{"id":2664,"date":"2024-11-17T21:34:51","date_gmt":"2024-11-17T20:34:51","guid":{"rendered":"https:\/\/tomas.dk\/ps\/?p=2664"},"modified":"2024-11-17T21:34:51","modified_gmt":"2024-11-17T20:34:51","slug":"vejrstation-del-1","status":"publish","type":"post","link":"https:\/\/tomas.dk\/ps\/vejrstation-del-1\/","title":{"rendered":"Vejrstation del 1"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1136\" height=\"1024\" data-attachment-id=\"2659\" data-permalink=\"https:\/\/tomas.dk\/ps\/regntemp\/\" data-orig-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-scaled.jpg\" data-orig-size=\"2560,2307\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.3&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;XQ-BQ52&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1731850260&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;10.22&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.000625&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"RegnTemp\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-300x270.jpg\" data-large-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-1136x1024.jpg\" src=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-1136x1024.jpg\" alt=\"\" class=\"wp-image-2659\" srcset=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-1136x1024.jpg 1136w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-300x270.jpg 300w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-150x135.jpg 150w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-768x692.jpg 768w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-1536x1384.jpg 1536w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-2048x1846.jpg 2048w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTemp-1568x1413.jpg 1568w\" sizes=\"auto, (max-width: 1136px) 100vw, 1136px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#Indledning\" data-type=\"internal\" data-id=\"#Indledning\">Indledning<\/a><\/li>\n\n\n\n<li><a href=\"#Oversigt\">Oversigt<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Indledning<\/h2>\n\n\n\n<p id=\"Indledning\">I forbindelse med vi flyttede adresse besluttede jeg mig for at droppe min noget bedagede LaCrosse Weather Station 2300. Den var efterh\u00e5nden blevet noget ustabil i den tr\u00e5dl\u00f8se forbindelse, vindm\u00e5leren var slidt ned i lejerne og diverse stik viste tegn p\u00e5 korrosion.<\/p>\n\n\n\n<p>I denne del af serien om min nye vejrstation vil jeg pr\u00f8ve at dele mine overvejelser om valg af materialer, dimensioner og skematisk opbygning af setup&#8217;et.<br \/>N\u00e6ste del vil indeholde mine tegninger og den software jeg har skrevet.<\/p>\n\n\n\n<p>Jeg kunne enten k\u00f8be en ny, dyr og formodentlig ville den ikke have drivere og software for Linux eller selv bygge en, med de udfordringer det ville give mig.<\/p>\n\n\n\n<p>Valget var dog ikke s\u00e5 sv\u00e6rt, s\u00e5 jeg valgte selv at bygge en, da jeg relativt nemt ville kunne printe plastikdelene p\u00e5 min 3D printer.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Oversigt\">Oversigt<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"741\" height=\"417\" data-attachment-id=\"2663\" data-permalink=\"https:\/\/tomas.dk\/ps\/vejrstationoversigt-drawio\/\" data-orig-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/VejrStationOversigt.drawio.png\" data-orig-size=\"741,417\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"VejrStationOversigt.drawio\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/VejrStationOversigt.drawio-300x169.png\" data-large-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/VejrStationOversigt.drawio.png\" src=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/VejrStationOversigt.drawio.png\" alt=\"\" class=\"wp-image-2663\" srcset=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/VejrStationOversigt.drawio.png 741w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/VejrStationOversigt.drawio-300x169.png 300w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/VejrStationOversigt.drawio-150x84.png 150w\" sizes=\"auto, (max-width: 741px) 100vw, 741px\" \/><\/figure>\n\n\n\n<p>Til at opsamle data valgte jeg at bruge en Arduino pro mini 5V 16MHz version. Den er nem at kode, fylder lidt, nem at montere p\u00e5 et prototype print.<br \/>Temperatur m\u00e5ler blev en AM2120, da den indeholder b\u00e5de temperatur og luftfugtighedssensorer. Luftfugtighedssensoren m\u00e5ler teoretisk fra 0-99% modsat flere andre typer, som kun m\u00e5ler 20-90%. Jeg har ogs\u00e5 en m\u00e5ling der viser 99.9%.<br \/>Lufttryk m\u00e5les med en BMP280. Den er enkel og simpel at skrive kode til og rimelig pr\u00e6sis. I min kode har jeg lavet mulighed for at justere temperatur og tryk, da sensorerne har en anelse afvigelse. Trykket afh\u00e6nger desuden af h\u00f8jden, s\u00e5 det er der mulighed for at tilpasse.<\/p>\n\n\n\n<p>Databehandling og lagring i database udf\u00f8res p\u00e5 en Raspberry PI 4 med 8GB RAM og en ekstern harddisk\/USB drev.<br \/>Operativsystemet er Linux og det meste af koden er skrevet i Python, perl og lidt php. <br \/>Databasen er Mariadb.<br \/>Webserver er Apache.<\/p>\n\n\n\n<p>Jeg har lavet en meget simpel api til at levere data til et display der viser de vigtigste data.