{"id":64,"date":"2015-10-13T09:24:47","date_gmt":"2015-10-13T09:24:47","guid":{"rendered":"http:\/\/mr-west.uk\/igcse\/?page_id=64"},"modified":"2021-11-12T11:01:57","modified_gmt":"2021-11-12T11:01:57","slug":"6-4-microprocessors-in-control-applications","status":"publish","type":"page","link":"https:\/\/learnlearn.uk\/igcseict\/6-4-microprocessors-in-control-applications\/","title":{"rendered":"6.4 Microprocessor Control Applications"},"content":{"rendered":"<div class=\"responsive-tabs\">\n<h2 class=\"tabtitle\">Introduction<\/h2>\n<div class=\"tabcontent\">\n\n<div class=\"nv-iframe-embed\">\n<div class=\"container-lazyload preview-lazyload container-youtube js-lazyload--not-loaded\"><a href=\"https:\/\/www.youtube.com\/watch?v=aw_RE4auFk0\" class=\"lazy-load-youtube preview-lazyload preview-youtube\" data-video-title=\"Monitoring and Control Systems (GCSE, IGCSE, A Level)\" title=\"Play video &quot;Monitoring and Control Systems (GCSE, IGCSE, A Level)&quot;\">https:\/\/www.youtube.com\/watch?v=aw_RE4auFk0<\/a><noscript>Video can&#8217;t be loaded because JavaScript is disabled: <a href=\"https:\/\/www.youtube.com\/watch?v=aw_RE4auFk0\" title=\"Monitoring and Control Systems (GCSE, IGCSE, A Level)\">Monitoring and Control Systems (GCSE, IGCSE, A Level) (https:\/\/www.youtube.com\/watch?v=aw_RE4auFk0)<\/a><\/noscript><\/div>\n<\/div>\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/13dozlEDsPKmfR6ICRZFM2a5a7CGMMJ8F\/view?usp=sharing\">YouTube blocked? Click here for the Google Drive Version<\/a><\/p>\n<h3>Microprocessor Control Applications<\/h3>\n<p>Microprocessors (aka Micro-controllers)\u00c2\u00a0are tiny computers embedded in household\u00c2\u00a0\u00c2\u00a0items, such as televisions, washing machines, burglar alarms and greenhouses. Through the use of input and output connections they can monitor and control the devices in real time.<\/p>\n<p>Features include:<\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Wired \/ wireless internet connectivity &#8211; so that they can be monitored, controlled and updated over the internet.<\/li>\n<li>They have a number of input ports, so that they can be connected to buttons and sensors.<\/li>\n<li>Output ports, so that they can turn on motors, devices or alarms.<\/li>\n<li>The use usually low power devices, meaning they down use a large amount of electricity, especially in standby mode.<\/li>\n<\/ul>\n<\/div>\n<p><strong>Preset Values<\/strong><\/p>\n<p>Microprocessor control applications often use input sensors with pre-set values &#8211; these values are used to control when certain actions will happen.<\/p>\n\n<\/div><h2 class=\"tabtitle\">Glass House<\/h2>\n<div class=\"tabcontent\">\n\n<div class=\"arconix-column-two-thirds\">\n<h3>Computer Controlled Glass Houses<\/h3>\n<p><strong>Inputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Temperature sensors<\/li>\n<li>Soil moisture level sensors<\/li>\n<li>Humidity Sensors<\/li>\n<\/ul>\n<\/div>\n<p><strong>Outputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Motors to open and close the windows to the glass house in order to control the temperature<\/li>\n<li>Motors to pump water from storage containers into the soil to water the plants<\/li>\n<\/ul>\n<\/div>\n<p><strong>Preset Values<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Thermostat temperature setting to trigger the motors<\/li>\n<\/ul>\n<\/div>\n<div class=\"arconix-toggle-wrap\"><div class=\"arconix-toggle-title toggle-closed\"><i class='fa fa-plus-square'><\/i>Video<\/div><div class=\"arconix-toggle-content\"><\/div><\/div>\n<div class=\"arconix-box arconix-box-ltan\"><div class=\"arconix-box-content\">\n<p>Download this photo-sphere image:<\/p>\n<p><a href=\"https:\/\/drive.google.com\/open?id=0B4M7J3ubGpimbVpCakVtZ0FiQ1k\">https:\/\/drive.google.com\/open?id=0B4M7J3ubGpimbVpCakVtZ0FiQ1k<\/a><\/p>\n<p>Upload to this website to have a look around the Eden project, the largest computer controlled glass house in the world!<\/p>\n<p><a href=\"http:\/\/photosphereviewer.net\/\">http:\/\/photosphereviewer.net\/<\/a><\/p>\n<\/div><\/div>\n<\/div>\n<div class=\"arconix-column-one-third\">\n<p><a href=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/eden-project.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1945 size-medium\" src=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/eden-project-300x225.jpg?_t=1616534162\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/eden-project-300x225.jpg 300w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/eden-project.jpg 512w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">Washing Machine<\/h2>\n<div class=\"tabcontent\">\n\n<div class=\"arconix-column-two-thirds\">\n<h3>Washing Machines<\/h3>\n<p>We don&#8217;t think of washing machines as computers, but modern washing machines contain a microprocessor that controls all of the complex washing cycles that modern washing machines have.<\/p>\n<p><strong>Inputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Water sensors &#8211; to check if the watch has drained \/ has filled to the correct level<\/li>\n<li>Temperature sensors &#8211; to see if the water has heated up to the required temperature for the wash.