The voice recognition part is realized by software programming, the microcontroller is controlled by communicating with serial port, it can successfully realize to control the LED and voice broadcast.
语音识别部分由软件编程实现，通过串行口编程进行通信，控制单片机，它成功实现控制发光二极管和语音播放的目的。
The microcontroller and computer can easily communicate through serial port, thus the system can be controlled by user with computer.
单片机和上位机之间通过串口通信，可以用计算机操纵整个系统。
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