{"id":518,"date":"2020-06-06T09:46:00","date_gmt":"2020-06-06T09:46:00","guid":{"rendered":"https:\/\/copperfiction.com\/?p=518"},"modified":"2026-04-09T21:48:27","modified_gmt":"2026-04-09T21:48:27","slug":"portable-battery-powered-device-with-dc-motor","status":"publish","type":"post","link":"https:\/\/copperfiction.com\/index.php\/2020\/06\/06\/portable-battery-powered-device-with-dc-motor\/","title":{"rendered":"[014] PORTABLE BATTERY-POWERED DEVICE WITH DC MOTOR"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"424\" src=\"https:\/\/copperfiction.com\/wp-content\/uploads\/2026\/04\/25.png\" alt=\"\" class=\"wp-image-519\" srcset=\"https:\/\/copperfiction.com\/wp-content\/uploads\/2026\/04\/25.png 900w, https:\/\/copperfiction.com\/wp-content\/uploads\/2026\/04\/25-300x141.png 300w, https:\/\/copperfiction.com\/wp-content\/uploads\/2026\/04\/25-768x362.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A portable device with a rechargeable Li-Ion battery, a DC motor, physical buttons for local control, and Bluetooth for wireless interaction. All coordinated by an EFM8BB10F8G, a compact microcontroller that handles both energy management and motion control.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The motor brings its usual set of challenges: startup current, electrical noise, switching behavior. The battery has to sustain current peaks while remaining stable for the rest of the electronics. Bluetooth adds flexibility \u2014 the user can operate the device wirelessly without being limited to the physical interface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main challenge here is making all of it coexist in a compact enclosure without each block disturbing the others. A solid system integration exercise in a small package.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A portable device with a rechargeable Li-Ion battery, a DC motor, physical buttons for local control, and Bluetooth for wireless interaction. All coordinated by an EFM8BB10F8G, a compact microcontroller that handles both energy management and motion control. The motor brings its usual set of challenges: startup current, electrical noise, switching behavior. The battery has to &#8230; <a title=\"[014] PORTABLE BATTERY-POWERED DEVICE WITH DC MOTOR\" class=\"read-more\" href=\"https:\/\/copperfiction.com\/index.php\/2020\/06\/06\/portable-battery-powered-device-with-dc-motor\/\" aria-label=\"Read more about [014] PORTABLE BATTERY-POWERED DEVICE WITH DC MOTOR\">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":[115],"tags":[37,117,119,65],"class_list":["post-518","post","type-post","status-publish","format-standard","hentry","category-115","tag-battery-management","tag-dc-motor","tag-efm8bb10f8g-a-soic16","tag-li-ion-battery"],"_links":{"self":[{"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/posts\/518","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=518"}],"version-history":[{"count":6,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/posts\/518\/revisions"}],"predecessor-version":[{"id":622,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/posts\/518\/revisions\/622"}],"wp:attachment":[{"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/media?parent=518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/categories?post=518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/copperfiction.com\/index.php\/wp-json\/wp\/v2\/tags?post=518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}