用于单片机的开发 用modbus协议 实现上位机与下位机的通讯

89s51与CS5532应用，模拟SPI通信，初始化及接受-89s51 with CS5532 applications, simulation SPI communication, initialization and acceptance of

基于51单片机的数字钟程序，实现了闹铃校时两个功能，用Keil C编写-SCM digital clock procedures, the alarm function of two schools, with the preparation of Keil C

LPC的一个小试验源码,你不妨可以试试，-lpc xiaoshiyandeyuanma nikeyishishi

利用LPC2131做的ZLG7290显示程序，采用IIC总线！-LPC2131 make use of the ZLG7290 display procedures, the use of IIC bus!

this a store management system-this is a store management system

本设计主要是运用单片机设计一个最小系统――电子时钟，它具有24小时计时功能，能够对时间进行调整，并且能实现时、分、秒的显示，同时还有内设闹钟，时间到时候会响铃，响铃时可以通过按键控制延时再启动或关断。与此同时还设置了整点报时功能；并采用采用了软件去抖的方法扫描键盘，动态刷新显示数码管，并通过查表实现译码输出时间等编程方法；-This design is the use of single-chip design of a minimum system- Electronic clock, it has a 24-hour timer function, capable of time to adjust, and can achieve the hours, minutes and seconds display, but also equipped with alarm clocks, time to When ringing the bell to ring when the button control can delay re-start or shutdown. At the same time also set up the whole point timekeeping function and adopt the use of the software to scan the keyboard shaking method, dynamic refresh display digital tube, and through the realization of decoding look-up table output time programming method

4x5的键盘扫描,一个实用的单片机键盘程序-4x5 keyboard scanning, a practical single-chip microcomputer keyboard procedures

设计要求 1）. 抢答器同时供 8名选手或 8个代表队比赛，分别用 8 个按钮 S0 ~ S7 表示。 2）. 设置一个系统清除和抢答控制开关 S，该开关由主持人控制。 -sfjsdhafjhsadjkfhadjskffjksdfhjsdfdfsdfdsafdsfdsfdsfdsfdsf

多通道AD转换演示程序 MCU:MEGA8 晶振:内部RC(INT) 8MHZ -Multi-channel AD converter demo MCU: MEGA8 Oscillator: Internal RC (INT) 8MHZ

protues64X16四个汉字点阵仿真-the four Chinese characters protues64X16 lattice simulation