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Razvoj in izvedba komunikacijskega vmesnika med vodilom RS-485 in brezžično tehnologijo Bluetooth : diplomsko delo
ID Frelih, Krištof (Author), ID Žemva, Andrej (Mentor) More about this mentor... This link opens in a new window

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Abstract
Diplomsko delo opisuje razvoj komunikacijskega vmesnika med vodilom RS-485 in tehnologijo BLE za lažje testiranje električnih števcev podjetja Iskraemeco. Uporaba vmesnika bo omogočala, da je električni števec od računalnika oddaljen dlje, kot bi mu to omogočala dolžina kabla. V prvem poglavju je predstavljen električni števec in vodilo RS-485, v drugem poglavju je opisana komunikacija BLE, RS-485 in protokol HDLC, nato pa je opisana predelava programske predloge za mikrokrmilnik Nordic nRF52832, izbira in impedančna prilagoditev antene za BLE, zasnova ter risanje tiskanega vezja s programom Altium. Na koncu so predstavljeni rezultati in delovanje komunikacijskega vmesnika.

Language:Slovenian
Keywords:BLE, RS-485, komunikacijski vmesnik, nRF52832, antena
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FE - Faculty of Electrical Engineering
Place of publishing:Ljubljana
Publisher:[K. Frelih]
Year:2021
Number of pages:XXII, 47 str.
PID:20.500.12556/RUL-127813 This link opens in a new window
UDC:621.39(043.2)
COBISS.SI-ID:69010179 This link opens in a new window
Publication date in RUL:23.06.2021
Views:695
Downloads:116
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Secondary language

Language:English
Title:Design and implementation of RS-485 bus and Bluetooth wireless technology communication interface : visokošolski strokovni študijski program prve stopnje Aplikativna elektrotehnika
Abstract:
The thesis addresses development of a communication adapter between RS-485 bus and BLE technology for easier testing of electric meter. Communication adapter will allow electric meter to be situated at a distance from the computer greater than the cable length. The first chapter presents the electric meter and RS-485 bus, the second chapter describes the BLE, RS-485 and HDLC protocol. Then follows the description of modifying the firmware template for microcontroller Nordic nRF52832, selection and impedance matching of the antenna for BLE, designing and drawing a printed circuit board with program Altium. Operating results of the communication adapter are presented at the end of the thesis.

Keywords:BLE, RS-485, communication infterface, nRF52832, antenna

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