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posic多线程编程学习笔记整理，包含了线程的基础知识，多线程解决方法：信号灯，互斥量，条件变量，共享内存；内容详细-multi-threaded programming posic finishing study notes, including a basic knowledge of threads, multi-threaded solution: traffic lights, the volume of mutually exclusive condition variables, shared memory detailed

串行通信是基于协议和标准的RS232的协议是一个或几个组的硬件和软件规则，同意由所有通信方的正确和有效地交换数据。RS-232C，EIA RS-232，或简单的RS-232，是指由电子所定义的相同的标准在1969年行业协会的串行通信。我们将专注于创建一个组件的顺序呼叫使用类TSerial从组件它调用WINAPI dll库。不过，首先我会解释你什么是“堵时钟”和“非阻塞信号“呼叫。事实上，有驱动通信中使用2编程模型应用程序：

Module 9 for Tele_traffic, the description in indonesia language

CDMA网络规划基础 PN码规划和邻区的规划 解释了PN码(伪随机序列)以及CDMA网络中的邻区的概念以及基本的规划方法-CDMA network planning based on PN Code Planning and adjacent areas of planning explained the PN code (pseudo-random sequence), as well as CDMA networks the concept of adjacent areas, as well as basic planning methods

电子称 com serial port-weight check

delphi入门基本程序,包括OPC的通用协议,在这个基础上进行各个厂家的设备的数据采集-basic entry procedures, including the OPC common agreement on the basis for all manufacturers of the equipment data acquisition

this program can control tha pll frequencu using a keybad and LCD

一个51的小实验，里面主要是为初学者入门编程和熟悉潜入式编程-A 51 small experiment, which is mainly for beginners entry into the programming and familiar with the programming

AT commands for sending and receiving SMS (Short Messages Service) messages.

开发工具Keil ，采用单片机C8051F340。主要实现功能，通过485级联通信，采取上位机（串口调试软件）发码的方式，给各从机发指令，每个从机有固定的地址，从机接到指令后进行相应的操作并返回一串码。若发送的码有误，则返回错误指示码。