LED lights lit, C language, you can run keil. Achieve the first of a small non

正弦信号发生器DDS AD9850 正弦信号发生器ad9850实际键盘（经典）-Sinusoidal signal generator signal generator sine DDS AD9850 actual keyboard AD9850 (classic)

在LED上显示中文汉字的源代码，采用汇编语言，对于入门者帮助很大。-LED display Chinese characters in the source code, using assembly language is very helpful for beginners.

当按下开关SP1，AT89S51单片机产生“叮咚”声从P1.0端口输出到LM386，经过放大之后送入喇叭。 -When pressing the switch SP1, AT89S51 Single-chip a " ding dong" sound from the output port P1.0 to LM386, after amplification into speakers after.

用8个数码管，用一片48和一片138控制 的子程序，-with eight digital control with a 48 and a control subroutine 138,

这个是AVR的1602B字符型LCD模块-this is the AVR 1602B character LCD module

以比较匹配A达到时交替输出高低电平及写入其维持 时间常数之方法实现脉宽调制输出-to compare A match reached the turn at the high output and low-level maintenance time into their methods to achieve constant PWM Output

C51汇编必做试验7 -- 通过串行口与PC机通信（上位机控制的必备）-C51 compilation of tests must be done 7- through the serial port with the PC, communications (Host Computer Control Essential)

16键盘程序，按任何一个键都可以返回相应的键值，可以下载，绝对好用！-16 keyboard procedures, any key that one can return to the corresponding keys, can be downloaded for absolutely everything!

AVR单片机MEGA128-UART的程序原代码-AVR Singlechip MEGA128-UART procedure for the original code

美国TI公司的protel 元器件库，在应用中需要更新，本人收集了最新的版本共30M，为提高上传速度分六次上传。文件名依次为TI_1到TI_6。希望大家设计电路板时少走弯路。由于在上传时找不到分类，所以归结为书籍一类-TI" s U.S. Treasury protel components, need to be updated in the application, I collected a total of up-to-date version of 30M, to improve the upload speed upload six hours. File name followed by TI_1 to TI_6. Hope that the design of circuit board less detours. From when can not find in the classification, it comes down to a class of books