{"id":1028,"date":"2020-11-27T09:03:03","date_gmt":"2020-11-27T09:03:03","guid":{"rendered":"https:\/\/open-boat-projects.org\/?page_id=1028"},"modified":"2023-07-12T23:15:49","modified_gmt":"2023-07-12T23:15:49","slug":"diy-kielsensor","status":"publish","type":"page","link":"https:\/\/open-boat-projects.org\/en\/diy-kielsensor\/","title":{"rendered":"DIY keel sensor"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1031 size-large\" src=\"https:\/\/open-boat-projects.org\/wp-content\/uploads\/2020\/11\/Kielsensor-1024x768.jpg\" alt=\"\" width=\"952\" height=\"714\" srcset=\"https:\/\/open-boat-projects.org\/wp-content\/uploads\/2020\/11\/Kielsensor-1024x768.jpg 1024w, https:\/\/open-boat-projects.org\/wp-content\/uploads\/2020\/11\/Kielsensor-300x225.jpg 300w, https:\/\/open-boat-projects.org\/wp-content\/uploads\/2020\/11\/Kielsensor-768x576.jpg 768w, https:\/\/open-boat-projects.org\/wp-content\/uploads\/2020\/11\/Kielsensor-16x12.jpg 16w, https:\/\/open-boat-projects.org\/wp-content\/uploads\/2020\/11\/Kielsensor.jpg 1280w\" sizes=\"auto, (max-width: 952px) 100vw, 952px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.segeln-forum.de\/thread\/76840-hubkielsensor-diy\/\">https:\/\/www.segeln-forum.de\/thread\/76840-hubkielsensor-diy\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Gerry from the sailing forum has built a keel sensor to show the depth of a recoverable keel. In addition to the keel depth, the heel is also displayed. The keel depth is measured with the help of an ultrasonic sensor. For this purpose, the sensor is attached inside the keel box and looks at the lowered keel from above. The measurement data can be displayed via WLAN, for example in a mobile phone browser. The following components were used for the keel sensor:<\/p>\n<ul>\n<li>ESP32 NodeMCU (WLAN-enabled microcontroller)<\/li>\n<li><a href=\"https:\/\/www.maxbotix.com\/documents\/HRLV-MaxSonar-EZ_Datasheet.pdf\"><span class=\"d2edcug0 hpfvmrgz qv66sw1b c1et5uql gk29lw5a a8c37x1j keod5gw0 nxhoafnm aigsh9s9 d9wwppkn fe6kdd0r mau55g9w c8b282yb hrzyx87i jq4qci2q a3bd9o3v knj5qynh oo9gr5id hzawbc8m\" dir=\"auto\">MB1043 HRLV-MaxSonar-EZ4<\/span><\/a> (ultrasonic sensor with narrow beam)<\/li>\n<li><span class=\"d2edcug0 hpfvmrgz qv66sw1b c1et5uql gk29lw5a a8c37x1j keod5gw0 nxhoafnm aigsh9s9 d9wwppkn fe6kdd0r mau55g9w c8b282yb hrzyx87i jq4qci2q a3bd9o3v knj5qynh oo9gr5id hzawbc8m\" dir=\"auto\">MMA8452<\/span> (3-axis gyro sensor for inclination display )<\/li>\n<li><span class=\"d2edcug0 hpfvmrgz qv66sw1b c1et5uql gk29lw5a a8c37x1j keod5gw0 nxhoafnm aigsh9s9 d9wwppkn fe6kdd0r mau55g9w c8b282yb hrzyx87i jq4qci2q a3bd9o3v knj5qynh oo9gr5id hzawbc8m\" dir=\"auto\">D24V10F5<\/span> (voltage regulator)<\/li>\n<\/ul>\n<p>The whole thing can be set up quite easily on a breadboard. <a href=\"https:\/\/open-boat-projects.org\/wp-content\/uploads\/2020\/11\/Kielsensor_Schaltplan.pdf\">Circuit diagram<\/a> tells you more about the wiring.<\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp; https:\/\/www.segeln-forum.de\/thread\/76840-hubkielsensor-diy\/ Gerry from the sailing forum built a keel sensor to display the extended depth of a recoverable keel. In addition to the keel depth, the heeling is also displayed. The keel depth is measured using an ultrasonic sensor. For this purpose, the sensor is installed inside the keel box and looks at the lowered keel from above. The measurement data can\u2026 <a href=\"https:\/\/open-boat-projects.org\/en\/diy-kielsensor\/\" class=\"more-link\">Read more <span class=\"screen-reader-text\">DIY keel sensor<\/span><\/a><\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[40,39],"tags":[],"class_list":["post-1028","page","type-page","status-publish","hentry","category-openhardware","category-opensource"],"_links":{"self":[{"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/pages\/1028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/comments?post=1028"}],"version-history":[{"count":5,"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/pages\/1028\/revisions"}],"predecessor-version":[{"id":5057,"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/pages\/1028\/revisions\/5057"}],"wp:attachment":[{"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/media?parent=1028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/categories?post=1028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/open-boat-projects.org\/en\/wp-json\/wp\/v2\/tags?post=1028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}