通过单片机对HT9170进行控制，实现对音频信号的解码。

我老师为上课开发的单片机测试源程序，怎么可能“文件已存在”？-my teacher for the class of MCU development test program, how likely "file already exists?"

利用单片机、HD7279、键盘，实现计时器、倒计时器。-The use of single-chip, HD7279, keyboard, realize the timer countdown device.

uCOS-II 2.52在51上的移植程序(大模式).rar-uCOS-II 2.52 of the 51 on the transplantation procedure (large model). rar

程序包括的内容是常用的AD0809演示程序，读者可以很容易将此代码移植到自己的系统上。-Procedures, including the contents of the AD0809 is a commonly used presentation program, readers can easily transfer this code to your system.

51联合adc0804测电压程序。可以测0`5V电压,精确到千分位4位数码管显示。-51 Joint adc0804 voltage measurement procedures. 0 `5V can be measured voltage, accurate to four spaces per thousand digital tube display.

51单片机多功能原程序KASHDADSKNFILSDHSCMSKMNKJH-ATMER S51

UPD6122-002红外线接收8051汇编程序.-UPD6122-002 infrared receiver 8051 assembler.

这是一个关于数码管移动的程序，非常好用，适合于初学者-This is a movement on the digital control program, very easy to use, suitable for beginners

C51源程序，实现IAP功能，可实现嵌入式系统的自主学习功能

点亮键盘灯,-Lit keyboard lights,