灯常亮。录音完成后可以通过播放按键在按键模式下触发播放。播放设置按键可以进行自动播放选择和按键触发播放选择上电默认按键触发；自动模式下循环播报录制的声音。该系统具有简单、实用、易操作等特点可以满足用户的

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