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. 2018 Mar 20;18(3):917. doi: 10.3390/s18030917

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The main diagram of the proposed solution. ADC: Analog to Digital Converter; DAC: Digital to Analog Converter; DEMUX: Demultiplexer; HTTP: Hypertext Transfer Protocol; IoT: Internet of Things; MUX: Multiplexer.