{"id":1873,"date":"2013-06-20T03:38:24","date_gmt":"2013-06-19T17:38:24","guid":{"rendered":"http:\/\/legoeng.local\/?p=1873"},"modified":"2016-11-02T11:03:58","modified_gmt":"2016-11-02T00:03:58","slug":"rotation-sensor-challenge","status":"publish","type":"post","link":"http:\/\/legoeng.local\/rotation-sensor-challenge\/","title":{"rendered":"Rotation sensor challenge"},"content":{"rendered":"<p><a href=\"http:\/\/legoeng.local\/wp-content\/uploads\/2013\/06\/rotation-sensor-challenge.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-11813\" src=\"http:\/\/legoeng.local\/wp-content\/uploads\/2013\/06\/rotation-sensor-challenge-300x228.png\" alt=\"rotation-sensor-challenge\" width=\"300\" height=\"228\" srcset=\"http:\/\/legoeng.local\/wp-content\/uploads\/2013\/06\/rotation-sensor-challenge-300x228.png 300w, http:\/\/legoeng.local\/wp-content\/uploads\/2013\/06\/rotation-sensor-challenge-768x584.png 768w, http:\/\/legoeng.local\/wp-content\/uploads\/2013\/06\/rotation-sensor-challenge.png 1024w, http:\/\/legoeng.local\/wp-content\/uploads\/2013\/06\/rotation-sensor-challenge-600x456.png 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>Rotation sensors are very important in the field of engineering because they track and measure the motion of rotating objects. The NXT motors and EV3 large motors have built- in rotation sensors that are accurate enough for most purposes, but what if you need something even more accurate?<\/p>\n<p>How can you design and construct a better rotation sensor? (i.e. one that is more accurate and precise than the ones built-in to the NXT and EV3 motors?)<\/p>\n<p>What is the smallest angle that you can measure accurately and repeatably?<\/p>\n<p>Tip 1: Is there a way to mark the end of each revolution?<\/p>\n<p>Tip 2: Is there any relationship between the time duration of each revolution and the angular velocity?<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rotation sensors are very important in the field of engineering because they track and measure the motion of rotating objects. The NXT motors and EV3 large motors have built- in rotation sensors that are accurate enough for most purposes, but what if you need something even more accurate? How can you design and construct a [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":11813,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[99],"tags":[168,73,113,121,177],"_links":{"self":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/posts\/1873"}],"collection":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/users\/29"}],"replies":[{"embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/comments?post=1873"}],"version-history":[{"count":0,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/posts\/1873\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/media\/11813"}],"wp:attachment":[{"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/media?parent=1873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/categories?post=1873"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/legoeng.local\/wp-json\/wp\/v2\/tags?post=1873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}