{"id":848,"date":"2018-03-31T11:19:44","date_gmt":"2018-03-31T11:19:44","guid":{"rendered":"http:\/\/fambach.net\/?p=848"},"modified":"2019-05-31T09:27:53","modified_gmt":"2019-05-31T09:27:53","slug":"gy302","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/gy302\/","title":{"rendered":"GY-302 with BH1750 Sensor"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Ansicht\" title=\"Ansicht\">Ansicht<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Daten\" title=\"Daten\">Daten<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Schaltung\" title=\"Schaltung\">Schaltung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Anschluss\" title=\"Anschluss\">Anschluss<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Einsatzzwecke\" title=\"Einsatzzwecke\">Einsatzzwecke<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Programmierung\" title=\"Programming\">Programming<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Bibliothek\" title=\"Bibliothek\">Bibliothek<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Testprogramm\" title=\"Test programme\">Test programme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Ausgabe\" title=\"Ausgabe\">Ausgabe<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Probleme\" title=\"Problems\">Problems<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Generelle_I2c_Probleme\" title=\"Generelle I2c Probleme\">Generelle I2c Probleme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fambach.net\/en\/gy302\/#Quellen\" title=\"Sources\">Sources<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Der BH1750 ist ein Sensor zur Lichtst\u00e4rkenmessung. Ich verwende den Sensor nicht diskret sondern auf dem Board GY-302. Es wird \u00fcber den I2c (Wire) Bus angesteuert. Da das&nbsp;GY-302 Board mit 5V betrieben wird, ist es zur Ansteuerung \u00fcber den Ardunio Uno geeignet.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ansicht\"><\/span>Ansicht<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h1 class=\"wp-block-heading\"><figure><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY302Front.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-874\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY302Front.jpg\" alt=\"\" width=\"400\" height=\"507\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY302Front.jpg 400w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY302Front-237x300.jpg 237w\" sizes=\"(max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\" \/><\/a><\/figure><\/h1>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY302Back.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"323\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY302Back.jpg\" alt=\"\" class=\"wp-image-873\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY302Back.jpg 400w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY302Back-300x242.jpg 300w\" sizes=\"(max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\" \/><\/a><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Daten\"><\/span>Daten<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n<table id=\"tablepress-8\" class=\"tablepress tablepress-id-8\">\n<thead>\n<tr class=\"row-1\">\n<th class=\"column-1\">Name<\/th>\n<th class=\"column-2\">GY-302 with BH1750 Sensor <\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n<td class=\"column-1\">Sensortyp<\/td>\n<td class=\"column-2\">Luxmeter (Lichtst\u00e4rkemessung)<\/td>\n<\/tr>\n<tr class=\"row-3\">\n<td class=\"column-1\">Betriebsspannung<\/td>\n<td class=\"column-2\">5V<\/td>\n<\/tr>\n<tr class=\"row-4\">\n<td class=\"column-1\">Sensorspannung <\/td>\n<td class=\"column-2\">1,8-3,6V<\/td>\n<\/tr>\n<tr class=\"row-5\">\n<td class=\"column-1\">Bus<\/td>\n<td class=\"column-2\">I2c ( 0x23 \/ 0x5C )<\/td>\n<\/tr>\n<tr class=\"row-6\">\n<td class=\"column-1\">Genauigkeit<\/td>\n<td class=\"column-2\">1 Lux<\/td>\n<\/tr>\n<tr class=\"row-7\">\n<td class=\"column-1\">Messbereiche<\/td>\n<td class=\"column-2\">1 &#8211; 65535 Lux<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- #tablepress-8 from cache --><\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Schaltung\"><\/span>Schaltung<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>Die Schaltung ist \u00e4hnlich (siehe Skizze) wie bei anderen GY Boards. Das GY-302 bietet zus\u00e4tzlich die M\u00f6glichkeit zwischen zwei Bus-Adressen zu w\u00e4hlen. Dies erm\u00f6glicht es 2 Chips der gleichen Art am selben Bus zu betreiben. Standardeinstellung ist Masse oder einfach unbeschaltet lassen.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/BH1750Sketch_bb.