Pwm_trigger

该程序作用：将后缀为了；lrc的歌词文件，转换成 ulead 会声会影10.0 中的歌词导入文件（后缀为utf)。使用方法：先在文件中打开 .lrc 文件，然后开始转换，完毕可以查看结果，转换后的文件以 .utf 保存在同一目录下。(role in the procedure : To suffix; Lrc lyrics documents, converted into 10.0 ulead Huiqinghuiying the lyrics into paper (suffix for utf). Use : first opened in the document. Lrc file, and then started to change, can view complete results conversion of documents to. utf preserved in the same directory.)

点阵LED、数码管、独立LED和无源蜂鸣器的驱动模块(Dot matrix LED, digital control, independence and passive buzzer LED driver module)

基于51单片机的PT2314音频功放程序，可实现MIC和音频输入切换及音量音调控制，并用5110显示(Based on 51 single-chip audio amplifier PT2314 program can achieve MIC and audio input switching and volume tone control and display with 5110)

涵盖温控调速散热器所有源代码！哈尔滨工程大学；经典实用。(All source code to cover the thermostat governor radiator! Harbin Engineering University classic and practical.)

ACR38智能读卡器测试用：芯片IC卡等(ACR38 Smart Card Reader test: IC card, etc.)

DS18B20温度换算器，可以检验单片机传感器检测出来的值。注意，是VB.net源码。(DS18B20 temperature converter, you can test the value of single-chip sensor detects.Note it is VB.net source.)

YL_3串行数码管显示时钟，74HC595，8位，显示时分秒，自动计数。(YL_3 serial digital display clock, 74HC595, 8 bit display minutes and seconds, automatic counting.)

上位机，与51单片机进行通信，将从单片机发送过来获得的信息显示在显示界面上。(PC, with 51 single-chip communication, sent from the information obtained from the microcontroller is displayed on the display screen.)

static members source code for object oriented environment

单片机播放 音乐 是学习的好资料 音频学习