通过单片机底层程序的设计，完成了对心电数据的采集和GPRS模块的AT指令控制，实现了对心电数据无线传输；
In the software project, PIC bottom program is used to collect the ECG data and control the AT injunction to the GPRS module, which realize the wireless transmission of ECG data.
其中电能的计量采用AD 7755实现，数据的无线传输与控制利用单片机at89s51向短信收发模块发送AT指令来实现。
Among these parts AD7755 is the core of the electricity meter, and data transmitting and controlling is completed by means of AT89S51 transmitting at command to GSM module.
该节点通过微控制器和无线传输模块实时采集、处理、传输井下工作面的瓦斯浓度、CO浓度、温度、湿度等数据。
The node can collect, process and transmit data of gas concentration, co concentration, temperature and humidity of underground working face by microcontroller and wireless transmission module.
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