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Wireless access to devices with RS-232 interface over Zegbee network

Sašo Skube (2010) Wireless access to devices with RS-232 interface over Zegbee network. EngD thesis.

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    For communications among devices the well-known protocol RS-232 is still frequently used. Since the protocol requires physical connection to devices which can also stand in inaccessible places, a solution that enables data transmission over a wireless network would be greatly appreciated. In the last few years some new wireless communication standards appeared. One of them is ZigBee, which has the advantages of small energy consumption and the possibility of safe and reliable connection of devices in mesh networks. In this work a device is presented, that can transmit data through the ZigBee network between client computers with ZigBee transmitters and several end devices with RS-232 ports. The developed device allows us to plug-in up to four end devices with the RS-232 port, and four wireless clients. Further on, hardware schemes and software modules of the developed device are described in detail together with basic procedures and theoretical descriptions of the standard. The first tests show that the operation of device is reliable and stable.

    Item Type: Thesis (EngD thesis)
    Keywords: ZigBee, wireless, RS-232
    Number of Pages: 81
    Language of Content: Slovenian
    Mentor / Comentors:
    Name and SurnameIDFunction
    prof. dr. Uroš Lotrič270Mentor
    Link to COBISS: http://www.cobiss.si/scripts/cobiss?command=search&base=50070&select=(ID=8066900)
    Institution: University of Ljubljana
    Department: Faculty of Computer and Information Science
    Item ID: 1188
    Date Deposited: 06 Oct 2010 15:12
    Last Modified: 13 Aug 2011 00:38
    URI: http://eprints.fri.uni-lj.si/id/eprint/1188

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