{"id":131,"date":"2022-05-07T16:55:13","date_gmt":"2022-05-07T14:55:13","guid":{"rendered":"http:\/\/ieee.cs.uowm.gr\/citizension\/?page_id=131"},"modified":"2022-09-04T11:48:12","modified_gmt":"2022-09-04T09:48:12","slug":"smart-kozani-iot-system","status":"publish","type":"page","link":"https:\/\/ieee.cs.uowm.gr\/citizension\/smart-kozani-iot-system\/","title":{"rendered":"Smart Kozani IoT System"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"131\" class=\"elementor elementor-131\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-80417df elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"80417df\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element 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IoT System\" \/><\/figure><\/a><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-left\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-right\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-caf0784 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"caf0784\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-252b607\" data-id=\"252b607\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2649c83 elementor-widget elementor-widget-text-editor\" data-id=\"2649c83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u03a4\u03bf Smart Kozani IoT System \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03b5\u03bd\u03b1\u03c1\u03af\u03bf\u03c5 Smart Buildings and the internet of things <a href=\"https:\/\/ieee.cs.uowm.gr\/citizension\/smart-buildings-and-the-internet-of-things\/\">(\u0388\u03be\u03c5\u03c0\u03bd\u03b1 \u039a\u03c4\u03af\u03c1\u03b9\u03b1 \u03ba\u03b1\u03b9 \u0394\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c4\u03c9\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd),<\/a> \u03b1\u03bb\u03bb\u03ac \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 <a href=\"https:\/\/ieee.cs.uowm.gr\/citizension\/analysi-aisthitiron\/\">\u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 Adafruit MAX9814 \u03ba\u03b1\u03b9 Adafruit CCS811<\/a> \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03ad\u03bb\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 Ubidots<\/p><h3>\u00a0<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-142572c3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"142572c3\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-346d525c\" data-id=\"346d525c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-69c02b25 elementor-widget elementor-widget-text-editor\" data-id=\"69c02b25\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Smart Kozani IoT System<\/p>\n<div class=\"dm-code-snippet light default  dm-normal-version\" style=\"background-color:#abb8c3;\" snippet-height=\"\">\n\t\t\t<div class=\"control-language\">\n                <div class=\"dm-buttons\">\n                    <div class=\"dm-buttons-left\">\n                        <div class=\"dm-button-snippet red-button\"><\/div>\n                        <div class=\"dm-button-snippet orange-button\"><\/div>\n                        <div class=\"dm-button-snippet green-button\"><\/div>\n                    <\/div>\n                    <div class=\"dm-buttons-right\">\n                        <a id=\"dm-copy-raw-code\">\n                        <span class=\"dm-copy-text\">Copy Code<\/span>\n                        <span class=\"dm-copy-confirmed\" style=\"display:none\">Copied<\/span>\n                        <span class=\"dm-error-message\" style=\"display:none\">Use a different Browser<\/span><\/a>\n                    <\/div>\n                <\/div>\n                <pre class=\"no-line-numbers\"><code id=\"dm-code-raw\" class=\"no-wrap language-clike\"><\/p>\n<pre>\/********************************\n * Libraries included\n *******************************\/\n#include &lt;Ethernet.h&gt;<br><\/pre><pre style=\"font-size: 16px;\"><br>#include &lt;SPI.h&gt;<br><\/pre><pre style=\"font-size: 16px;\">#include &lt;UbidotsEthernet.h&gt;<br>#include \"Adafruit_CCS811.h\"<\/pre>\n<pre>Adafruit_CCS811 ccs;\n\/********************************\n * Constants and objects\n *******************************\/\n\/* Assigns the Ubidots parameters *\/\nchar const * TOKEN = \"Ubidots token\"; \/\/ Assign your Ubidots TOKEN\nchar const * VARIABLE_LABEL_1 = \"temperature\"; \/\/ Assign the unique variable label to send the data\nchar const * VARIABLE_LABEL_2 = \"CO2\"; \/\/ Assign the unique variable label to send the data\nchar const * VARIABLE_LABEL_3 = \"TVOC\"; \/\/ Assign the unique variable label to send the data\nchar const * VARIABLE_LABEL_4 = \"Decibel\"; \/\/ Assign the unique variable label to send the data\n\nconst int MIC = 0; \/\/the microphone amplifier output is connected to pin A0\nint adc;\nint dB, PdB; \/\/the variable that will hold the value read from the microphone each time\n\n\/* Enter a MAC address for your controller below *\/\n\/* Newer Ethernet shields have a MAC address printed on a sticker on the shield *\/\nbyte mac[] = { 0xAE, 0xAD, 0xBE, 0xEF, 0xBE, 0xED };\n\n\/* initialize the instance *\/\nUbidots client(TOKEN);\n\n\/********************************\n * Main Functions\n *******************************\/\nvoid setup() {\n  Serial.begin(9600);\n  \/\/client.setDebug(true);\/\/ uncomment this line to visualize the debug message\n  \/* start the Ethernet connection *\/\n  Serial.print(F(\"Starting ethernet...