一些Ｃ语言单片机程序，有很强的实用性，对初学者很

整个控制过程中最关键的部分是与PC和终端的通讯过程。有关两方面通讯的详细的协议参见PC和终端的文档-51

MC9S12DG128B，包含了时间中断、光电检测、舵机控制、电机驱动、实时控制等功能。有相关注释。-MC9S12DG128B, includes a time interrupted, photoelectric detection, steering control, motor-driven, real-time control functions. Relevant Notes.

51单片机串行口初值计算器，51单片机定时初值计算器。等多种小软件。-Initial value of 51 single-chip serial port calculator, timer initial value of 51 single-chip calculator. And many other small software.

HT1622驱动程序，可以用于驱动液晶显示-HT1622 driver, can be used to drive liquid crystal display

crc校验源码，可供C51程序员参考，我目前测试用的32位CRC程序-crc check source code, programmer"s reference for C51, I am currently testing 32-bit CRC procedures

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,

硬盘MP3电路图,-Hard Drive MP3 schematics,

C51 TIMER 0的使用 Timer_0_mode_1_timer_gate_hard-C51 TIMER 0 use Timer_0_mode_1_timer_gate_hard

串口调试程序，接收FLOAT的4BYTE并解析显示，常用于单片机开发-Serial port debugger, receive FLOAT(4BYTE)and parse it to show that commonly used in MCU development

AVR单片机应用系统开发典型实例_3 -AVR Singlechip classic example of application systems development _3