{"id":313,"date":"2017-03-25T18:17:34","date_gmt":"2017-03-25T17:17:34","guid":{"rendered":"https:\/\/www.keenlab.de\/?p=313"},"modified":"2017-03-25T18:17:34","modified_gmt":"2017-03-25T17:17:34","slug":"board-rev-4-is-finished-ordered","status":"publish","type":"post","link":"https:\/\/www.keenlab.de\/index.php\/2017\/03\/25\/board-rev-4-is-finished-ordered\/","title":{"rendered":"board rev.4 is finished &#038; ordered"},"content":{"rendered":"<p>here is a first 3D impression of the new design:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-314\" src=\"https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-300x251.png\" alt=\"\" width=\"300\" height=\"251\" srcset=\"https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-300x251.png 300w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-800x669.png 800w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-768x643.png 768w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-1024x857.png 1024w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-600x502.png 600w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-174x146.png 174w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-50x42.png 50w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1-90x75.png 90w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-1.png 1091w\" sizes=\"auto, (max-width:767px) 300px, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-315\" src=\"https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-300x251.png\" alt=\"\" width=\"300\" height=\"251\" srcset=\"https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-300x251.png 300w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-800x669.png 800w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-768x643.png 768w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-1024x857.png 1024w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-600x502.png 600w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-174x146.png 174w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-50x42.png 50w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2-90x75.png 90w, https:\/\/www.keenlab.de\/wp-content\/uploads\/2017\/03\/pcb-rev4-2.png 1091w\" sizes=\"auto, (max-width:767px) 300px, 300px\" \/><\/p>\n<p>Two boards have just been ordered from PCB-Pool and should arrive in 8 work days.<\/p>\n<p>Here is a summary of all features of this board:<\/p>\n<ul>\n<li>STM32F103CBU6 microcontroller (128k flash, 20k RAM, 72MHz ARM Cortex M3)<\/li>\n<li>3-phase brushless motor driver with phase current measurement for FOC operation<\/li>\n<li>30V \/ 15A continuous, 25A short time<\/li>\n<li>charging port with integrated BMS for 6-cell LiPo or LiIon pack<\/li>\n<li>Bluetooth 3.0 radio for telemetry, configuration and firmware update<\/li>\n<li>inductive proximity sensor<\/li>\n<li>low-power standby (50uA) and wakeup from motor or charging port<\/li>\n<li>board size 84 x 44 mm, 4 layer construction<\/li>\n<\/ul>\n<p>The major changes from rev.3 are<\/p>\n<ul>\n<li>strengthened the motor phase PCB traces, now using three layers instead of two<\/li>\n<li>added Bluetooth radio<\/li>\n<li>improved startup behavior of inductive proximity sensor<\/li>\n<li>removed buzzer, the firmware can now use the motor for audible feedback<\/li>\n<li>minor bug fixes<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>here is a first 3D impression of the new design: Two boards have just been ordered from PCB-Pool and should arrive in 8 work days. Here<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":5,"featured_media":315,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-313","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-allgemein"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/posts\/313","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/comments?post=313"}],"version-history":[{"count":1,"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/posts\/313\/revisions"}],"predecessor-version":[{"id":316,"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/posts\/313\/revisions\/316"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/media\/315"}],"wp:attachment":[{"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/media?parent=313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/categories?post=313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.keenlab.de\/index.php\/wp-json\/wp\/v2\/tags?post=313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}