无头绪:无线传感报警系统

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 楼主| seudailin 发表于 2007-10-27 16:22 | 显示全部楼层 |阅读模式
&nbsp;&nbsp;&nbsp;申请了个srtp项目.名字叫家庭无线传感报警系统.系统由一个主机和很多分布在室内各个地方的分机组成.不同的分机带有不同的传感器,可以感知到煤气泄漏,外人闯入等.传感器检测到相应的信号后,分机向主机发送数据.主机要分辨出是那个分机发出的信号,然后采取相应的动作(发出报警声,向分机发送反馈信号,甚至是发信息给一个固定的电话号码等.这个功能如果太复杂就先不管.)分机应能采取根据主机发出的反馈信号做出相应的动作.也就是说分机也要接受数据.还有一个特别的分机是遥控器,可以关闭整个系统的一部分或是整体.<br />&nbsp;&nbsp;&nbsp;现在是初学者,基本上是从零开始.现阶段的想法是主机由单片机和无线收发模块组成.分机由传感器,单片机,无线收发模块组成.单片机已经有了些了解.无线收发模块正要开始学习.<br />&nbsp;&nbsp;&nbsp;现在想向这里的过来人请教一下:<br />&nbsp;&nbsp;&nbsp;1.我上面的思路有没有问题?<br />&nbsp;&nbsp;&nbsp;2.我用什么单片机好呢?<br />&nbsp;&nbsp;&nbsp;3.我用什么无线模块好呢?室内传输.20m.传输速率不要太快,可以及时报警就可以了.<br />&nbsp;&nbsp;&nbsp;4.我是初学者,具体来说应该先看什么书呢?是不是要先做个简单的系统联系一下?(相当于找个导师指导我了,呵呵)<br />&nbsp;&nbsp;&nbsp;我是新人,第一篇帖子就是求助贴,真有点不好意思啊.呵呵.<br />&nbsp;&nbsp;&nbsp;也算是报道贴了.<br />&nbsp;&nbsp;&nbsp;如果可以,请尽量详细回答.谢了.<br />
tyw 发表于 2007-10-28 06:53 | 显示全部楼层

参考一下

无线发射模块有4个引脚&quot;天线,&nbsp;Vcc,&nbsp;Data,&nbsp;Gnd&quot;<br />把Data与单片机的某一个I/O口相连就能通讯了(Gnd也要相连的哦)<br />数据的&quot;1&quot;电平脉宽不要太宽,一般315M的小于1ms效率较高<br /><br /><br /><br /><table class=ubb cellspacing=0><TR><td class=ubb><br /><a href="http://www.ayxsj.com/xzzx.htm" target=_blank>http://www.ayxsj.com/xzzx.htm</a><br />&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td class=ubb> </td><td class=ubb> </td></TR><TR><td class=ubb> </td></TR><TR><td class=ubb><br /><img src="http://www.ayxsj.com/images/welcome.jpg"></td></TR><TR><td class=ubb>&nbsp;<img src="http://www.ayxsj.com/images/indexpoint.gif"><font 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