MCS51单片机实用子程序-MCS51 practical Subroutine

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

sht11 与51单片机驱动c代码 t11 与51单片机驱动c代码-sht11 connected to mcs51g

学习430单片机的必备东西，超经典，一步一步教你学会430单片机IAR开发工具。-430 single-chip learning essential things, ultra classic, learn to teach you step by step, 430 single-chip IAR development tools.

单片机控制I2C高频头！！能自动搜台，可红个遥控-Single-chip tuner I2C control! ! Can automatically search and Taiwan can be a red remote control

DS1302的驱动程序。主程序用C语言编写，驱动用汇编编写。用KEIL C编译通过。-DS1302 drivers. Main program with C language, drivers used to prepare the compilation. Using KEIL C compiler through.

一个很好用的密码锁程序，MCU用的是EM78P447，经试用非常可靠，提供给想学习EMC的用户使用，如有需要原理图的请发邮件到micheal23@sohu.com,注：需注明LOCK原理图-good with a password lock procedures, the MCU is EM78P447, tested very reliable, available to want to learn EMC users, if necessary schematic please send mail to micheal23@sohu.com, Note : LOCK be annotated diagram

c51的一个字节颠倒程序-byte of a reversal procedure

STC89C58RD+的内部EEPROM读写程序-STC89C58RD+ Internal EEPROM read and write procedures

单片机控制串口鼠标芯片范例，实现方向判断和数值计算功能-SCM serial mouse chip sample, judge and realize the direction of numerical functions