芯片at89s52，在上面完成一些如led 点阵 PS键盘 串口 等基本操作 对于初学51的有参考价值...

一个以PDIUSBD12为USB控制器件的应用例程。-PDIUSBD12 a USB device control routines.

几个有用的子程序,其中包括ds1302,x5045, tlc2543和12864液晶屏的驱动-several useful routines, including ds1302, x5045, tlc2543 and 12,864 LCD driver

还不错的LCD点阵提取程序,提供一些基本图案.-Dot matrix LCD is also good extraction procedures, to provide some basic patterns.

lcd1602液晶的avr测试实例程序，带proteus仿真。winavr 编译-lcd1602 LCD avr the test sample program, with proteus simulation. Winavr compiler

ok!The program is very good!

单串口8051内核单片机模拟双串口程序源代码-8051 single-core single-chip serial analog dual serial source code

对充电过程进行更精确的监控，以缩短充电时间、达到最大的电池容量，并防止电池损坏-Charging process of a more precise control, so as to shorten the charging time to reach the largest battery capacity, and to prevent battery damage

LPC2378，共阴8位数码管显示测试程序，下载后可直接编译调试-LPC2378, a total of eight digital negative display testing procedures can be downloaded directly compile debug

介绍了集成温度传感器AD590，给出了AD590测量热力学温度、摄氏温度、两点温度差、多点最低温度、多点平均温度的具体电路，并以节能型温、湿度控制系统为例介绍了利用AD590测两点温差电路的应用。-Introduced an integrated temperature sensor AD590, given AD590 measuring thermodynamic temperature, Celsius temperature, two temperature difference, multi-point minimum temperature, average temperature of the specific multi-point circuits, and to energy-efficient temperature and humidity control system as an example, introduced the use of two AD590 temperature measurement circuit applications.

具有多重功能的Ｃ程序，用于倒计时使用。 人行，车行自动识别．-Multi-function C procedures for the use of the countdown. People