<\/li>\n<li>Vibration sensors &#8211; if the machine is incorrectly loaded and vibrates too much, the machine will switch off to avoid damage to the machine and avoid a potenital leak.<\/li>\n<\/ul>\n<\/div>\n<p><strong>Outputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Turn on the motors that spin the machine<\/li>\n<li>Turn on the draining pumps<\/li>\n<li>Turn on the heating coil that heats the water<\/li>\n<\/ul>\n<\/div>\n<p>Preset Values<\/p>\n<p>The dial on the front of the machine has a number of preset values:<\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>The washing temperature<\/li>\n<li>The cycle type (eco, intense, soak)<\/li>\n<li>The spin speed<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"arconix-column-one-third\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1515\" src=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/washing-machine.jpg\" alt=\"washing-machine\" width=\"189\" height=\"267\" \/><\/p>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">Cooker<\/h2>\n<div class=\"tabcontent\">\n\n<div class=\"arconix-column-two-thirds\">\n<h3>Automatic Cookers<\/h3>\n<p>Automatic cookers are becoming increasingly popular, especially for those people who want to eat quality home-cooked food, but work full-time.<\/p>\n<p>They can be used to cook a variety of meals and foods, including:<\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Slow-cooked stews<\/li>\n<li>Pies, Pastries and Bread<\/li>\n<li>Rice<\/li>\n<\/ul>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\"><\/div>\n<p><strong>Inputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\"><\/div>\n<ul>\n<li>The cookers have temperature sensors to detect when the cooker has reached the desired temperature<\/li>\n<\/ul>\n<\/div>\n<p><strong>Output<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>The cookers turn on and off the heating elements<\/li>\n<li>The cookers often also output a sound or tune when the food has finished cooking<\/li>\n<\/ul>\n<\/div>\n<p><strong>Preset Values<\/strong><\/p>\n<p>Preset values include:<\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>The cooking temperature<\/li>\n<li>The programme type ( what type of meal is being cooked)<\/li>\n<li>Start time \/ delay so food only starts cooking at a certain time.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"arconix-column-one-third\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1516\" src=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/800px-Bread_Maker-225x300.jpg\" alt=\"800px-bread_maker\" width=\"225\" height=\"300\" srcset=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/800px-Bread_Maker-225x300.jpg 225w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/800px-Bread_Maker-768x1024.jpg 768w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/800px-Bread_Maker-600x800.jpg 600w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/800px-Bread_Maker.jpg 800w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/p>\n<p>Source: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Bread_machine#\/media\/File:Bread_Maker.jpg\">Wikimedia<\/a><\/p>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">Alarm<\/h2>\n<div class=\"tabcontent\">\n\n<div class=\"arconix-column-two-thirds\">\n<h3>Burglar Alarms<\/h3>\n<p>Burglar alarm systems have become increasingly popular, and now have a vast array of different sensors and control devices.<\/p>\n<p><strong>Inputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Heat sensors<\/li>\n<li>Pressure sensors<\/li>\n<li>Infra-red sensors<\/li>\n<li>Magnetic reed switches<\/li>\n<\/ul>\n<\/div>\n<p><strong>Outputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Audio and visual alarms<\/li>\n<li>Automatic text \/ email notifications<\/li>\n<li>Automatic police telephone calls<\/li>\n<li>Lockdown motors that protect expensive items \/ rooms<\/li>\n<\/ul>\n<\/div>\n<p>Preset values<\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Arm \/ disarm times<\/li>\n<li>Sensitivity levels &#8211; to cope with pets<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"arconix-column-one-third\">\n<div id=\"attachment_1517\" style=\"width: 202px\" class=\"wp-caption alignnone\"><img aria-describedby=\"caption-attachment-1517\" decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1517\" src=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/pir-circuit-example-192x300.png\" alt=\"A PIR sensor attached to a micro-controller and buzzer for output.\" width=\"192\" height=\"300\" srcset=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/pir-circuit-example-192x300.png 192w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/pir-circuit-example-768x1200.png 768w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/pir-circuit-example-655x1024.png 655w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/pir-circuit-example-600x938.png 600w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/pir-circuit-example.png 2000w\" sizes=\"(max-width: 192px) 100vw, 192px\" \/><p id=\"caption-attachment-1517\" class=\"wp-caption-text\">A PIR sensor attached to a micro-controller and buzzer for output.