Результаты (
английский) 3:
[копия]Скопировано!
. data collection and communication modulethe wml leakage detection system together with all aspects from sensing to wireless transfer of events and sensing data in a secure fashion whilst utilizing an indigenously developed highly power efficient sensor board. for communication, a system similar ZigBee modules that can be connected to a standard UART connector. a latest ZigBee standard compliant transceiver can provide an outdoor range of 3200 m (2 miles), the indoor range of 90 m (300 ft), the transmit power of + 18 dBm and receiver sensitivity of - 102 dBm. a 2 - cell 7.4 v Lithium Polymer battery pack is used with the high capacity of 32 mAh. the wireless sensor board is designed in such a way that it minimizes current leakages in circuitry which drains the energy of circuitry. the major component of this board is a micro - controller, to which several integrated circuit components and interfaces are connected through different protocols. for pipeline infrastructure monitoring, a linear and hierarchical layout is required for sensor node deployment in whole network.
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