Aiming at monitoring information of HCHO, CH4, LPG and other toxic and harmful gas concentrations in the chemical production plant, the monitoring system designed a ZigBee wireless sensor network composed of CC2430, MC114 and MS1100 gas sensor, which built a safe, low power consumption, flexible detection system of toxic and harmful gas concentrations. As the system data transmission with the mode of sensor test data in a short distance, multi-node, self-organizing wireless network, it could use the USB interface gateway to connect the WSN and internet to implement the data transmission with internet.
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