{"id":123,"date":"2006-10-22T22:36:56","date_gmt":"2006-10-23T03:36:56","guid":{"rendered":"http:\/\/www.thegatesofdawn.ca\/wordpress\/electronics\/"},"modified":"2021-04-12T23:00:08","modified_gmt":"2021-04-13T04:00:08","slug":"electronics","status":"publish","type":"page","link":"https:\/\/www.thegatesofdawn.ca\/wordpress\/electronics\/","title":{"rendered":"Electronics"},"content":{"rendered":"<p>I have assembled a number of electronics projects, both for my own use, and also some projects I did to assist my friend Jeff&#8217;s biology research.  For the projects with Jeff, we thought they might grow into a fairly serious business some day, so I actually registered a business by the name of Waterloo Instruments. But the business was inactive most of the time, I got tired of filing sales-tax returns for $0 of income, so I shut it down.<\/p>\n<p>The scientific equipment I have designed and\/or built include:<\/p>\n<ul>\n<li>A two-channel <a href=\"\/wordpress\/electronics\/position-transducer\/\">position transducer<\/a>, used to convert the position of a locust wing in flight into electrical signals representing the flap angle and forward-backward sweep angle.<\/li>\n<li>A 16-channel electromyography (EMG) <a href=\"\/wordpress\/electronics\/emg-amplifier\/\">amplifier<\/a>, used to record the electrical signals that drive the wing-muscles of a locust.<\/li>\n<li>A <a href=\"\/wordpress\/electronics\/din-64\/\">64-channel digital input<\/a> board, designed for another research in Jeff&#8217;s department, to record the activity levels of birds in a number of cages.<\/li>\n<\/ul>\n<p>I am also interested in vacuum-tube audio, though my work in that field has been limited.  I was designing a bass amplifier using 6L6 pentode tubes, based on ideas from Kevin O&#8217;Connor&#8217;s excellent <a href=\"http:\/\/www.londonpower.com\/books.htm\">books<\/a> but that project has been stalled for years.<\/p>\n<p>In my quest for inexpensive construction methods for my electornics projects, I&#8217;ve come up with a few things.<\/p>\n<ul>\n<li>Toner-transfer circuit-board techniques<\/li>\n<li>Photographic circuit-board techniques<\/li>\n<li><a href=\"\/wordpress\/electronics\/decals\/\">Homemade decals<\/a><\/li>\n<li>Front panels<\/li>\n<\/ul>\n<h4>Links<\/h4>\n<ul>\n<li><a href=\"http:\/\/www.sayal.com\/\">Sayal Electronics<\/a><\/li>\n<li><a href=\"http:\/\/www.digikey.com\/\">Digikey<\/a><\/li>\n<li><a href=\"http:\/\/www.londonpower.com\">London Power\/Power Press<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>I have assembled a number of electronics projects, both for my own use, and also some projects I did to assist my friend Jeff&#8217;s biology research. For the projects with Jeff, we thought they might grow into a fairly serious business some day, so I actually registered a business by the name of Waterloo Instruments. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-123","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/pages\/123"}],"collection":[{"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/comments?post=123"}],"version-history":[{"count":1,"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/pages\/123\/revisions"}],"predecessor-version":[{"id":721,"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/pages\/123\/revisions\/721"}],"wp:attachment":[{"href":"https:\/\/www.thegatesofdawn.ca\/wordpress\/wp-json\/wp\/v2\/media?parent=123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}