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A acquisition module with ARM and Linux as a core was developed. This paper presents the hardware configuration and the software design. It is shown that the module can extract human lung sound reliably and effectively.
Wireless sensor and actuator networks (WSANs) emerging from WSN conduce to many control applications like light control. This work focuses on meeting human preferences and energy cost. In this paper, a distributed light control system with WSANs considering daylight is constructed. Sensors measure illuminations while actuators make decisions and carry out… (More)