{"id":478,"date":"2021-11-30T04:40:58","date_gmt":"2021-11-30T04:40:58","guid":{"rendered":"http:\/\/blog.rctoysky.com\/?p=478"},"modified":"2022-08-31T06:49:44","modified_gmt":"2022-08-31T06:49:44","slug":"how-to-use-miniosd-for-pixhawk","status":"publish","type":"post","link":"https:\/\/blog.rctoysky.com\/?p=478","title":{"rendered":"How to use MiniOSD for pixhawk?"},"content":{"rendered":"\n<p><a href=\"https:\/\/code.google.com\/archive\/p\/arducam-osd\/wikis\/minimosd.wiki\">MinimOSD<\/a>&nbsp;\u201cOn-Screen Display\u201d is a small circuit board that pulls telemetry data from your APM or Pixhawk autopilot and over-lays it on your&nbsp;<a href=\"https:\/\/ardupilot.org\/rover\/docs\/common-fpv-first-person-view.html#common-fpv-first-person-view\">First Person View<\/a>&nbsp;monitor.<\/p>\n\n\n\n<p>This article provides brief instructions for how to connect the board. For more detailed instructions please refer to the&nbsp;<a href=\"https:\/\/code.google.com\/archive\/p\/arducam-osd\/wikis\/minimosd.wiki\">MinimOSD Project wiki<\/a>.<\/p>\n\n\n\n<p>If you upload the latest firmware (for example copter 4.2.3), meet this problem, &#8220;<strong>waiting for mavlink <\/strong>&#8220;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"787\" height=\"650\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/image.png\" alt=\"\" class=\"wp-image-593\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/image.png 787w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/image-300x248.png 300w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/image-768x634.png 768w\" sizes=\"(max-width: 787px) 100vw, 787px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Set <strong>SERIAL2_PROTOCOL <\/strong>or  <strong>SERIAL1_PROTOCOL<\/strong>  as 1.If you use <strong>Telem2 <\/strong>for OSD, set  <strong>SERIAL2_PROTOCOL <\/strong>as 1. if you use  Telem1 for OSD, set   set  <strong>SERIAL1_PROTOCOL <\/strong>as 1. After modify , remember to click &#8220;Write Params&#8221;button. <strong>And then reboot Pixhawk to test.<\/strong><\/p>\n\n\n\n<p> <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"481\" height=\"280\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/d6f85da614e5f0191d40873b52c0e0f.jpg\" alt=\"\" class=\"wp-image-589\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/d6f85da614e5f0191d40873b52c0e0f.jpg 481w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/d6f85da614e5f0191d40873b52c0e0f-300x175.jpg 300w\" sizes=\"(max-width: 481px) 100vw, 481px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"384\" src=\"http:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/ce2662be76c8d7515f1a12f63a93d35.jpg\" alt=\"\" class=\"wp-image-590\" srcset=\"https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/ce2662be76c8d7515f1a12f63a93d35.jpg 300w, https:\/\/blog.rctoysky.com\/wp-content\/uploads\/2022\/08\/ce2662be76c8d7515f1a12f63a93d35-234x300.jpg 234w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Overview<\/h2>\n\n\n\n<p>To connect to Pixhawk, use this&nbsp;<a href=\"https:\/\/www.unmannedtechshop.co.uk\/df13-6-position-connector-30cm-pack-of-5\/\">DF13 6-pin cable<\/a>&nbsp;to connect to the TELEM2 port. <\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/ardupilot.org\/rover\/_images\/MinimOSD_Pixhawk.jpg\"><img decoding=\"async\" src=\"https:\/\/ardupilot.org\/rover\/_images\/MinimOSD_Pixhawk.jpg\" alt=\"..\/_images\/MinimOSD_Pixhawk.jpg\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Basic wiring Diagram<\/h2>\n\n\n\n<p>The orignal MinimOSD\u2019s power setup provides two stages to avoid noises coming from servos attached to your ArduPilot boards. Those noises could introduce some glitches on video signal. The independent analog powering from a dedicated battery will heat the board considerably, but the video is the most clean as possible from MAX7456.<\/p>\n\n\n\n<p>Maybe you don\u2019t need to use the two stages. The way those noises would impact on the video signal will vary depending on a chain of aspects like servo\u2019s brand, model, cables length, etc. So, try yourself and see if it\u2019s important for your setup.<\/p>\n\n\n\n<p>Here is the basic diagram which uses two stages approach of MinimOSD board:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/ardupilot.org\/rover\/_images\/DiagramaMinimOSD.jpg\"><img decoding=\"async\" src=\"https:\/\/ardupilot.org\/rover\/_images\/DiagramaMinimOSD.jpg\" alt=\"..\/_images\/DiagramaMinimOSD.jpg\"\/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Optional setup for critical cooling conditions<\/h2>\n\n\n\n<p>(Hardware V0.1 and 1.0 only)<\/p>\n\n\n\n<p>The second stage regulator from the MinimOSD boards earlier than V1.1 gets too hot on 12V video setups. If your frame has not a good air flow for cooling the OSD board you may want to feed the OSD entirely from APM. Probably it will add some noises from servos, but you\u2019ll be more safe by this way:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/ardupilot.org\/rover\/_images\/DiagramaMinimOSD_OP.jpg\"><img decoding=\"async\" src=\"https:\/\/ardupilot.org\/rover\/_images\/DiagramaMinimOSD_OP.jpg\" alt=\"..\/_images\/DiagramaMinimOSD_OP.jpg\"\/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>MinimOSD&nbsp;\u201cOn-Screen Display\u201d is a small circuit board that pulls telemetry data from your APM or Pixhawk autopilot and over-lays it<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/posts\/478"}],"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=478"}],"version-history":[{"count":6,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/posts\/478\/revisions"}],"predecessor-version":[{"id":594,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=\/wp\/v2\/posts\/478\/revisions\/594"}],"wp:attachment":[{"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.rctoysky.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}