{"id":25386,"date":"2023-04-21T17:18:00","date_gmt":"2023-04-21T22:18:00","guid":{"rendered":"http:\/\/blog.kenperlin.com\/?p=25386"},"modified":"2023-04-21T17:18:00","modified_gmt":"2023-04-21T22:18:00","slug":"failsafe","status":"publish","type":"post","link":"http:\/\/blog.kenperlin.com\/?p=25386","title":{"rendered":"Failsafe"},"content":{"rendered":"<p>Recently I&#8217;ve been working more than usual with hardware components. One thing about hardware is that absolutely everything must be working properly.<\/p>\n<p>If your Arduino board isn&#8217;t connected in exactly the right way to your IMU chip, then nothing happens. It doesn&#8217;t just fail a little &#8212; it fails completely.<\/p>\n<p>Software isn&#8217;t like that. With software it&#8217;s much easier to build in back-ups and failsafe mechanisms.<\/p>\n<p>Something might indeed go wrong, but you can detect it and recover from it. Often you can do this without affecting the people who use your program.<\/p>\n<p>Of course you can build failsafe mechanisms into hardware. And for some applications, such as medical or aerospace, that is necessary.<\/p>\n<p>But it&#8217;s a lot more expensive and difficult to do that well in hardware than it is to do in software. Maybe that&#8217;s one reason I work mostly with software. \ud83d\ude42<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recently I&#8217;ve been working more than usual with hardware components. One thing about hardware is that absolutely everything must be working properly. If your Arduino board isn&#8217;t connected in exactly the right way to your IMU chip, then nothing happens. It doesn&#8217;t just fail a little &#8212; it fails completely. Software isn&#8217;t like that. With &hellip; <a href=\"http:\/\/blog.kenperlin.com\/?p=25386\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Failsafe&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25386"}],"collection":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=25386"}],"version-history":[{"count":1,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25386\/revisions"}],"predecessor-version":[{"id":25387,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=\/wp\/v2\/posts\/25386\/revisions\/25387"}],"wp:attachment":[{"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=25386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25386"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.kenperlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}