<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0121-7488</journal-id>
<journal-title><![CDATA[Ciencia en Desarrollo]]></journal-title>
<abbrev-journal-title><![CDATA[Ciencia en Desarrollo]]></abbrev-journal-title>
<issn>0121-7488</issn>
<publisher>
<publisher-name><![CDATA[Universidad Pedagógica y Tecnológica de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-74882023000100073</article-id>
<article-id pub-id-type="doi">10.19053/01217488.v14.n1.2023.13988</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[IoTMonitor-WQ: A Remote Water-Quality Monitoring IoT Platform]]></article-title>
<article-title xml:lang="es"><![CDATA[IoTMonitor-WQ: una plataforma IoT para la monitorización remota de la calidad del agua]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas-García]]></surname>
<given-names><![CDATA[Cristian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonzalez-Amarillo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-Moreno]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Amarillo]]></surname>
<given-names><![CDATA[Angela Maria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodriguez H.]]></surname>
<given-names><![CDATA[Ariel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,aff1  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Cauca  ]]></institution>
<addr-line><![CDATA[Popayán ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Abierta y a Distancia  ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>14</volume>
<numero>1</numero>
<fpage>73</fpage>
<lpage>86</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-74882023000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-74882023000100073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-74882023000100073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Water quality evaluation is determined by analyzing physical, chemical, and biological characteristics directly in natural water sources or tributaries. The analysis of variables such as pH, electrical conductivity, and dissolved oxygen makes it possible to establish water quality for human consumption. However, sampling at remote points of water sources or tributaries physically and in the field (in situ) involves high logistics and time costs. For this reason, we have built a low-cost microcontroller-based IoT platform for monitoring water quality parameters called IoT-Monitor-to-Water-Quality (IoTMonitor-WQ). This remote-use platform with a web interface is built with precision sensors, LoRa technology, an energy autonomy module, and a data storage module. In a networked node deployment, we demonstrate that IoTMonitor-WQ solves the problem of sampling, storing, and transmitting data for subsequent visualization and evaluation of relevant data influencing water quality at remote locations, reducing process costs considerably.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La evaluación de la calidad del agua se determina a partir del análisis de un conjunto de características físicas, químicas y biológicas directamente en las fuentes o afluentes naturales de agua. El análisis de variables como el pH, la conductividad eléctrica y el oxígeno disuelto permite establecer la calidad del agua para el consumo humano. No obstante, la toma de muestras en puntos remotos de las fuentes o afluentes de agua de manera física y sobre el terreno (in situ), implica altos costos en cuanto a logística y tiempo invertido. Por esta razón, hemos construido una plataforma IoT de bajo costo basada en microcontroladores para la monitorización de los parámetros de calidad del agua denominada IoT-Monitor-to-Water-Quality (IoTMonitor-WQ). Esta plataforma de uso remoto con interface web está construida con sensores de precisión, tecnología LoRa, un módulo de autonomía energética y un módulo de almacenamiento de datos. En un despliegue de nodos en red, demostramos que con IoTMonitor-WQ se resuelve el problema de muestreo, almacenamiento y transmisión de datos, para la posterior visualización y evaluación de los datos relevantes que influyen en la calidad del agua en lugares remotos reduciendo los costos del proceso considerablemente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Water Quality]]></kwd>
<kwd lng="en"><![CDATA[Internet of Things]]></kwd>
<kwd lng="en"><![CDATA[Lora microcontroller]]></kwd>
<kwd lng="en"><![CDATA[Sensors]]></kwd>
<kwd lng="es"><![CDATA[Calidad del agua]]></kwd>
<kwd lng="es"><![CDATA[Internet de las cosas (IoT)]]></kwd>
<kwd lng="es"><![CDATA[Microcontrolador Lora]]></kwd>
<kwd lng="es"><![CDATA[Sensores]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>[1]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mukate]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Wagh]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Panaskar]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Jacobs]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sawant]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development of new integrated water quality index (iwqi) model to evaluate the drinking suitability of water]]></article-title>
<source><![CDATA[Ecological Indicators]]></source>
<year>2019</year>
<volume>101</volume>
<page-range>348-54</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>[2]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jha]]></surname>
<given-names><![CDATA[M. Kumar]]></given-names>
</name>
<name>
<surname><![CDATA[Sah]]></surname>
<given-names><![CDATA[R. Kumari]]></given-names>
</name>
<name>
<surname><![CDATA[Rashmitha]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sinha]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sujatha]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Suma]]></surname>
<given-names><![CDATA[K. V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Smart water monitoring system for realtime water quality and usage monitoring]]></source>
<year>2018</year>
<conf-name><![CDATA[ International Conference on Inventive Research in Computing Applications]]></conf-name>
<conf-date>2018</conf-date>
<conf-loc> </conf-loc>
<page-range>617-21</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>[3]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coquery]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Morin]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bécue]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lepot]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Priority substances of the european water framework directive: analytical challenges in monitoring water quality]]></article-title>
<source><![CDATA[TrAC Trends in Analytical Chemistry]]></source>
<year>2005</year>
<volume>24</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>117-27</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>[4]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gonzalez-Amarillo]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cardenas-Garcia]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza-Moren]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramirez-Gonzalez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Corrales]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Blockchain-IoT sensor (BIoTS): A solution to IoT-ecosystems security issues]]></article-title>
<source><![CDATA[Sensors]]></source>
<year>2021</year>
<volume>21</volume>
<page-range>43-88</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>[5]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miles]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Bourennane]]></surname>
