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In this paper, we propose a topology control technique to reduce the energy consumption of wireless sensor networks (WSNs). The technique makes use of both power control and power management methods. The algorithm uses the power management technique to put as many idle nodes as possible into the sleep mode while invoking the power control method to adjust the transmission range of the active nodes...
A water pollution remote monitoring system based on Wireless Sensor Network is proposed for the protecting the ecological environment of water resources. WSN nodes are made from float-type fixed in the monitoring waters. The low power consumption C8051F930 is as the controller, the pH glass composite electrode sensors are used to measure pH, pH sensors collect the signal is processed, converted and...
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