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1002\" height=\"729\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/BH1750Sketch_bb.png\" alt=\"\" class=\"wp-image-908\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/BH1750Sketch_bb.png 1002w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/BH1750Sketch_bb-300x218.png 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/BH1750Sketch_bb-768x559.png 768w\" sizes=\"(max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\" \/><\/a><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Anschluss\"><\/span>Anschluss<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<table class=\"wp-block-table\"><tbody><tr><td>Ground<\/td><td>Masse<\/td><\/tr><tr><td>ADDR<\/td><td>I2c Adresse Masse = 0x23 \/ + 5v = 0x5C<\/td><\/tr><tr><td>Seventh-day Adventist<\/td><td>I2C SDA<\/td><\/tr><tr><td>SCL<\/td><td>I2C SCL<\/td><\/tr><tr><td>VCC<\/td><td>5 V<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Einsatzzwecke\"><\/span>Einsatzzwecke<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul><li>Steuerung von Jalousien oder Rollos<\/li><li>Findung der hellsten Stelle<\/li><li>Lichtmessung im B\u00fcro<\/li><li>Zeitsteuerung nach Sonnenauf\/untergang<\/li><\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Programmierung\"><\/span>Programming<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bibliothek\"><\/span>Bibliothek<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Im Github gibts eine Bibliothek, welche den Sensor ansteuern kann.<br>\nDiese habe ich f\u00fcr meine Tests verwendet. Der Eintrag im Git hat auch eine detaillierte Beschreibung zu Verkabelung und Verwendung.<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/github.com\/claws\/BH1750\n<\/div><\/figure>\n\n\n\n<p>Die Bibliothek als Zip-Datei herunterladen und \u00fcber den Bibliotheksmanager installieren (Wie es geht seht ihr <a href=\"https:\/\/www.fambach.net\/en\/arduino-ide\/#UnbekannteBibliothek\">hier<\/a>).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Testprogramm\"><\/span>Test programme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Bei der Bibliothek sind 3 Testprogramme enthalten, ich habe mich f\u00fcr&nbsp;<a href=\"https:\/\/github.com\/claws\/BH1750\/tree\/master\/examples\/BH1750test\">BH1750test<\/a>.ino entschieden.<\/p>\n\n\n\n<p>Wie ein Testprogramm ausge\u00e4hlt wird,&nbsp; findet ihr <a href=\"https:\/\/www.fambach.net\/en\/arduino-ide\/#Testprogramm\">hier<\/a>.<\/p>\n\n\n\n<p>Pfad: BH1750-&gt;<a href=\"https:\/\/github.com\/claws\/BH1750\/tree\/master\/examples\/BH1750test\">BH1750test<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ausgabe\"><\/span>Ausgabe<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Die Ausagbe ist schlicht und zeigt den aktuell gemessenen Lux Wert.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY302ConsoleOutput.png\"><img loading=\"lazy\" decoding=\"async\" width=\"402\" height=\"332\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY302ConsoleOutput.png\" alt=\"\" class=\"wp-image-849\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY302ConsoleOutput.png 402w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY302ConsoleOutput-300x248.png 300w\" sizes=\"(max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\" \/><\/a><\/figure>\n\n\n\n<p>Leider kann ich mangels Referenzwert nicht vergleichen wie genau die Messungen sind.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Probleme\"><\/span>Problems<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Generelle_I2c_Probleme\"><\/span>Generelle I2c Probleme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-stefan-039-s-webblog\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"rv5XMXgbIL\"><a href=\"https:\/\/www.fambach.net\/en\/uno-wire-scannen\/\">Uno &#8211; Wire Scannen<\/a><\/blockquote><iframe title=\"&#8222;Uno &#8211; Wire Scannen&#8220; &#8212; Stefan&#039;s WebBlog\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" src=\"https:\/\/www.fambach.net\/uno-wire-scannen\/embed\/#?secret=rv5XMXgbIL\" data-secret=\"rv5XMXgbIL\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quellen\"><\/span>Sources<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/github.com\/claws\/BH1750\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.mysensors.org\/build\/light-bh1750\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttp:\/\/www.mouser.com\/ds\/2\/348\/bh1750fvi-e-186247.pdf\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>Der BH1750 ist ein Sensor zur Lichtst\u00e4rkenmessung. Ich verwende den Sensor nicht diskret sondern auf dem Board GY-302. Es wird \u00fcber den I2c (Wire) Bus angesteuert. Da das&nbsp;GY-302 Board mit 5V betrieben wird, ist es zur Ansteuerung \u00fcber den Ardunio Uno geeignet. Ansicht Daten Schaltung Die Schaltung ist \u00e4hnlich (siehe Skizze) wie bei anderen GY &#8230;<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/gy302\/\" class=\"read-more-link\">Continue reading <span class=\"screen-reader-text\">\"GY-302 mit Sensor BH1750\"<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a>","protected":false},"author":1,"featured_media":874,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[178,180,197],"tags":[94,22,51],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/848"}],"collection":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/comments?post=848"}],"version-history":[{"count":11,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/848\/revisions"}],"predecessor-version":[{"id":3817,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/848\/revisions\/3817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/874"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}