<given-names><![CDATA[E.-B.]]></given-names>
</name>
<name>
<surname><![CDATA[Boucherkha]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Chikhi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A study of lorawan protocol performance for iot applications in smart agriculture]]></article-title>
<source><![CDATA[Computer Communications]]></source>
<year>2020</year>
<volume>164</volume>
<page-range>148-57</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>[6]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Charef]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ghauch]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Baussand]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Martin-Bouyer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Water quality monitoring using a smart sensing system]]></article-title>
<source><![CDATA[Measurement]]></source>
<year>2000</year>
<volume>28</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>219-24</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>[7]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Suciu]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Petrache]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Badea]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Buteau]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Schlachet]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Landez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hussain]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Low-power IoT devices for measuring environmental values]]></source>
<year>2018</year>
<conf-name><![CDATA[ 24International Symposium for Design and Technology in Electronic Packaging (SIITME)]]></conf-name>
<conf-date>2018</conf-date>
<conf-loc> </conf-loc>
<page-range>234-8</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>[8]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hao]]></surname>
<given-names><![CDATA[Z.-l.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y.-y.]]></given-names>
</name>
<name>
<surname><![CDATA[Feng]]></surname>
<given-names><![CDATA[M.-q.]]></given-names>
</name>
</person-group>
<source><![CDATA[Water quality assessment based on bp network and its application]]></source>
<year>2011</year>
<volume>2</volume>
<conf-name><![CDATA[ International Symposium on Water Resource and Environmental Protection]]></conf-name>
<conf-date>2011</conf-date>
<conf-loc> </conf-loc>
<page-range>872-6</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>[9]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bouras]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gkamas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Salgado]]></surname>
<given-names><![CDATA[S. A. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Energy efficient mechanism for lora networks]]></article-title>
<source><![CDATA[Internet of Things]]></source>
<year>2021</year>
<volume>13</volume>
<page-range>100-360</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>[10]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pule]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yahya]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chuma]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Wireless sensor networks: A survey on monitoring water quality]]></article-title>
<source><![CDATA[Journal of Applied Research and Technology]]></source>
<year>2017</year>
<volume>15</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>562-70</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>[11]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chou]]></surname>
<given-names><![CDATA[J.-S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ho]]></surname>
<given-names><![CDATA[C.-C.]]></given-names>
</name>
<name>
<surname><![CDATA[Hoang]]></surname>
<given-names><![CDATA[H.-S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Determining quality of water in reservoir using machine learning]]></article-title>
<source><![CDATA[Ecological Informatics]]></source>
<year>2018</year>
<volume>44</volume>
<page-range>57-75</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>[12]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González-Amarillo]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cárdenas-García]]></surname>
<given-names><![CDATA[C. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Caicedo-Muñoz]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza-Moreno]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Smart lumini: A smart lighting system for academic environments using IOT-based open-source hardware]]></article-title>
<source><![CDATA[Revista Facultad de Ingeniería]]></source>
<year>2020</year>
<volume>29</volume>
</nlm-citation>
</ref>
<ref id="B13">
<label>[13]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saputro]]></surname>
<given-names><![CDATA[A. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Anditya]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ulum]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sukri]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Alfita]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibadillah]]></surname>
<given-names><![CDATA[A. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Application of LoRa (long range access) in optimizing internet of things using MQTT (message queuing telemetry transport) for fish feed monitoring]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B14">
<label>[14]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pule]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yahya]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chuma]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Wireless sensor networks: A survey on monitoring water quality]]></article-title>
<source><![CDATA[Journal of Applied Research and Technology]]></source>
<year>2017</year>
<volume>15</volume>
<page-range>562-70</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>[15]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vijayakumar]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramya]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[The real time monitoring of water quality in IoT environment]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B16">
<label>[16]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salim]]></surname>
<given-names><![CDATA[T. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Alam]]></surname>
<given-names><![CDATA[H. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Pratama]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Anto]]></surname>
<given-names><![CDATA[I. A. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Munandar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Portable and online water quality monitoring system using wireless sensor network]]></source>
<year>2017</year>
<conf-name><![CDATA[ 2International Conference on Automation, Cognitive Science, Optics, Micro Electro-Mechanical System, and Information Technology]]></conf-name>
<conf-date>2017</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B17">
<label>[17]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chung]]></surname>
<given-names><![CDATA[W.-Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yoo]]></surname>
<given-names><![CDATA[J.-H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Remote water quality monitoring in wide area]]></article-title>
<source><![CDATA[Sensors and Actuators B: Chemical]]></source>
<year>2015</year>
<volume>217</volume>
<page-range>51-7</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
