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In this paper, a multi-interface Wi-Fi node for Wireless Sensor Network (WSN) is constructed. Wi-Fi is connected through SPI (Serial Peripheral Interface Bus) to form the relatively energy saving wireless transmission. Along with other interfaces, the multi-interface function requirements are satisfied. Firstly, the overall module design framework is introduced, followed by the hardware and software...
The exorbitant gaseous carbon dioxide (CO2) content does cuase hazard to the environment, animals, plants and human health. This paper explores the Wireless Sensor Networks (WSN) combined with carbon dioxide gas sensor for testing the content of carbon dioxide gas in environment. This system can be applied to the forest, mine, green house and indoor environment whose circumstances are unattended....
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