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射频收发两用机用于心电和氧气检测

这是一个小时计的程序，里面还有图片，可以按着做，很适用，-This is an hour of the procedure, along with pictures, can be according to do, it is applicable,

采用AT89C52为控制核心，实现了实现了7位数范围内的数学运算，整数、小数和负数皆可，并可以计算函数。还具有时钟日历和密码功能。-AT89C52 to control the use of the core to achieve the realization of the seven-digit within the scope of mathematics, integer, decimal and negative Jie Ke, and can calculate the function. Also has a clock calendar and password functionality.

国家标准――电力线载波系统设计导则-national standards-- Power Line Carrier System Design Guide

IAR 环境 LPC2478 的串口程序-IAR environment, LPC2478 serial program

Linux 操作系统提供进程间通信（IPC）机制，用来保证正在执行的进程在内核的协调下能够 共享资源、同步以及交换数据等。Linux 支持大量进程间通信机制，包括信号、等待队列、管道 以及Unix 系统V 中提供的进程间通信机制，如消息队列、信号量和共享内存。-Linux operating system to provide inter-process communication (IPC) mechanism used to ensure that the process is being implemented in coordination with the core to share resources, synchronization and exchange information. Linux support a large number of inter-process communication mechanisms, including signal and wait for the queue, pipeline and the Unix System V to provide inter-process communication mechanisms, such as message queue, the signal volume and shared memory.

ISE 9.2 serials working

此应用程序用于从计算机的串行数据发送到所述微控制器用于控制基于串行通信的任何应用程序。这种编码的设计使得它会给中的字符形式的输出结构。使用此代码，您可以以串行方式传送到 8 位单片机的串行通信的字符。........................................................................................................

利用csharp实现的小程序，可以将应用程序缩小到托盘，并在关闭是弹出关闭提示-Csharp realize the use of small procedures, the application can be reduced to the tray and turn off turn off pop-up prompts are

秒表最大计时时间为3分钟59秒。系统设置2个功能键，控制秒表启停。秒表启动时从00秒开始计数，2位的七段数码管显示变化的秒数（以十进制形式），计数范围为00-59秒。停止键按下，系统维持显示计时的最后值。开发板的2个数码管作为秒表的秒显示，秒表的分钟显示功能由2个LED灯（LD3和LD4）按二进制形式表示，即LD4为最低位，LD3为最高位，当2个全亮时表示3分钟。开发板中的两个按键Key2为开始键，Key3为停止键。