{"id":4352,"date":"2021-03-02T09:53:21","date_gmt":"2021-03-02T14:53:21","guid":{"rendered":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/?p=4352"},"modified":"2021-03-02T10:17:49","modified_gmt":"2021-03-02T15:17:49","slug":"class-8","status":"publish","type":"post","link":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/4352\/class-8\/","title":{"rendered":"Class 8: Crafting Soft Sensors"},"content":{"rendered":"\n<p>Tues. Mar 1, 2021, 10:30AM to 12:20PM (<a href=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/zoom-meeting\/\" data-type=\"page\" data-id=\"3174\">Zoom<\/a>)<\/p>\n\n\n\n<p>Today&#8217;s class is primarily devoted to hands-on learning.<\/p>\n\n\n\n<h2>Warm-up<\/h2>\n\n\n\n<ol><li>Brief check-in. <\/li><li>Any questions?<\/li><\/ol>\n\n\n\n<h2>Announcements<\/h2>\n\n\n\n<ul><li>Picking up sewing machines from A9 on Mar. 8 for use in class on Mar. 9<\/li><li>Mar. 9 class period for people brand new to sewing or IDeATe sewing machines.<\/li><\/ul>\n\n\n\n<h2>Assignment 7 Review<\/h2>\n\n\n\n<p>Let&#8217;s take no more than ten minutes to discuss your progress on Assignment 7.<\/p>\n\n\n\n<ol><li>What features and techniques did you try out?<\/li><li>Did you get stuck trying to figure anything out?<\/li><li>What was the most surprising discovery?<\/li><\/ol>\n\n\n\n<h2>Soft Sensors<\/h2>\n\n\n\n<p>We will craft a few of our own sensors. Using different kinds of conductive textile materials, we will construct simple, yet effective, soft sensors.<\/p>\n\n\n\n<p><strong>Examples<\/strong><\/p>\n\n\n\n<ul><li><a rel=\"noreferrer noopener\" href=\"https:\/\/docs.google.com\/presentation\/d\/e\/2PACX-1vS-6i6AtD--PB_oFSfZeoheFx4Xzbu5hP7V2xRbYrmZU3QnC7q7Xw61yt5WF3l6BxrnvLw_yD7_Rc7n\/pub?start=false&amp;loop=false&amp;delayms=3000\" target=\"_blank\">Slideshow<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.kobakant.at\/DIY\/?p=8321\" target=\"_blank\">How to Get What You Want &#8211; Soft Interactive Technologies<\/a><ul><li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.kobakant.at\/DIY\/?p=20\" target=\"_blank\">Bend Sensor<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.kobakant.at\/DIY\/?p=6163\" target=\"_blank\">Large Stroke Sensor<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.kobakant.at\/DIY\/?p=2620\" target=\"_blank\">Zipper Switch<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.kobakant.at\/DIY\/?p=6135\" target=\"_blank\">Fish Scale<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/www.plusea.at\/\" target=\"_blank\">Hannah Perner-Wilson<\/a><\/li><\/ul><\/li><\/ul>\n\n\n\n<p><strong>Materials:<\/strong><\/p>\n\n\n\n<ul><li>Scissors<\/li><li>Pencil <\/li><li>Tape<\/li><li>conductive thread<\/li><li>velostat<\/li><li>conductive fabric<\/li><li>thicker non-conductive (regular) fabric<\/li><li>hand sewing needles<\/li><li>regular, non-conductive thread<\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/drive.google.com\/file\/d\/1tXszgS0z7QD7IVm6fBLfdgM1NoZDvPhe\/view?usp=sharing\" target=\"_blank\">Soft Sensor Templates<\/a><\/li><li><a rel=\"noreferrer noopener\" href=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/ref\/text\/code\/cpb-soft-sensing.html\" target=\"_blank\">Soft Sensor CircuitPython sketches<\/a><\/li><\/ul>\n\n\n\n<p><strong>Overview:<\/strong><\/p>\n\n\n\n<ul><li>Materials &amp; Templates<\/li><li>Make a very quick sensor<\/li><li>Principles of a Switch<ul><li>Example: Button<\/li><li>On &#8211; Off \/ Digital<\/li><\/ul><\/li><li>Principles of a Variable Resistor <ul><li>Example: Pressure Sensor \/ Bend Sensor<\/li><li>Range of numbers \/ Analog<\/li><\/ul><ul><li>Velostat<\/li><li>Calibration<\/li><\/ul><\/li><\/ul>\n\n\n\n<p><strong>Demos:<\/strong><\/p>\n\n\n\n<ul><li>Quick Tape Sensor<\/li><li>Hooking up the sensor to your Bluefruit<ul><li><a href=\"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/ref\/text\/code\/cpb-soft-sensing.html\" target=\"_blank\" rel=\"noreferrer noopener\">Soft Sensor CircuitPython sketches<\/a><\/li><\/ul><\/li><li>Fabric Button \/ Pressure Sensor<ul><li>Parts<\/li><li>Testing<\/li><li>Sewing closed&nbsp;<\/li><li>Version as a bend sensor<\/li><\/ul><\/li><li>Potentiometer<ul><li>Parts<\/li><li>principle<\/li><li>construction<\/li><li>testing<\/li><\/ul><\/li><li>Stroke Sensor<ul><li>Parts<\/li><li>Construction<\/li><li>Testing<\/li><\/ul><\/li><\/ul>\n\n\n\n<h2>Assignment 8<\/h2>\n\n\n\n<ul><li>Finish a fabric button sensor and a fabric pressure or bend sensor<\/li><li>This will be an individual assignment<\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tues. Mar 1, 2021, 10:30AM to 12:20PM (Zoom) Today&#8217;s class is primarily devoted to hands-on learning. Warm-up Brief check-in. Any questions? Announcements Picking up sewing machines from A9&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/posts\/4352"}],"collection":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/comments?post=4352"}],"version-history":[{"count":6,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/posts\/4352\/revisions"}],"predecessor-version":[{"id":4410,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/posts\/4352\/revisions\/4410"}],"wp:attachment":[{"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/media?parent=4352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/categories?post=4352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/courses.ideate.cmu.edu\/16-376\/s2021\/wp-json\/wp\/v2\/tags?post=4352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}