485 are way communication. Through 485 to control a group of light switches.

USB Pad test source code with SL811 usb host ic

移植到51单片机的UIP代码，可以用51实现TCP/IP功能-Transplanted to 51 Singlechip UIP code, can be used 51 achieve TCP/IP functionality

ASC 信号机控制程序,国内最先进的信号机控制程序-ASC signal control procedures, the most advanced signal control procedures

《多功能电能表通信协议》补充文件（修改），DLT-645-2007规约-" Multi-function Watt-hour meter communication protocol" supplementary document (revised), DLT-645-2007 Statute of the

i2c驱动，可用于驱动具有i2c接口的存储芯片-i2c-driven, can be used to drive with a i2c interface memory chips

这是一个关于秒表倒计时的程序，写的很经典，拿来就可以用-It is a countdown on the stopwatch program, written in a very classic, brought can use

ad 转换　５１编程事例　值得学习以下对出学者有用 -ad converter 51 programming examples worth learning from the scholars of the following useful

各种款式液晶显示程序，包括1602、240180、st7920字库液晶、12232、240128、12864等多款液晶的显示例子，极具参考价值-Liquid crystal display a variety of styles procedures, including 1602,240180, st7920 LCD font, 12232,240128,12864 such as liquid crystal display several examples of great reference value

ds2482-100是IIC协议转1-wire协议的接口芯片。本程序包利用ds2482-100操作温度传感器ds18s20。注意：ds18s20初始化后温度值为85摄氏度，必须多读几次温度以便其显示稳定。另外，文件中包含的一些头文件可以顾名思义，都是比较通用的（如IIC软件包），为节省篇幅，没有包含进来。请在 编译时自己根据接口函数添加。-ds2482-100 is IIC agreement to 1-wire agreement interface chip. The packages use ds2482-100 ds18s20 operating temperature sensor. Note : After initialization ds18s20 temperature of 85 degrees Celsius, to be read several times the temperature to show its stability. Also, the document contains a number of header files can name suggests, are relatively common (eg IIC package), To save space, are not included come. Please compiled under its own interface function was added.

以上程序使用PIC12C508单片机，内部4MHZ时钟，4脚输入50HZ脉冲信号，7，6，3脚（GP0，GP1，GP4端口）为输出口。其中渐变部分是让灯慢慢的变亮（或灭--It uses PIC2C508 SCM, 4MHZ clock, 4 port is for inputting 50HZ signal, 7/6/3 port for output.