{"id":401,"date":"2018-10-02T15:36:52","date_gmt":"2018-10-02T15:36:52","guid":{"rendered":"http:\/\/blogs.plymouth.ac.uk\/embedded-systems\/?page_id=401"},"modified":"2018-10-02T15:37:07","modified_gmt":"2018-10-02T15:37:07","slug":"potentiometer-glossary-entry","status":"publish","type":"page","link":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/glossary-2\/potentiometer-glossary-entry\/","title":{"rendered":"Potentiometer (Glossary Entry)"},"content":{"rendered":"<p>A potentiometer is a continuously variable resistor, arranged as a three-pin potential divider circuit.<\/p>\n<figure id=\"attachment_376\" aria-describedby=\"caption-attachment-376\" style=\"width: 375px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-376\" src=\"http:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-content\/uploads\/sites\/94\/2018\/10\/PotentiometerPhoto.png\" alt=\"\" width=\"375\" height=\"466\" srcset=\"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-content\/uploads\/sites\/94\/2018\/10\/PotentiometerPhoto.png 375w, https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-content\/uploads\/sites\/94\/2018\/10\/PotentiometerPhoto-241x300.png 241w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\" \/><figcaption id=\"caption-attachment-376\" class=\"wp-caption-text\">Photo of the Potentiometer used in this course<\/figcaption><\/figure>\n<p>The symbol for a potentiometer is shown in the following schematic:<\/p>\n<figure id=\"attachment_377\" aria-describedby=\"caption-attachment-377\" style=\"width: 531px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-377\" src=\"http:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-content\/uploads\/sites\/94\/2018\/10\/PotentiometerCircuitSchematic.png\" alt=\"\" width=\"531\" height=\"400\" srcset=\"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-content\/uploads\/sites\/94\/2018\/10\/PotentiometerCircuitSchematic.png 531w, https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-content\/uploads\/sites\/94\/2018\/10\/PotentiometerCircuitSchematic-300x226.png 300w\" sizes=\"auto, (max-width: 531px) 100vw, 531px\" \/><figcaption id=\"caption-attachment-377\" class=\"wp-caption-text\">Potentiometer Circuit providing a variable voltage input to the analogue input A0<\/figcaption><\/figure>\n<p>Internally the potentiometer is a resistor track with an additional contact (middle terminal) which slides along the length of the track. The position along the track is set by the angle of the dial. Therefore, the potentiometer is a continuously variable potential divider.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A potentiometer is a continuously variable resistor, arranged as a three-pin potential divider circuit. The symbol for a potentiometer is shown in the following schematic: Internally the potentiometer is a resistor track with an additional contact (middle terminal) which slides along the length of the track. The position along the track is set by the&hellip; <a class=\"more-link\" href=\"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/glossary-2\/potentiometer-glossary-entry\/\">Continue reading <span class=\"screen-reader-text\">Potentiometer (Glossary Entry)<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":153,"menu_order":50,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-401","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/pages\/401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/comments?post=401"}],"version-history":[{"count":1,"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/pages\/401\/revisions"}],"predecessor-version":[{"id":402,"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/pages\/401\/revisions\/402"}],"up":[{"embeddable":true,"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/pages\/153"}],"wp:attachment":[{"href":"https:\/\/blogs.plymouth.ac.uk\/embedded-systems\/wp-json\/wp\/v2\/media?parent=401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}