{"id":26,"date":"2005-01-20T16:22:13","date_gmt":"2005-01-20T21:22:13","guid":{"rendered":"\/?p=26"},"modified":"2005-01-20T16:22:13","modified_gmt":"2005-01-20T21:22:13","slug":"detector-progress","status":"publish","type":"post","link":"https:\/\/blog.uvm.edu\/waw\/2005\/01\/20\/detector-progress\/","title":{"rendered":"Detector Progress"},"content":{"rendered":"<p>My physical computing projects are coming along. I&#8217;ve built an infrared   distance detector. I&#8217;m trying to tune the IR-LED frequencies to detect   objects at very close range. I&#8217;ve hooked in a potentiometer to control   the frequency of the LED, and am placing objects near and far and   seeing what frequencies respond. <\/p>\n<p>I&#8217;lll chart that data, and use it to   build a frequency lookup table. the idea is to detect my Cable Car at   distances of about 18&quot;, 9&quot; and 2&quot;. Once in the 2&quot; range, crawl to stop;   wait 20 seconds, and reverse direction. I need an H-bridge or   darlington array to control the cable car motor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My physical computing projects are coming along. I&#8217;ve built an infrared distance detector. I&#8217;m trying to tune the IR-LED frequencies to detect objects at very close range. I&#8217;ve hooked in a potentiometer to control the frequency of the LED, and &hellip; <a href=\"https:\/\/blog.uvm.edu\/waw\/2005\/01\/20\/detector-progress\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152203,6517],"tags":[],"class_list":["post-26","post","type-post","status-publish","format-standard","hentry","category-electronicarts","category-projects"],"_links":{"self":[{"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/posts\/26","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/comments?post=26"}],"version-history":[{"count":0,"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/posts\/26\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/media?parent=26"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/categories?post=26"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.uvm.edu\/waw\/wp-json\/wp\/v2\/tags?post=26"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}