Abstract
The detection device of combustible gas are designed in the presented work,using wireless transceiver and GSM network.The system realize the wireless transmission of the gas concentration,and also can send alarm information to user’s mobile when an exception occurs. The system consists of two parts: a master and slave. The function of the slave is to collect data, process data and transffer the data to the master. The task of the master is to receive data and display it by LED. The signal acquisition is completed by sensor TGS813 and A/D converter TLC2543. The wireless transmission is achieved through wireless transceiver nRF905. Since the accuracy of the sensor is affected by the environment, using DS18B20 to achieve temperature compensation. And with wireless communication module TC35i and GSM network platform, we can send the alarm information to user’s mobile promptly.
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