stc89C51读写AT45DB041的源码，实现了数据手册中的所有命令

这是一个红外报警系统，该系统通过555调制红个发光管，发出38KHZ的红外信号，对面使用一个红外接收头接收信号用来检测是否有人通过，如果有，则声光报警，-This is an infrared alarm system, which modulator 555 through a red light-emitting tube, issued 38KHZ IR signal, opposite to the first use of an infrared receiver to receive signals to detect whether or not it was passed, if so, make a sound light alarm,

有关液晶点阵的单片机程序，希望对初学者有一定的用处，大家看了就知道了。-the SCM process, and I hope to have some beginners use, we read will know.

c8051f120_ad采样程序 ，很好用的-c8051f120_ad sampling procedures, well used

模拟接受max7219的数据，主要是原系统升级，需要将原单片机驱动7219的数据接受并分析数据及命令。-simulation accept the data, major upgrade of the original system, the need for the original Microprocessor 7219 data accept and analyze data and orders.

SE-Candence SOC Encounter工具使用设计流程，源于一项项目-SE-Candence SOC Encounter tool design process, from a project

8051的WEB服务器-8051 Web Server

MOXA 串口驱动编程-MOXA serial-driven programming

P87C591的a/d 转换程序，可在keil 51下调试运行，也可将其参数修改后作为函数使用。-P87C591 the a/d conversion, in the next 51 c51 debugging operation, but also its parameters can be modified as a function use.

设定80C51串行异步通讯的波特率-set 80C51 serial asynchronous communication baud rate

四相步进电驱程序，能够实现电驱的运转速度的控制。-4-phase stepper electric drive program, to achieve the operation of electric drive speed control.