{"id":327,"date":"2020-07-27T05:39:16","date_gmt":"2020-07-27T05:39:16","guid":{"rendered":"http:\/\/blog.rctoysky.com\/?p=327"},"modified":"2020-07-27T05:46:27","modified_gmt":"2020-07-27T05:46:27","slug":"px4-avionic-power-low-4-30v","status":"publish","type":"post","link":"https:\/\/blog.rctoysky.com\/?p=327","title":{"rendered":"PX4 avionic power  low :4.30V"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"591\" height=\"183\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-14.png\" alt=\"\" class=\"wp-image-329\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-14.png 591w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-14-300x93.png 300w\" sizes=\"(max-width: 591px) 100vw, 591px\" \/><\/figure>\n\n\n\n<p>Some people may meet this problem,If this error causes the pixhawk to fail to arm, it is because the voltage value cannot be read from the 3DR power Module.This problem is not caused by the low voltage of pixhawk hardware, but because pixhawk cannot read the battery voltage.<\/p>\n\n\n\n<p>the following issues cause this problem<\/p>\n\n\n\n<p>1.No using  3DR power Module . <\/p>\n\n\n\n<p>2. The 3DR Power Module is bad, <strong>can not read the batter volate from 3DR power Module<\/strong>.Or  can not support 5.2V-5.3V voltage. <\/p>\n\n\n\n<p>PX4 firmware should use 3DR Power Module, what is Power Module?<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"932\" height=\"570\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-15.png\" alt=\"\" class=\"wp-image-330\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-15.png 932w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-15-300x183.png 300w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-15-768x470.png 768w\" sizes=\"(max-width: 932px) 100vw, 932px\" \/><\/figure>\n\n\n\n<p>This is 3DR power Module.<\/p>\n\n\n\n<p>How to judge whether the 3DR power module is normal?<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"708\" height=\"451\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-16.png\" alt=\"\" class=\"wp-image-331\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-16.png 708w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-16-300x191.png 300w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/figure>\n\n\n\n<p>if your 3DR power Module does not have 5.2V-5.3V, it means that your  3DR power Module  is bad. Can not use for PX4 firmware.<\/p>\n\n\n\n<p>If you add 3DR power Module and it is GOOD ,how to calibrate it?<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"509\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-17.png\" alt=\"\" class=\"wp-image-332\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-17.png 776w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-17-300x197.png 300w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-17-768x504.png 768w\" sizes=\"(max-width: 776px) 100vw, 776px\" \/><\/figure>\n\n\n\n<p>More information you can see here, <a href=\"https:\/\/docs.px4.io\/v1.9.0\/en\/config\/battery.html\">https:\/\/docs.px4.io\/v1.9.0\/en\/config\/battery.html<\/a> <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"579\" height=\"393\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-18.png\" alt=\"\" class=\"wp-image-333\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-18.png 579w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2020\/07\/image-18-300x204.png 300w\" sizes=\"(max-width: 579px) 100vw, 579px\" \/><\/figure>\n\n\n\n<p>Make sure the BAT_SOURCE is Power Module.<\/p>\n\n\n\n<p>If you can not calibrate the batter data,it means that your 3DR Power Module is bad, or you do not use the 3DR power module.<\/p>\n\n\n\n<p>A<strong>fter you calibrate the Power data, you will can arm the pixhawk  sucessfully , but the message maybe display all the time ,ignore it. Because this is just a prompt message of PX4. If pixhawk can read  volate  data  from 3DR POWER module, it can arm sucessfully.<\/strong><\/p>\n\n\n\n<p>If do not have 3DR power Module or 3DR power Module is bad, how to use pixhawk?<\/p>\n\n\n\n<p>Download Mission planner to upload and use ardupilot firmware. Ardupilot can use without 3DR power Module.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some people may meet this problem,If this error causes the pixhawk to fail to arm, it is because the voltage<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/posts\/327"}],"collection":[{"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=327"}],"version-history":[{"count":4,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/posts\/327\/revisions"}],"predecessor-version":[{"id":337,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/posts\/327\/revisions\/337"}],"wp:attachment":[{"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}