利用通讯模块进行数据通信,就是将数据体作为短消息的内容,从发送方的通讯模块发送出去,通过短消息中心进行转发,接收方通讯模块收到此短消息后即存储在SIM卡上,模块外接的控制器(如单片机、计算机等)从模块中读取短消息后,根据需要将无用的信息去除,取出有效信息,然后将SIM卡中的短消息删除,这样就完成一次单向数据的传输。利用通讯模块的短消息方式实现数据的发送和接收具有通信成本低、系统容量大、抗干扰能力强等优点,而且短消息经过服务中心再到达目的地的特点使通讯模块无需24小时开机,降低了系统功耗,特别适合遥控、遥测、远程信息处理和通信等领域。
上传时间: 2017-06-16
上传用户:ynwbosss
This file is used for the comparison of of groups within livejournal groups and finding how many similar people exist within two specified groups.
标签: groups livejournal comparison finding
上传时间: 2014-01-11
上传用户:ainimao
s3c2410,MDK下面RFID例程实验,可以实现通过串口读取RFID卡ID号并显示出来。
标签: s3c2410
上传时间: 2017-06-24
上传用户:rocwangdp
包括读卡器源代码,专为研究RFID技术学习之用
上传时间: 2013-12-08
上传用户:钓鳌牧马
包括读写器源代码,专为研究RFID技术学习之用
上传时间: 2017-06-24
上传用户:youmo81
The MINI2440 is an effecient ARM9 development board with a comprehensive price, it characterizes simple method and high performance-price ratio. Based on the Samsung S3C2440 microprocessor, it embodies professional stable CPU core power source chip and reset chip to ensure the stability of the system operation. The PCB on the MINI2440 board is designed to be 4-layers board, adopting the ENIG technology and professional equal-length wiring to ensure the completeness of the signals of the key signal wires and manufactured and released under stringent quality control plans. With the help of this detailed manual, users are supposed to become proficient in the development process of embedded Linux and WinCE operating system, they are supposed to get the foundation, so long as they have obtained the basic and necessary knowledge about the C language, in two weeks.
标签: comprehensive characterizes development effecient
上传时间: 2013-12-18
上传用户:csgcd001
RC500函数库,MF RC500 是应用于非接触式通信中高集成度读写卡芯片系列中的一员。是学习RFID技术必备资料。
上传时间: 2013-12-02
上传用户:zhuimenghuadie
企业短信群发管理系统主要利用硬件短信猫发送短信,并且可以查看SIM卡中收到的短信。
上传时间: 2017-07-29
上传用户:yuchunhai1990
Introduction to the RTX51, a multitasking real-time operating system for the 8051 family. RTX51 simplifies system and software design of complex and time-critical projects.
标签: Introduction multitasking the RTX
上传时间: 2017-08-01
上传用户:liansi
自己上学时写的Btree算法,处理基于Rot语言的图形,存储一些RFID的数据
上传时间: 2014-01-06
上传用户:change0329