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用8255,8253,8259实现的具有显示时分秒的电子时钟.
用8255,8253,8259实现的具有显示时分秒的电子时钟.-With 8255,8253,8259 realize is displayed every minute with an electronic clock.
- 2022-05-06 16:25:44下载
- 积分：1
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（1） 有一个主持人控制开关和8路抢答按扭，当主持人允许抢答时才能进行抢答操作，并用一个数码管显示抢答选手的号码，同时其他选手不能再抢答。
（2）电路上...
（1） 有一个主持人控制开关和8路抢答按扭，当主持人允许抢答时才能进行抢答操作，并用一个数码管显示抢答选手的号码，同时其他选手不能再抢答。
（2）电路上要加个蜂鸣器的电路，当有选手抢答时蜂鸣器响一下。
（3）要有倒计时功能，开始抢答时开始倒20秒计时，用两个数码管显示，当有人抢答时停止倒计时。
2.2拓展部分
用按键可设置倒计时的时间，范围在5秒到30秒之间。-(1) has a host switch and 8-way control button to answer in, when the moderator allowed to be carried out to answer in time to answer in operation, and use an LED display to answer in the number of players, while other players can no longer answer in his place. (2) the circuit, we should add a buzzer circuit, when there are players when the buzzer rang to answer in about. (3) to have the countdown feature to begin to answer in 20 seconds when you start down time, using two digital tube display, when someone stops to answer in the countdown. 2.2 The expansion of part of the buttons can be set with the countdown time, the range of 5 seconds to 30 seconds.
- 2022-02-25 13:31:03下载
- 积分：1
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NFO viewer by tE![TMG]
NFO Viewer by tE! [TMG]
- 2020-06-21 00:20:02下载
- 积分：1
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迪文触摸屏os汇编程序数据库存储时间寄存器读写
说明： 文件包括asm源程序及宏定义文件，迪文触摸屏os汇编程序，数据库读写以及密码修改判断保存等，时间寄存器的读取以及转换，保存主界面数据记录到flash存储读取主界面数据记录到触摸屏数据存储地址，用于记录查看。源程序里有注释，结构比较简单。(DWIN touch screen OS assembler, database reading and writing, password modification, judgment and saving, save the main interface data record to flash storage, read the main interface data record to the touch screen data storage address, for record viewing.)
- 2020-10-10 16:47:33下载
- 积分：1
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一系列与Win32管理系统类，很简单
一个用WIN32编的班级管理系统，很简单的-A series of classes with WIN32 management system, very simple
- 2022-11-20 22:05:04下载
- 积分：1
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该源代码能够实现任意三角形的剖分，功能很强大，希望对各位有所帮助...
该源代码能够实现任意三角形的剖分，功能很强大，希望对各位有所帮助-The source code to achieve arbitrary triangle mesh, features a very powerful, and they hope to help you
- 2022-02-04 20:50:25下载
- 积分：1
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单门读卡控制器的 设计程序，主要对em读卡机的设计提供可靠的 资料。...
单门读卡控制器的 设计程序，主要对em读卡机的设计提供可靠的 资料。-Single door reader controller design process, mainly em card reader designed to provide reliable information.
- 2022-12-21 12:50:03下载
- 积分：1
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tv controller
电视pic控制器，pic项目，十六进制代码，pic代码，免费pic代码项目，所有pic项目代码电视控制器
- 2022-07-02 02:41:51下载
- 积分：1
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asm_traffic_light
汇编实现交通灯，doc文件，里面有源代码和注释。(Compilation realize traffic lights, doc file, which source code and comments.)
- 2013-07-27 14:40:16下载
- 积分：1
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Debugging through a serial port
调试通过了的基于89S51的串口芯片1307和24C02的程序-Debugging through a serial port-based 89S51 chip 1307 and the 24C02 procedure
- 2022-09-06 05:50:03下载
- 积分：1
