LED段码计算工具，增加了方便的功能 NEW

基于at89c52的乒乓球游戏系统，全部通过lcd菜单选择，通过proteus仿真（绝对可行）-err

由C语言编写的模拟时钟,不需要时钟芯片即可准确显示-prepared by the C language simulation clock, clock chip can not accurately

双音频解码器MT8870的驱动，用串口接收数据，可从串口调试器查看接收的数据-dual audio decoder di drives with Serial receive data from the serial debugger view of the data received

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

Proteus中12864LCD驱动实例原理图和源程序。-Proteus were driven 12864LCD example diagram and the source.

对于学习，使用PCI单片机来开发的人有参考价值,PCI编程使用技术资料-For the study, the use of PCI microcontroller to develop people have reference value " PCI programming using the technical information"

DS18S20是一种典型的1-Wire总线接口温度传感器，由Dallas Semiconductor公司生产。DS18S20数字温度传感器提供了9位高精度的摄氏温度测量，同时具有非易失性、用户可编程上下触发门限的报警功能。由于其独特的1-Wire总线接口，使得其可以占用极少的I/O引脚资源，使用起来十分方便-DS18S20 is a typical 1-Wire bus interface, temperature sensor, manufactured by Dallas Semiconductor. DS18S20 digital temperature sensor provides high-precision 9 Celsius temperature measurement, both non-volatile, user-programmable upper and lower trigger threshold alarm. Because of its unique 1-Wire bus interface, making it can take up very little I/O pin resources, is very convenient to use

收音头程序+VFD驱动+遥控接收(LC72130+LA1823)-first radio remote control procedures VFD driven reception (LC72130 LA1823)

这个程序用于单片机和无线传输芯片CC2500之间的传送，包括发送，驱动，接收等完全的程序-This procedure for single-chip and wireless transmission between the CC2500 chip, including the transmission, drive, receive a complete program, etc.

单片机模拟串行通讯程序at89c2051串口,经KEIL测试OK。-microcontroller simulation serial communication program at89c2051 serial, KEIL tests OK.