SM903 alarm host source can be directly Shao Xie

电子秒表的设计 1、用系统8253定时器提供的55ms定时单位，设计秒表定时程序。 2、有关系统定时方法： PC机系统中的8253定时器0工作于方式3，外部提供一个时钟作为CLK信号, 频率：f=1.1931816MHz。 定时器0输出方波的频率:fout=1.1931816/65536=18.2Hz。 输出方波的周期Tout=1/18.2=54.945ms。8253A每隔55ms引起一次中断-Electronic stopwatch design one, using the system timer 8253 provides 55ms timing units, design stopwatch timing procedures. 2, the system timing method: PC system timer 0 of 8253 working in the way of 3, to provide an external clock as the CLK signal, the frequency: f = 1.1931816MHz. Timer 0 output square wave frequency: fout = 1.1931816/65536 = 18.2Hz. Cycle square wave output Tout = 1/18.2 = 54.945ms. 8253A every 55ms caused a disruption

以ARM7TDMI-s为核，LPC2200开发板为硬件开发环境通信源码-to ARM7TDMI-s nuclear, LPC2200 development board for the communications hardware development environment FOSS

走马灯程序 一组IO口8个灯 另外带加速减速功能 初学单片机编写的 硬件测试通过 -Procedures for a group of IO lantern mouth with the other eight lights accelerate the slowdown in the preparation of functional single-chip hardware novice test

本程序是基于89C51的足球换人牌的功能实现-This procedure is based on the 89C51 football Substitution realization of the function card

51单片机的FIFO(先入先出)循环队列实现-51 SCM FIFO (first-in-first out) Revolving Queuing

学习使用，例子中IO口看实际情况改变！望对大家有帮助-learning, I IO example, depending on the actual change! We are looking for help

Keeloq Workshop simple

AT45D081/AT45DB021/AT45DB0xx驱动程序(C语言)用于大型存储的串行Flash-AT45D081/AT45DB021/AT45DB0xx Driver (C language), used in large-scale storage of Serial Flash

24e1的无线通讯原程序,可以从该原码中,学习到怎样做利用24E1来做无线开发-24e1 wireless communication original procedure, from this original code, how study does using 24E1 does wireless develops

单片机加无线模块NRF24l01实现其双向通信功能