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海南联通的一个SGIP协议短信API的例子程序，从事软件开发人员-Hainan Unicom an agreement SGIP SMS API examples procedures, software developers

接口电路代码实现下位机ATmega16通过USB口的CH372接收上位机下传的信息。上位机是利用C#实现的一个应用窗口，用于发送命令。下位机将接收到的命令发送到电力线载波模块，通过调制在电力线上传输到远方的对端。

包含两篇关于FXO、FXS的文档，详细介绍了他们的区别和定义，是开发VOIP设备的很好的参考材料。这种材料可是很难找哦。-contains two of FXO, FXS document, detailing their differences and definitions, the development of VoIP equipment is a good reference material. But this material is difficult to find, oh.

汉字的hex内码察看器，对用LCD的同志会节省不少查表的时间-characters hex code inspected on the use of the LCD"s will save a lot of time Lookup

串口传输代码，用CSerial类编写，可以实现两个串口的传输数据。-Serial transmission code, used to prepare CSerial category, you can realize the two serial transmission of data.

射频卡读卡程序,射频IC卡识别技术，通常由载有密码的射频IC卡来代替传统的键盘密码。读卡模块读出密码后，即产生输出电信号，继而驱动执行机构动作，或将密码（如卡号）送给外围对接设备（如电脑或单片机等）。采用射频卡读卡模块及感应体构成的特定系统中，因射频卡内码信号唯一且不可复制，因此射频卡不仅杜绝了非法复制密码，还为各种控制采用信息化管理创造了条件。-RF card reader procedure, radio frequency identification technology IC cards, usually containing the password from the RF IC cards to replace the traditional keyboard password. Reader module read out a password, as a result, the output signal, and then drive the implementation agency action, or passwords (such as logging) gave the external docking equipment (such as computer or microcontroller, etc.). RF card reader module consisting of sensors and the specific system, RF signal code card but not the only copy, RF Card not only prevents illegal copying passwords, but also controls the use of information management to create the conditions.

tekelectronix G35 frequent asked questioned

modbustcp客户端测试程序,用来模拟上位机软件,对产用modbustcp协议的设备进行测试-modbustcp client test procedure used to simulate PC software, right off modbustcp agreement with the testing equipment

GSM 07.05通讯标准-GSM 07.05 communications standards

这是一个用MODEM拔号的C语言源代码范例-This is a dial-up modem using the C language source code examples