{"id":10723,"date":"2015-08-19T22:15:56","date_gmt":"2015-08-20T02:15:56","guid":{"rendered":"http:\/\/embedded-lab.com\/blog\/?p=10723"},"modified":"2015-08-19T22:15:56","modified_gmt":"2015-08-20T02:15:56","slug":"attiny84-based-capacitance-meter","status":"publish","type":"post","link":"https:\/\/embedded-lab.com\/blog\/attiny84-based-capacitance-meter\/","title":{"rendered":"ATTINY84 based capacitance meter"},"content":{"rendered":"<p><em><strong>ThomasVDD<\/strong><\/em>&#8216;s <a href=\"http:\/\/www.instructables.com\/id\/Capacitance-Meter\/?ALLSTEPS\" target=\"_blank\"><strong>DIY capacitance meter<\/strong><\/a> uses a\u00a0555 timer circuit as a monostable multivibrator, where the output pulse interval depends upon the value of the capacitance to me measured. An ATTiny84 is used to measure the duration of the 555 timer output pulse, and thus compute the capacitance, which is then displayed on a seven segment LED display module.<\/p>\n<p>A while ago I also posted a tutorial on <a href=\"http:\/\/embedded-lab.com\/blog\/?p=4400\"><strong>how to measure capacitance with a \u00a0PIC microcontroller<\/strong><\/a>.<\/p>\n<div id=\"attachment_10724\" style=\"width: 590px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2015\/08\/cap.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10724\" class=\"size-full wp-image-10724\" alt=\"Digital capacitance meter\" src=\"http:\/\/embedded-lab.com\/blog\/wp-content\/uploads\/2015\/08\/cap.jpg\" width=\"580\" height=\"459\" \/><\/a><p id=\"caption-attachment-10724\" class=\"wp-caption-text\">Digital capacitance meter<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>ThomasVDD&#8216;s DIY capacitance meter uses a\u00a0555 timer circuit as a monostable multivibrator, where the output pulse interval depends upon the value of the capacitance to me measured. An ATTiny84 is used to measure the duration of the 555 timer output pulse, and thus compute the capacitance, which is then displayed on a seven segment LED display module. A while ago I also posted a tutorial on how to measure capacitance with a \u00a0PIC microcontroller.<\/p>\n","protected":false},"author":1,"featured_media":10724,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[765,396],"class_list":["post-10723","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-avr-projects","tag-attiny-project","tag-capacitance-meter"],"_links":{"self":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/10723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/comments?post=10723"}],"version-history":[{"count":1,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/10723\/revisions"}],"predecessor-version":[{"id":10725,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/posts\/10723\/revisions\/10725"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media\/10724"}],"wp:attachment":[{"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/media?parent=10723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/categories?post=10723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/embedded-lab.com\/blog\/wp-json\/wp\/v2\/tags?post=10723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}