Demo: Off-the-Shelf Bi-Directional Visible Light Communication Module for IoT Devices and Smartphones

Alexis Duque 1, 2 Razvan Stanica 1 Hervé Rivano 1 Adrien Desportes 2
1 AGORA - ALGorithmes et Optimisation pour Réseaux Autonomes
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : In this demonstration, we propose a line of sight bi-directional communication system between an ordinary LED and an off-the-shelf smartphone. We designed a cheap multi sensors device as a proof of concept of a near communication module for the Internet of Things. To illustrate a typical use case, we have programmed the micro-controller to broadcast the sensors values and the battery level using the LED. The same LED, reverse-biased, is also used as receiver to get some data, without the need of additional hardware modifications.Also, thanks to the the serial bus, the board can be connected to an embedded device, such as a Raspberry Pi, to serve as a VLC module, offering numerous IoT applications.On the other side, a user with his smartphone and our An-droid application can then retrieve the transmitted information , or send a configuration command thanks to the flashlight , letting him change the color of the RGB LED.
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Submitted on : Wednesday, February 22, 2017 - 10:49:18 AM
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Alexis Duque, Razvan Stanica, Hervé Rivano, Adrien Desportes. Demo: Off-the-Shelf Bi-Directional Visible Light Communication Module for IoT Devices and Smartphones. EWSN 2017 - 13th International Conference on Embedded Wireless Systems and Networks, Feb 2017, Uppsala, Sweden. ⟨ACM⟩, EWSN ’17 Proceedings of the 2017 International Conference on Embedded Wireless Systems and Networks, pp.238-239, 2017. ⟨hal-01473706⟩

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