{"id":363,"date":"2025-03-18T17:46:00","date_gmt":"2025-03-18T17:46:00","guid":{"rendered":"https:\/\/copperfiction.com\/?p=363"},"modified":"2026-04-09T21:51:16","modified_gmt":"2026-04-09T21:51:16","slug":"an-ethernet-connected-smart-locker-controller","status":"publish","type":"post","link":"https:\/\/copperfiction.com\/index.php\/2025\/03\/18\/an-ethernet-connected-smart-locker-controller\/","title":{"rendered":"[035] ETHERNET-BASED SMART LOCKER CONTROLLER"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"400\" src=\"http:\/\/copperfiction.com\/wp-content\/uploads\/2026\/01\/image1-6.png\" alt=\"\" class=\"wp-image-434\" srcset=\"https:\/\/copperfiction.com\/wp-content\/uploads\/2026\/01\/image1-6.png 900w, https:\/\/copperfiction.com\/wp-content\/uploads\/2026\/01\/image1-6-300x133.png 300w, https:\/\/copperfiction.com\/wp-content\/uploads\/2026\/01\/image1-6-768x341.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Managing a large number of compartments with individual state detection calls for a well-thought-out I\/O architecture. The core here is an ATSAMD20, which handles input multiplexing \u2014 lots of IR sensors to monitor, not much room for redundant hardware.<\/p>\n\n\n\n<p>Each channel is watched by an infrared sensor, with state updated continuously in real time. For communication with the supervisory system, Modbus over Ethernet was the obvious pick: robust, standard, and easy to drop into any industrial infrastructure. Daisy-chained Ethernet keeps expansion simple and cuts down on cabling. A solid example of what a modular, scalable architecture actually looks like in practice.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Managing a large number of compartments with individual state detection calls for a well-thought-out I\/O architecture. The core here is an ATSAMD20, which handles input multiplexing \u2014 lots of IR sensors to monitor, not much room for redundant hardware. Each channel is watched by an infrared sensor, with state updated continuously in real time. For &#8230; <a title=\"[035] ETHERNET-BASED SMART LOCKER CONTROLLER\" class=\"read-more\" href=\"https:\/\/copperfiction.com\/index.php\/2025\/03\/18\/an-ethernet-connected-smart-locker-controller\/\" aria-label=\"Read more about [035] ETHERNET-BASED SMART LOCKER CONTROLLER\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[31,26,29,28],"class_list":["post-363","post","type-post","status-publish","format-standard","hentry","category-15","tag-atsamd20j16b-mn","tag-ethernet-modbus","tag-infrared-sensors","tag-smart-lockers"],"_links":{"self":[{"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/posts\/363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/comments?post=363"}],"version-history":[{"count":9,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/posts\/363\/revisions"}],"predecessor-version":[{"id":643,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/posts\/363\/revisions\/643"}],"wp:attachment":[{"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/media?parent=363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/categories?post=363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/tags?post=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}