{"id":627,"date":"2008-10-06T20:35:00","date_gmt":"2008-10-07T01:35:00","guid":{"rendered":"http:\/\/www.teknevision.com\/extant2\/2008\/10\/pcomp-week-3-electricty.html"},"modified":"2008-10-06T20:35:00","modified_gmt":"2008-10-07T01:35:00","slug":"physical-computing-week-3-electrictya","status":"publish","type":"post","link":"https:\/\/www.teknevision.com\/extant\/2008\/10\/physical-computing-week-3-electrictya.html","title":{"rendered":"PComp: Week 3: Electricty"},"content":{"rendered":"<p><img decoding=\"async\" src=\"http:\/\/www.teknevision.com\/IMAGES\/PCOMP\/pcomp_electricity.jpg\"><br \/><img decoding=\"async\" src=\"http:\/\/www.teknevision.com\/IMAGES\/PCOMP\/pcomp_electricity_02.jpg\"><\/p>\n<p>Arduino power: Measured 9.03 DC volts<\/p>\n<p>Silicore AC\/DC Adaptor: 13VDC\/0.8A: Measured 16.52-16.59<br \/>Used the above adaptor initially assuming it was the 13 volts as stated, but smoke started to come through the breadboard. I quickly unplugged and measured the adaptor getting the 16+ range. That&#8217;s a good lesson in measuring things first.<\/p>\n<p>ON<br \/>LED: 2.37<br \/>RESISTOR: 6.54<\/p>\n<p>OFF:<br \/>LED: 0.02<br \/>RESISTOR: 0.00<\/p>\n<p>POWER: 8.95 (STRAIGHT FROM WIRES)<\/p>\n<p>Mistakenly connected one wire of switch to end of resistor lined up w\/ LED (instead of other end of resistor). Made green LED turn amber. Basically started to burnout.<\/p>\n<p>LED IN SERIES:<br \/>RED LED: 4.44\/5 Looked like it may be slowly burning out<br \/>ORANGE LED: 4.32<\/p>\n<p>LED IN PARALLEL:<br \/>BURNOUT<br \/>ADDED 220 RESISTOR WORKED<br \/>GREEN LED (CLOSEST TO RESISTOR):  1.94<br \/>YELLOW LED: 1.94<br \/>RED LED: 1.94<\/p>\n<p>VARIABLE VOLTAGE W\/ POT:<br \/>ALL THE WAY UP: 3.335<br \/>ALL THE WAY DOWN: 0.00<br \/>MIDWAY: 2.87<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Arduino power: Measured 9.03 DC volts Silicore AC\/DC Adaptor: 13VDC\/0.8A: Measured 16.52-16.59Used the above adaptor initially assuming it was the 13 volts as stated, but smoke started to come through the breadboard. I quickly unplugged and measured the adaptor getting the 16+ range. That&#8217;s a good lesson in measuring things first. ONLED: 2.37RESISTOR: 6.54 OFF:LED: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,8],"tags":[],"class_list":["post-627","post","type-post","status-publish","format-standard","hentry","category-itp","category-pcomp"],"_links":{"self":[{"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/posts\/627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/comments?post=627"}],"version-history":[{"count":0,"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/posts\/627\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/media?parent=627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/categories?post=627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.teknevision.com\/extant\/wp-json\/wp\/v2\/tags?post=627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}