\"));\n  if (!Ethernet.begin(mac)) {\n    Serial.println(F(\"failed\"));\n  } else {\n    Serial.println(Ethernet.localIP());\n  }\n  \/* Give the Ethernet shield a second to initialize *\/\n  delay(2000);\n  Serial.println(F(\"Ready\"));\n  pinMode(3, OUTPUT);\n  Serial.println(\"CCS811 test\");\n\n  if(!ccs.begin()){\n    Serial.println(\"Failed to start sensor! Please check your wiring.\");\n    while(1);\n  }\n\n  \/\/ Wait for the sensor to be ready\n  while(!ccs.available());\n  float temp = ccs.calculateTemperature();\n  ccs.setTempOffset(temp - 25.0);\n}\n\nvoid loop() {\n  Ethernet.maintain();\n  PdB = dB; \/\/Store the previous of dB here\n  adc= analogRead(MIC); \/\/Read the ADC value from amplifer \n  \/\/Serial.println (adc);\/\/Print ADC for initial calculation \n  dB = (adc+83.2073) \/ 11.003; \/\/Convert ADC value to dB using Regression values\n  if (PdB!=dB)\n    \n  if(ccs.available()){\n    if(!ccs.readData()){\n      \/* Sensors readings *\/\n      float temp= ccs.calculateTemperature();\n      float co2 = ccs.geteCO2();\n      float TVOC = ccs.getTVOC();\n      float Temp =temp;\n      float Decibel = dB;\n      Serial.print(\"CO2: \");\n      Serial.print(ccs.geteCO2());\n      Serial.print(\"ppm, TVOC: \");\n      Serial.print(ccs.getTVOC());\n      Serial.print(\"ppb, Temp: \");\n      Serial.print(temp);\n      Serial.print(\" C, Decibel: \");\n      Serial.print (dB);\n      Serial.println(\"dB\");\n      \/* Sending values to Ubidots *\/\n      client.add(VARIABLE_LABEL_1, temp);\n      client.add(VARIABLE_LABEL_2, co2);\n      client.add(VARIABLE_LABEL_3, TVOC);\n      client.add(VARIABLE_LABEL_4, Decibel);\n      client.sendAll();\n    }\n    else{\n      Serial.println(\"ERROR!\");\n      while(1);\n    }\n  }\n  delay(1000);\n}<\/pre>\n<p><\/code><\/pre>\n\t\t\t<\/div>\n        <\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u03a0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u0395\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf \u03a4\u03bf Smart Kozani IoT System \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03b5\u03bd\u03b1\u03c1\u03af\u03bf\u03c5 Smart Buildings and the internet of things (\u0388\u03be\u03c5\u03c0\u03bd\u03b1 \u039a\u03c4\u03af\u03c1\u03b9\u03b1 \u03ba\u03b1\u03b9 \u0394\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c4\u03c9\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd), \u03b1\u03bb\u03bb\u03ac \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 Adafruit<span class=\"more-button\"><a href=\"https:\/\/ieee.cs.uowm.gr\/citizension\/smart-kozani-iot-system\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\">Smart Kozani IoT System<\/span><\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":283,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-131","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Smart Kozani IoT System &#8211; Citizension of Smart Cities<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ieee.cs.uowm.gr\/citizension\/smart-kozani-iot-system\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Smart Kozani IoT System &#8211; Citizension of Smart Cities\" \/>\n<meta property=\"og:description\" content=\"\u03a0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u0395\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf \u03a4\u03bf Smart Kozani IoT System \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03bc\u03b9\u03b1 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03b5\u03bd\u03b1\u03c1\u03af\u03bf\u03c5 Smart Buildings and the internet of things (\u0388\u03be\u03c5\u03c0\u03bd\u03b1 \u039a\u03c4\u03af\u03c1\u03b9\u03b1 \u03ba\u03b1\u03b9 \u0394\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c4\u03c9\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd), \u03b1\u03bb\u03bb\u03ac \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b5\u03c2 AdafruitContinue readingSmart Kozani IoT System\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ieee.cs.uowm.gr\/citizension\/smart-kozani-iot-system\/\" \/>\n<meta property=\"og:site_name\" content=\"Citizension of Smart Cities\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-04T09:48:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ieee.cs.uowm.gr\/citizension\/wp-content\/uploads\/2022\/05\/IMG_20220507_203858.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2071\" \/>\n\t<meta property=\"og:image:height\" content=\"2313\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0395\u03ba\u03c4\u03b9\u03bc\u03ce\u03bc\u03b5\u03bd\u03bf\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b1\u03bd\u03ac\u03b3\u03bd\u03c9\u03c3\u03b7\u03c2\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 \u03bb\u03b5\u03c0\u03c4\u03ac\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ieee.cs.uowm.gr\\\/citizension\\\/smart-kozani-iot-system\\\/\",\"url\":\"https:\\\/\\\/ieee.cs.uowm.gr\\\/citizension\\\/smart-kozani-iot-system\\\/\",\"name\":\"Smart Kozani IoT System &#8211; 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