{"id":831,"date":"2018-03-31T08:33:47","date_gmt":"2018-03-31T08:33:47","guid":{"rendered":"http:\/\/fambach.net\/?p=831"},"modified":"2019-05-31T09:28:10","modified_gmt":"2019-05-31T09:28:10","slug":"uno-bmp85-bmp180-gy-68","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/uno-bmp85-bmp180-gy-68\/","title":{"rendered":"GY-68 with BMP85\/BMP180 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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#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\/uno-bmp85-bmp180-gy-68\/#Quellen\" title=\"Sources\">Sources<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Der Bosch BMP85 ist ein barometrischer Sensor.&nbsp; Er kann den Luftdruck und die Temperatur messen, um daraus die aktuelle H\u00f6he \u00fcber 0 zu berechnen.&nbsp; Der BMP85 wird nicht mehr hergestellt und wurde durch den BMP180 abgel\u00f6st. Der BMP180 ist von der Bauform kleiner aber ansonsten fast baugleich mit seinem Vorg\u00e4nger.&nbsp; Unterschiede k\u00f6nnen den gelinkten Datenbl\u00e4ttern entnommen werden.&nbsp; Bei den Kerndaten habe ich bis auf den h\u00f6heren Stromverbauch beim BMP180 keine Unterschiede feststellen k\u00f6nnen. (Datenbl\u00e4tter&nbsp;<a href=\"https:\/\/www.sparkfun.com\/datasheets\/Components\/General\/BST-BMP085-DS000-05.pdf\">BMP85<\/a> \/ <a href=\"http:\/\/www.santy.cz\/data\/items\/179_44.pdf\">BMP180<\/a>)<br>\nDer Sensor kann mit 1,8v bis 3,6V betrieben werden. Da der Arduino einen 5V I2c Bus hat empfiehlt es sich ein Sensorboard wie das GY-68 zu verwenden.<\/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<figure class=\"wp-block-image\"><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY68Front.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"421\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY68Front.jpg\" alt=\"\" class=\"wp-image-878\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY68Front.jpg 400w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY68Front-285x300.jpg 285w\" 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<figure class=\"wp-block-image\"><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY68Back.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"438\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY68Back.jpg\" alt=\"\" class=\"wp-image-880\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY68Back.jpg 400w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY68Back-274x300.jpg 274w\" 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-7\" class=\"tablepress tablepress-id-7\">\n<thead>\n<tr class=\"row-1\">\n<th class=\"column-1\">Name<\/th>\n<th class=\"column-2\">GY-68 mit Sensor BMP85\/180 <\/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\">Barometer<br \/>\nThermometer<\/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<\/td>\n<\/tr>\n<tr class=\"row-6\">\n<td class=\"column-1\">Genauigkeit<\/td>\n<td class=\"column-2\">0,01 hPa <br \/>\n0,1\u00b0C<\/td>\n<\/tr>\n<tr class=\"row-7\">\n<td class=\"column-1\">Messbereiche<\/td>\n<td class=\"column-2\">300hPa bis 1100 hPa<br \/>\n0\u00b0C bis +65\u00b0C<\/td>\n<\/tr>\n<tr class=\"row-8\">\n<td class=\"column-1\"><\/td>\n<td class=\"column-2\"><\/td>\n<\/tr>\n<tr class=\"row-9\">\n<td class=\"column-1\"><\/td>\n<td class=\"column-2\"><\/td>\n<\/tr>\n<tr class=\"row-10\">\n<td class=\"column-1\"><\/td>\n<td class=\"column-2\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- #tablepress-7 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<figure class=\"wp-block-image\"><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/ScanWireSketch.png\"><img loading=\"lazy\" decoding=\"async\" width=\"963\" height=\"810\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/ScanWireSketch.png\" alt=\"\" class=\"wp-image-823\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ScanWireSketch.png 963w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ScanWireSketch-300x252.png 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/ScanWireSketch-768x646.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>Seventh-day Adventist<\/td><td>I2C SDA<\/td><\/tr><tr><td>SCL<\/td><td>I2C SCL<\/td><\/tr><tr><td>Vin<\/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>Bestimmung der H\u00f6he \u00fcber 0<\/li><li>Ausgleich\/Vergleich von Aussen- und Innendruck<\/li><li>Warnung vor \u00dcberdruck<\/li><li>Erh\u00f6hung der Genauigkeit bei GPS<\/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>Es gibt von Adafruit zwei Treiber-Bibliotheken. Eine \u00e4ltere und die neue &#8222;Unified&#8220;. Beide leisten das Gleiche. Die &#8222;Unified&#8220; folgt den Adafruit Programmierrichtlinien f\u00fcr Sensoren und ist somit bei einem Sensorwechsel leichter austauschbar.<\/p>\n\n\n\n<p>Sucht im Bibliotheksmanger nach BMP180.<\/p>\n\n\n\n<p>Wie das geht seht ihr <a href=\"https:\/\/www.fambach.net\/en\/arduino-ide\/#BekannteBibliothek\">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>Das Beispielprogramm ist&nbsp; in der Bibliothek enthalten. Diese habe ich f\u00fcr meine ersten Test verwendet.<\/p>\n\n\n\n<p>Pfad ist: Adafruit BMP085 Unified -&gt; sensorapi<\/p>\n\n\n\n<p><a href=\"https:\/\/www.fambach.net\/en\/arduino-ide\/#Beispielprogramm\">Hier<\/a> seht ihr wie ihr ein Beispielprogramm ausw\u00e4hlen k\u00f6nnt.<\/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 Ausgabe sieht erstmal OK aus. Mangels Vergleichswerten konnte ich diese, bis auf die Temperatur, nicht auf ihre Genauigkeit \u00fcberpr\u00fcfen. Die Temperatur war rund 2 Grad zu hoch.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY68testconsoleoutput.png\"><img loading=\"lazy\" decoding=\"async\" width=\"437\" height=\"394\" src=\"https:\/\/fambach.net\/wp-content\/uploads\/2018\/03\/GY68testconsoleoutput.png\" alt=\"\" class=\"wp-image-837\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY68testconsoleoutput.png 437w, https:\/\/www.fambach.net\/wp-content\/uploads\/2018\/03\/GY68testconsoleoutput-300x270.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<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=\"wysNO4qTVG\"><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=wysNO4qTVG\" data-secret=\"wysNO4qTVG\" 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\/adafruit\/Adafruit-BMP085-Library\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/github.com\/adafruit\/Adafruit_BMP085_Unified\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>Der Bosch BMP85 ist ein barometrischer Sensor.&nbsp; Er kann den Luftdruck und die Temperatur messen, um daraus die aktuelle H\u00f6he \u00fcber 0 zu berechnen.&nbsp; Der BMP85 wird nicht mehr hergestellt und wurde durch den BMP180 abgel\u00f6st. Der BMP180 ist von der Bauform kleiner aber ansonsten fast baugleich mit seinem Vorg\u00e4nger.&nbsp; Unterschiede k\u00f6nnen den gelinkten Datenbl\u00e4ttern &#8230;<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/uno-bmp85-bmp180-gy-68\/\" class=\"read-more-link\">Continue reading <span class=\"screen-reader-text\">\"GY-68 mit Sensor BMP85\/BMP180\"<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a>","protected":false},"author":1,"featured_media":878,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[178,180,182],"tags":[94,22,50],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/831"}],"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=831"}],"version-history":[{"count":17,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/831\/revisions"}],"predecessor-version":[{"id":3818,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/831\/revisions\/3818"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/878"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}