{"id":1777,"date":"2011-02-20T20:35:09","date_gmt":"2011-02-20T19:35:09","guid":{"rendered":"http:\/\/motvind.homeip.net\/wordpress\/?p=1777"},"modified":"2011-02-20T20:37:22","modified_gmt":"2011-02-20T19:37:22","slug":"overvaking-av-str%c3%b8mforbruk-del-2","status":"publish","type":"post","link":"https:\/\/motvind.homeip.net\/wordpress\/?p=1777","title":{"rendered":"Overv\u00c3\u00a5king av str\u00c3\u00b8mforbruk &#8211; del 2"},"content":{"rendered":"<p><a href=\"http:\/\/motvind.homeip.net\/wordpress\/?p=1772\">Del 1<\/a><\/p>\n<p>Dette er visst et av de prosjektene der alt g\u00c3\u00a5r lett og greit (sjelden vare).<\/p>\n<p>Forrige helg skrev jeg et veldig enkelt grensesnitt for serieporten og flyttet Arduino-koden over p\u00c3\u00a5 en Nano (billigere og mer kompakt). S\u00c3\u00a5 loddet jeg p\u00c3\u00a5 noen meter h\u00c3\u00b8yttalerkabel p\u00c3\u00a5 fotodioden og plasserte Arduinoen ved webserveren i kjelleren. Der kj\u00c3\u00b8rte jeg igang et enkelt Perl-script som kommuniserer med Arduinoen en gang i minuttet og henter antall blink siden sist. M\u00c3\u00a5lingene plasseres i en MySQL-database. Noen dager senere lagde jeg en enkel PHP-sak som ved hjelp av jpgraph lager en grafisk fremstilling av str\u00c3\u00b8mforbruket et bestemt d\u00c3\u00b8gn. Dette har jeg planer om \u00c3\u00a5 utvide med grafer for uker, m\u00c3\u00a5neder og kanskje kortere perioder enn et d\u00c3\u00b8gn.<\/p>\n<p>Det er ganske spennende \u00c3\u00a5 se p\u00c3\u00a5 endringer i forbruket i l\u00c3\u00b8pet av dagen. Jeg ser bl.a. at varmtvannsberederen p\u00c3\u00a5 2000 watt kobler inn med jevne mellomrom. Det ser ogs\u00c3\u00a5 ut som varmekablene p\u00c3\u00a5 badet (300 watt?) sl\u00c3\u00a5r seg av n\u00c3\u00a5r jeg har fyret lenge nok med ved (=h\u00c3\u00b8yere romtemperatur i hele huset).<\/p>\n<p><a href=\"http:\/\/motvind.homeip.net\/st\/day_graph.php?y=2011&amp;m=2&amp;d=20\">http:\/\/motvind.homeip.net\/st\/day_graph.php?y=2011&amp;m=2&amp;d=20<\/a><\/p>\n<p><a href=\"http:\/\/motvind.homeip.net\/st\/\">http:\/\/motvind.homeip.net\/st\/<\/a><\/p>\n<p><a href=\"http:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01083-custom.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1779 alignnone\" title=\"dsc01083-custom\" src=\"http:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01083-custom-300x225.jpg\" alt=\"dsc01083-custom\" width=\"300\" height=\"225\" srcset=\"https:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01083-custom-300x225.jpg 300w, https:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01083-custom-1024x768.jpg 1024w, https:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01083-custom.jpg 1200w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><a href=\"http:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01082-custom.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1780 alignnone\" title=\"dsc01082-custom\" src=\"http:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01082-custom-300x225.jpg\" alt=\"dsc01082-custom\" width=\"300\" height=\"225\" srcset=\"https:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01082-custom-300x225.jpg 300w, https:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01082-custom-1024x768.jpg 1024w, https:\/\/motvind.homeip.net\/wordpress\/wp-content\/uploads\/2011\/02\/dsc01082-custom.jpg 1200w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Del 1 Dette er visst et av de prosjektene der alt g\u00c3\u00a5r lett og greit (sjelden vare). Forrige helg skrev jeg et veldig enkelt grensesnitt for serieporten og flyttet Arduino-koden over p\u00c3\u00a5 en Nano (billigere og mer kompakt). S\u00c3\u00a5 loddet jeg p\u00c3\u00a5 noen meter h\u00c3\u00b8yttalerkabel p\u00c3\u00a5 fotodioden og plasserte Arduinoen ved webserveren i kjelleren. Der &hellip; <a href=\"https:\/\/motvind.homeip.net\/wordpress\/?p=1777\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Overv\u00c3\u00a5king av str\u00c3\u00b8mforbruk &#8211; del 2&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[362,387,51,90,93,227],"class_list":["post-1777","post","type-post","status-publish","format-standard","hentry","category-elektronikk","tag-arduino","tag-elektronikk","tag-mysql","tag-perl","tag-programmering","tag-strm"],"_links":{"self":[{"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1777","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1777"}],"version-history":[{"count":3,"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1777\/revisions"}],"predecessor-version":[{"id":1782,"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1777\/revisions\/1782"}],"wp:attachment":[{"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1777"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1777"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/motvind.homeip.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}