{"id":12390,"date":"2017-09-10T23:13:42","date_gmt":"2017-09-11T06:13:42","guid":{"rendered":"https:\/\/rustybolt.info\/wordpress\/?p=12390"},"modified":"2017-09-17T00:57:09","modified_gmt":"2017-09-17T07:57:09","slug":"2017-09-10-cassette-stuck-asking-for-help","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=12390","title":{"rendered":"2017-09-10 How Long Can An Arduino Circuit Last?"},"content":{"rendered":"<p>My answer to a FB Arduino group question on Sept 17<\/p>\n<p>Dan Rogers has the right idea. &nbsp;The protoboard, with all the holes in it, was never meant to be permanent. &nbsp;The contacts in each hole lose their springiness as they are used to hold wires. &nbsp;The contacts can become intermittent after awhile. &nbsp;As time goes on, the contacts corrode, and the corrosion makes the contacts intermittent or high resistance, and the circuit may have strange problems. &nbsp;Things that draw higher current, such as relays, can work unreliably or not at all. &nbsp;The corrosion causes noise in sensitive circuits.<\/p>\n<p>The worst thing that can happen to a protoboard circuit is vibration. &nbsp;If you have one in a robot or vehicle, it&#8217;s almost certain that there will soon be a problem.<\/p>\n<p>The telephone companies have billions of connections and had this corrosion problem. &nbsp;The solution is they create a connection that is &#8220;gas tight&#8221; to keep out gas and liquids. &nbsp;This is called IDC, insulation displacement connectors. &nbsp;The connection still has wire insulation around it which keeps out air, humidity, water and thus prevents corrosion.<\/p>\n<p>The push in wires and contacts in a protoboard do not have IDC. &nbsp;Depending on the environment, humidity, contamination, water, the connections could last from weeks to years, but it&#8217;s just a matter of time before they fail. &nbsp;Solder is the only permanent solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My answer to a FB Arduino group question on Sept 17 Dan Rogers has the right idea. &nbsp;The protoboard, with all the holes in it, was never meant to be permanent. &nbsp;The contacts in each hole lose their springiness as they are used to hold wires. &nbsp;The contacts can become intermittent after awhile. &nbsp;As time<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=12390\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[319,327,305,74,80,1],"tags":[],"class_list":["post-12390","post","type-post","status-publish","format-standard","hentry","category-arduino","category-assemblies","category-electromechanical","category-electronic-components","category-transistors","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12390"}],"version-history":[{"count":3,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12390\/revisions"}],"predecessor-version":[{"id":12409,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12390\/revisions\/12409"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}