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微电脑倒计时器
- C51常用子程序(下载后压缩,用word打开,复制到51编译器中编译!!)-C51 common subroutine (download compressed using word opened, copied to 51 Compiler Compiler! !)
signal_controller
- 基于51的交通信号灯控制程序，具备了信号灯要求的所有功能如数字倒计时、色条倒计时、闪烁提醒等。-based on 51 traffic lights control procedures, with the lights all the required functions such as digital countdown, the color of the countdown, the flashing reminders.
traffic_lights
- 1、 南北和东西方向各有一组绿、黄、红灯，绿灯黄灯和红灯的持续时间分别为20秒、5秒和25秒，控制器控制交通灯的颜色按照交通规则进行变化.. 2、 2、用两组数码管，以倒计时方式显示两个方向允许或禁止通行的时间； 3、当有特殊情况（如消防车等）时，两个方向均为红灯，倒计时停止，当特殊情况结束后，控制器应返回原状态，继续正常运行； -a north-south and east-west direction at a group of green, yellow, red, green
24miao
- 24秒倒计时系统（有跑马灯） 利用CPLD-24 seconds remaining systems (5,250) using CPLD
S6_2
- 交通灯的单片机程序，有黄灯闪烁功能，有倒计时功能-traffic lights SCM procedures, the yellow light blinking functions, the function of the countdown
999daojishi
- 999秒倒计时程序，51单片机例程，带有实验说明文档。-999 seconds countdown procedure, 51 MCU routine, with the experimental documentation.
djs
- 51单片机999秒倒计时程序，为初学51单片机者提供一个很简单的程序-51 SCM 999 seconds countdown program for beginners 51 MCU to provide a very simple procedure
dgndingshiqi
- 实现了多功能电子定时器，包括计时，99秒倒计时和定时等功能。-Realize multi-function electronic timer, including the timing, 99 seconds countdown timer functions.
daojishi
- 基于单片机的倒计时程序，从99到0的倒计时，C语言版-Countdown procedure based on single chip, the countdown from 99 to 0, C language version
daojishi
- 基于AT89S52的简单倒计时器，可以自行修改倒计时的启示时间。-AT89S52 based on a simple countdown timer, you can modify the countdown' s revelation time.
60sdaojishi
- 0到60秒倒计时的设计开发 有原理图 有设计程序等等 要的下在-0-60 seconds countdown design and development of a schematic design process, and so to have the next
24秒倒计时篮球计数器设计（protues软件仿真）
- 篮球24s计时器设计multisimwo我只想在这个网站下一个文件啊(basketball 24s multisim multisim multisim)
数字定时器
- 0-99分倒计时，可以设定初始时间，，在c8051f410板上开发(0-99 minutes countdown, you can set the initial time, developed on the C8051F410 board)
139-实用99分钟倒计时器
- 单片机制作的数字倒计时器，工作平台AT89C51单片机及数码管(A digital countdown timer produced by single chip microcomputer)
一分钟倒计时
- 可实现倒计时1分钟，最后一秒倒计时时间到蜂鸣器响(One second countdown time to the buzzer)
counter20171221
- 篮球24秒倒计时项目，按下Start按钮，倒计时开始运行，数码管显示秒数值，结束时，LED灯亮。(Project for Basketball 24 seconds count down. After pressing the Button of Start, the project product will display detail seconds value on the 7 Segment LED. At the end,the yellow LED will be turn on.)
【实验50】一分钟倒计时
- 通过单片机以及定时器功能，实现一分钟倒计时的功能。(Through single-chip microcomputer and timer function, we achieve the function of one minute countdown.)
电子琴和倒计时播放音乐
- 文件内有电路原理图，可以播放音乐，具有倒计时功能
秒表
- 输入一个给定的时间，然后按照这个时间进行倒计时(Enter a given time and then countdown at this time.)
基于stc15芯片的20s倒计时（程序+原理图+pcb）
- 基于stc15芯片的20s倒计时（程序+原理图+pcb）(20s countdown based on stc15 chip (program + schematic diagram + pcb))