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"783\" data-attachment-id=\"2665\" data-permalink=\"https:\/\/tomas.dk\/ps\/vejrstation-del-1\/tempude\/\" data-orig-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-scaled.jpg\" data-orig-size=\"2560,1670\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.3&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;XQ-BQ52&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1731873655&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;10.22&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"TempUde\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-300x196.jpg\" data-large-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-1200x783.jpg\" src=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-1200x783.jpg\" alt=\"\" class=\"wp-image-2665\" srcset=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-1200x783.jpg 1200w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-300x196.jpg 300w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-150x98.jpg 150w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-768x501.jpg 768w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-1536x1002.jpg 1536w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-2048x1336.jpg 2048w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/TempUde-1568x1023.jpg 1568w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p>Der ud over har jeg lidt mere avanceret visning p\u00e5 min vejr hjemmeside: <a href=\"https:\/\/tomas.dk\/Vejr\/Vejrgrafer.html\">Vejrgrafer<\/a><\/p>\n\n\n\n<p>I regnm\u00e5leren har jeg benyttet en proximity sensor, da jeg havde en til at ligge og da reed rel\u00e6et drillede. Den magnet jeg havde p\u00e5t\u00e6nkt at bruge, var s\u00e5 kraftig, at den kunne holde vippeb\u00e6geret selvom det var helt fyldt med vand. L\u00f8sningen blev at erstatte magneten med en stump 6mm gevindstump p\u00e5 ca. 8mm l\u00e6ngde. De 4 mm blev filet flad og proximity sensoren blev anbragt s\u00e5 f\u00f8leren var ca. 1,5mm fra fladen. Det var desuden n\u00f8dvendigt, at bore et 8mm hul i bunden af regnm\u00e5leren.<\/p>\n\n\n\n<div class=\"wp-block-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"900\" data-attachment-id=\"2666\" data-permalink=\"https:\/\/tomas.dk\/ps\/vejrstation-del-1\/regntempcloseup-2\/\" data-orig-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-scaled.jpg\" data-orig-size=\"2560,1920\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.3&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;XQ-BQ52&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1731850287&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;10.22&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.00125&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"RegnTempCloseup\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-300x225.jpg\" data-large-file=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-1200x900.jpg\" class=\"wp-block-cover__image-background wp-image-2666\" alt=\"\" src=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-1200x900.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-1200x900.jpg 1200w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-300x225.jpg 300w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-150x113.jpg 150w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-768x576.jpg 768w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-1536x1152.jpg 1536w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-2048x1536.jpg 2048w, https:\/\/tomas.dk\/ps\/wp-content\/uploads\/2024\/11\/RegnTempCloseup-1-1568x1176.jpg 1568w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size\">Regnm\u00e5ler med proximity Sensor<\/p>\n<\/div><\/div>\n\n\n\n<p>Alle dele er printet i PETG, da det er rimeligt nemt at printe i, vejrbestandig og fysisk st\u00e6rkt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Indledning I forbindelse med vi flyttede adresse besluttede jeg mig for at droppe min noget bedagede LaCrosse Weather Station 2300. Den var efterh\u00e5nden blevet noget ustabil i den tr\u00e5dl\u00f8se forbindelse, vindm\u00e5leren var slidt ned i lejerne og diverse stik viste tegn p\u00e5 korrosion. I denne del af serien om min nye vejrstation vil jeg pr\u00f8ve&hellip; <a class=\"more-link\" href=\"https:\/\/tomas.dk\/ps\/vejrstation-del-1\/\">L\u00e6s mere <span class=\"screen-reader-text\">Vejrstation del 1<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12231,28,6,17],"tags":[12232,12320,12318,12319,12294,12292],"class_list":["post-2664","post","type-post","status-publish","format-gallery","hentry","category-3d","category-linux","category-teknik","category-vejr","tag-3d-print","tag-luftfugtighed","tag-programmering","tag-regn","tag-temperatur","tag-vejrstation","post_format-post-format-gallery","entry"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/posts\/2664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/comments?post=2664"}],"version-history":[{"count":1,"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/posts\/2664\/revisions"}],"predecessor-version":[{"id":2667,"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/posts\/2664\/revisions\/2667"}],"wp:attachment":[{"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/media?parent=2664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/categories?post=2664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tomas.dk\/ps\/wp-json\/wp\/v2\/tags?post=2664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}