{"id":931,"date":"2016-04-11T01:48:55","date_gmt":"2016-04-11T06:48:55","guid":{"rendered":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/?p=931"},"modified":"2016-04-11T01:49:52","modified_gmt":"2016-04-11T06:49:52","slug":"weekly-update-four","status":"publish","type":"post","link":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/2016\/04\/11\/weekly-update-four\/","title":{"rendered":"Weekly Update Four"},"content":{"rendered":"<p><a href=\"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/files\/2016\/04\/modular-poncho.jpg\" rel=\"attachment wp-att-933\"><img loading=\"lazy\" class=\"alignnone wp-image-933 \" src=\"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/files\/2016\/04\/modular-poncho-e1460357196558-270x300.jpg\" alt=\"modular poncho\" width=\"560\" height=\"623\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Done this week:<\/strong><\/p>\n<p>Sewed in snaps to the test poncho, along with some neopixels; tested a removable connection to an arduino via alligator clips on unsewn end of the snaps. \u00a0Works fine when everything&#8217;s connected; loss of data or power also seem fine. \u00a0Loss of ground leaves the neopixels flickering at half brightness, which implies power is then flowing in ways it shouldn&#8217;t.<\/p>\n<p>More ideas for\u00a0the fabric part of the garment:<\/p>\n<p>One: make it modular, as well. \u00a0Have a base garment that rests on the shoulders, a bit like the current test poncho; snap additional panels in the form of a full poncho, half poncho, or maybe sleeved shirt; mix panels on left and right, or layer multiple; each panel runs a different effect when plugged in, or is driven by an attached shell.<\/p>\n<p>(Also, new terms: panels are modular fabric bits; shells are modular plastic bits.)<\/p>\n<p>Two: add a bunch of RGB LEDs (neopixels?)\u00a0diffused by plastic plates. \u00a0How large a region a single LED\u00a0can cover determines cost, which is the chief obstacle. \u00a0Need to test this; maybe a good first panel module.<\/p>\n<p>Some new hardware arrived over the weekend: a trinket and raspberry pi. \u00a0A final (hopefully) order of a few other things is pending, including more magnetic snaps.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Issues:<\/strong><\/p>\n<p>Nothing exploded when testing lost connections, but I should give more\u00a0thought to how I can allow power only when\u00a0everything is well connected. \u00a0Adding modular fabric panels adds more points for this kind of failure. \u00a0Adding a power switch and instructions to &#8220;power down when removing modules&#8221; is easy, but unsatisfying. \u00a0Any thoughts on this?<\/p>\n<p>&nbsp;<\/p>\n<p><strong>A plan for the next\u00a0week of work:<\/strong><\/p>\n<p>(3D print, design) Iterate on shell designs.<\/p>\n<p>(software) Build a trinket\u00a0I2C slave.<\/p>\n<p>(design) \u00a0Decide what modular fabric panels will look like and do; decide if maybe I should scale back to just one.<\/p>\n<p>(3D print, sew, design) test LED diffusion using plastic plates under fabric<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Done this week: Sewed in snaps to the test poncho, along with some neopixels; tested a removable connection to an arduino via alligator clips on unsewn end of the snaps. \u00a0Works fine when everything&#8217;s connected; loss of data or power also seem fine. \u00a0Loss of ground leaves the neopixels flickering at half brightness, which [&hellip;]<\/p>\n","protected":false},"author":89,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[33],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/posts\/931"}],"collection":[{"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/users\/89"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/comments?post=931"}],"version-history":[{"count":3,"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/posts\/931\/revisions"}],"predecessor-version":[{"id":935,"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/posts\/931\/revisions\/935"}],"wp:attachment":[{"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/media?parent=931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/categories?post=931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.discovery.wisc.edu\/wearable2016\/wp-json\/wp\/v2\/tags?post=931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}