<\/p><\/div>\n<p>Source &#8211; <a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Arduino_PIR_Buzzer.svg\">Wikimedia<\/a><\/p>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">Heating<\/h2>\n<div class=\"tabcontent\">\n\n<div class=\"arconix-column-two-thirds\">\n<h3>Central Heating<\/h3>\n<p>Central heating systems now include increasingly complex micro-processing units. Modern systems can be controlled via an app on your phone, or even control themselves through location and behavior monitoring.<\/p>\n<p><strong>Inputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Temperature input<\/li>\n<li>Location sensors ( central heating only activates when the owner comes home)<\/li>\n<\/ul>\n<\/div>\n<p><strong>Outputs<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Turn on the boiler<\/li>\n<li>Close automated windows and vents<\/li>\n<\/ul>\n<\/div>\n<p><strong>Preset Values<\/strong><\/p>\n<div class=\"arconix-list\" data-arconix-icon=\"fa-chevron-circle-right\" data-arconix-color=\"black\">\n<ul>\n<li>Temperature setting on the dial<\/li>\n<li>Heating on\/off times<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"arconix-column-one-third\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-1518\" src=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/Nest_front_official-300x294.png\" alt=\"nest_front_official\" width=\"300\" height=\"294\" srcset=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/Nest_front_official-300x294.png 300w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/Nest_front_official-768x754.png 768w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/Nest_front_official.png 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">Activity<\/h2>\n<div class=\"tabcontent\">\n\n<div class=\"arconix-column-two-thirds\">\n<h3>Activity &#8211; Micro-controller Control Application Slides<\/h3>\n<p>Create a copy of the Google Slides on the right hand side of this tab. Using the first slide as a template, complete the additional slides.<\/p>\n<p>Note: You must be logged in to Google to make a copy of the slides document.<\/p>\n<\/div>\n<div class=\"arconix-column-one-third\">\n<div id=\"attachment_1513\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/docs.google.com\/presentation\/d\/1AfSyZCNvr-_Vp9MDZME4eu3hnSideltoDxLStsddvvo\/edit?usp=sharing\"><img aria-describedby=\"caption-attachment-1513\" decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-1513\" src=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/greehouse-slides-thumb-300x184.png\" alt=\"Click the image for the link.\" width=\"300\" height=\"184\" srcset=\"https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/greehouse-slides-thumb-300x184.png 300w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/greehouse-slides-thumb-768x470.png 768w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/greehouse-slides-thumb-1024x627.png 1024w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/greehouse-slides-thumb-600x367.png 600w, https:\/\/learnlearn.uk\/igcseict\/wp-content\/uploads\/sites\/3\/2015\/10\/greehouse-slides-thumb.png 1067w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1513\" class=\"wp-caption-text\">Click the image for the link.<\/p><\/div>\n<\/div>\n\n<\/div><h2 class=\"tabtitle\">Resources<\/h2>\n<div class=\"tabcontent\">\n\n<p>IPO card sorting activity<\/p>\n<p>Venn diagram style sorting cards where you sort in to Sensor inputs, Preset values, outputs<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/www.youtube.com\/watch?v=aw_RE4auFk0Video can&#8217;t be loaded because JavaScript is disabled: Monitoring and Control Systems (GCSE, IGCSE, A Level) (https:\/\/www.youtube.com\/watch?v=aw_RE4auFk0) YouTube blocked? Click here for the Google Drive Version Microprocessor Control Applications Microprocessors (aka Micro-controllers)\u00c2\u00a0are tiny computers embedded in household\u00c2\u00a0\u00c2\u00a0items, such as televisions, washing machines, burglar alarms and greenhouses. Through the use of input and output connections they&hellip;&nbsp;<a href=\"https:\/\/learnlearn.uk\/igcseict\/6-4-microprocessors-in-control-applications\/\" class=\"\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">6.4 Microprocessor Control Applications<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"on","neve_meta_content_width":83,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>6.4 Microprocessor Control Applications - IGCSE ICT<\/title>\n<meta name=\"description\" content=\"A free online lesson plan covering the ICT IGCE Microprocessor Control Applications topic. 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Click here for the Google Drive Version Microprocessor Control Applications Microprocessors (aka Micro-controllers)\u00c2\u00a0are tiny computers embedded in household\u00c2\u00a0\u00c2\u00a0items, such as televisions, washing machines, burglar alarms and greenhouses. 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