作者: Jayanand Jegatheesan , Son Chee Loon , Cheah Wai Zhao
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摘要: There are thousands of sensors in an industry with different usage, such as, pressure transmitters, flow meter, temperature level and so on. Wired networks mainly used to transfer data base station by connecting sensor. It brings advantage as it provides reliable stable communication system for instruments controls. However, the cost cables necessary is very costly. Therefore, recently low wireless strongly required customers, example, temporary instrument and/or some non-critical permanent sites which require rate longer battery life. In client/server model, file server act a parent's node allow multiple child connect it. responsible central storage management that other computers enable access under same network. This article explores use Raspberry Pi function several laptops connected copy, store delete over IT requires authentication user login before granting ensure integrity security. File widely many areas, example education uploading study note into serve student immediate downloading their computer. Moreover this work also B+ model XBee (ZigBee module) demonstrate transmission, proving validity usage mobile low-power network communication. The main goal research explore client-server using various scenario Wi-Fi ZigBee.