Smart sensors and communication using Internet of Things in supermarkets

Sensor to Server communication

Bachelor thesis (2017)

Authors

J.P. Verburg Electrical Engineering, Mathematics and Computer Science
N.K.R. De Winter Electrical Engineering, Mathematics and Computer Science

Contributors

J. Hoekstra (mentor)
Bart Frens (mentor)
Arno Smets (graduation committee member)
Andre Bossche (graduation committee member)
Faculty
Electrical Engineering, Mathematics and Computer Science, Electrical Engineering, Mathematics and Computer Science
Copyright: © 2017 Joseph Verburg, Niels De Winter
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Published Date

03-07-2017

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

During 9 weeks of investigation multiple solutions for implementing a communication module in a supermarket have been explored. These results led to three options which have been further researched. Bluetooth Low Energy (BLE), 433 MHz and ZigBee have been selected as the best communication protocols
for sensor to gateway communication. Chips for these protocols have been bought and for BLE and 433 MHz libraries have been developed. For the gateway and the communication to the server a Raspberry PI and Mobile Internet have been selected and these have been integrated. During the measurements we came to the conclusion that for the RFM69HCW (433 MHz) and the BLE Nano (BLE) the sleep mode did not work as specified. Resulting in high power consumption and thus worse battery life (sleep mode consumption for RFM69HCW 3.37 mA, BLE Nano 4.38 mA and for XBee 43.2 휇A). The final conclusion of this thesis is that, with the current research, XBee (ZigBee) is
the best communication protocol for communicating within a supermarket. But in further research BLE Nano and RFM69HCW can perform better if the sleep mode is improved to work according to what is specified.

Files

Thesis_Tu_Delft_Bap_Final.pdf
(pdf | 1.9 Mb)
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