是一个简易的密码锁代码，有基本的密码验证，密码修改等等功能！希望可以帮助有需要的朋友们...

一个对4X4数字键盘进行行&列扫描,获取扫描码的程序,支持符合键,串键,软件去抖.-one pair of 4x4 digital keyboard ranks scanning, access code scanning procedures, with key support and collaborate keys, software to tremble.

msp430I2C通信读AT24C02，编译通过-Reading msp430I2C communications AT24C02, compiled through

usb编程器的全部资料，包括上位机程序及下位机源程序 支持编程器类型 1,多种并口（可以自定义）编程器（并口串行） 2,USBPROG编程器（usb串行） 3,并口并行编程器 4,usbasp 扩展功能 1,串口调试,超级终端 特色： 1,速度较快(16k程序): 并口 读11秒 写11秒；USBPROG读2秒 写2秒。 2,USBPROG根据目标cpu自动调整三种下载速度(8k,187.5k,375k) 3,支持自定义ATMEL全系列cpu(avr+S5x 系列). 4,支持自定义熔丝信息提示功能 -usb programmer all the information, including procedures and PC-under-source programming support for a similar, multiple parallel port (which can be customized) programming (Serial Parallel Port) 2, USBPROG Programming (usb serial) 3, Parallel parallel programming for four, a usbasp expansion, Serial debugging, the Super Terminal characteristics : a high speed (16k procedures) : Parallel Port Reading 11 seconds was 11 seconds; USBPROG Reading 2 seconds was two seconds. 2, according to the target cpu USBPROG automatic adjustment of the three download speeds (8k, 187.5k. 375K) 3, ATMEL support from the definition of a full range of cpu (avr S5x series). 4. Fuse support from the definition of functional i

LIN协议的实现。用状态机实现。baudrate可调整，只能做slave。-SCI communication on 68hc9s08dz60 it is not a simple sending & receiving process, utilizes a state machine

】本文介绍了一个使用单片机和CPLD联合控制步进电机的方案。首先阐明步进电机的工作原理及控制方法，然后 提出了系统的软硬件设计框架，详细讨论了单片机和CPLD的逻辑接口问题和交换数据的协议，以及用状态机来设计脉冲分配器 的方法。-This paper describes a combined use of SCM and CPLD stepper motor control program. First of all, to clarify the working principle of stepper motor and control method, and then put forward a system of hardware and software design framework for a detailed discussion of the MCU and CPLD logic interface issues and data exchange agreements, as well as the use of state machine design Pulse Distributor methods.

avr单片机中TWI主机发送和主机接收程序代码

温度计的设计,单片机初学者必须程序,适用于proteus-Thermometer design, single-chip microcomputer program for beginners to be applicable to proteus

VC++环境下的延时程序。sleep函数，还有delay函数。-VC++ Environment delay procedures. sleep function, as well as delay function.

基于单片机控制的CD控制器的C语言源程序代码-CD-based single-chip controller to control the C language source code

单片机源程序,用于需要4*4矩阵键盘场合,汇汇编程序KEIL开发环境.-Singlechip source for 4* 4 matrix keyboard occasions, the assembler KEIL development environment.