1602液晶使用，用于显示字符型数据，附有编程思路好小结，便于阅读。
1602 LCD used to display character data, with a good summary of programming ideas, easy to read. (2009-08-11, Objective-C, 33KB, 下载2次)
通过protues和keilc编程仿真实现8255功能
Protues and programming through keilc functional simulation 8255 (2009-07-08, Objective-C, 51KB, 下载19次)
使用单片机控制AD9851输出正弦波，使用AT24CXX存储相应的频率信息，可以实现在线编程
Control the use of single-chip AD9851 output sine wave, using the corresponding frequency AT24CXX stored information, can be achieved online programming (2009-02-04, Objective-C, 8KB, 下载18次)
这是锁相环芯片MC145170程序，单片机是用at89s52的
This is the procedure MC145170 PLL chip, microcontroller AT89S52 is the (2008-04-24, Objective-C, 29KB, 下载78次)