C8051F040单片机CAN总线接收和发射程序，简单明了

总结前人经验,改进后的程序,虽有警告但是仍可应用.因为8个警告中有7个是因为函数定义后未调用.-Summary of previous experience, improved procedures, despite a warning but can still be applied. Because there are eight warning is because the seven did not call the function definition.

某公司安装了电子门，要设计门禁系统： 公司的雇员可以凭借密码、胸卡或指纹进入公司 计算机根据雇员的验证方式对其身份进行验证 管理员在监控室可以通过按钮直接开启电子门 访客可以按门铃请求进入，由管理员为其放行 管理员可以为新职员设置密码 -A company to install an electronic gate, to design access control systems: the company" s employees can rely on passwords, badges or finger into the company computer, authentication of the employee to verify their identity can be an administrator in the control room directly through the button to open electronic gates that visitors can rang the doorbell of the request to enter an administrator can be released by the administrator of its staff to set a password for the new

电子琴：电子琴的应用开发，是C语言版的。-dianziqin C yuyan版

IEEE754 浮点数与半浮点数相互转换-IEEE754 floating-point and semi-floating-point conversion between

单片机中用于相位差测量仪的c程序，开发环境是Iar。主要运用于430 单片机-Single-chip in for the c phase difference measurement procedures, the development environment is Iar. The main application of 430 single-chip microcomputer

基于8051单片机的GSM报警系统源代码，经测试可用，用KEIL c51 编译-8051 based on the GSM alarm system source code can be used have been tested, using KEIL c51 compiler

北京大学的单片机教程，ppT文件，要学的可以自学，-Peking University microcontroller tutorials, ppT documents, to learn to self-learning,

座机短信发送平台，LCM显示发送和接受号码显示源程序。LCM1206类型-jet sent SMS platform, LCM revealed sending and receiving numbers indicate the source. LCM1206 types

这是一个用keil-51编写的C51程序，里面含有温度控制的PID核心算法，这为温度的精密控制提供了保证，同时有液晶12864的驱动，而且有PCB电路图，供大家学习和参考。-This is a written with keil-51 C51 program, which contains the core PID temperature control algorithm, which is the precise temperature control can be ensured, while an LCD 12864 driver, but also PCB circuit, for your study and reference.

c8051f340双串口通信源码/ -dual serial communication c8051f340 source /