{"id":339,"date":"2016-02-25T11:10:23","date_gmt":"2016-02-25T11:10:23","guid":{"rendered":"http:\/\/kapica.it\/?p=339"},"modified":"2016-02-25T11:10:23","modified_gmt":"2016-02-25T11:10:23","slug":"miernik-pojemnosci-i-indukcyjnosci-na-procesorze-pic","status":"publish","type":"post","link":"http:\/\/kapica.it\/?p=339","title":{"rendered":"Miernik pojemno\u015bci i indukcyjno\u015bci na procesorze PIC"},"content":{"rendered":"<p>Miernik powsta\u0142 w oparciu o popularny w internecie projekt dost\u0119pny m.in. na stronach <a href=\"http:\/\/www.gregorkarnas.com\/radio\/projekt\/lcmeter\/\">SQ8CBY<\/a> i<a href=\"http:\/\/www.sp7dqr.pl\/lcmeter.php\"> SP7DQR<\/a>. Uk\u0142ad jest oparty na procesorze PIC, wi\u0119c wymaga dost\u0119pu do cho\u0107by najprostszego programatora dla tej rodziny. Dok\u0142adno\u015b\u0107 i stabilno\u015b\u0107 temperaturowa pomiaru zale\u017cy w du\u017cej mierze od zastosowanych element\u00f3w. Szczeg\u00f3lnie wa\u017cny jest kondensator wzorcowy. Zakupi\u0142em w sieci kondensator o tolerancji 1% wi\u0119c teoretycznie dok\u0142adno\u015b\u0107 pomiaru, wynikaj\u0105ca z algorytmu, wynie\u015b\u0107 mo\u017ce nie lepiej ni\u017c 2%. Na potrzeby warsztatu w zupe\u0142no\u015bci wystarcza. W rzeczywisto\u015bci dok\u0142adno\u015b\u0107 pomiaru zale\u017cy te\u017c od sta\u0142o\u015bci temperatury i urz\u0105dzenie nale\u017cy pozostawi\u0107 w\u0142\u0105czone do ustabilizowanie si\u0119 temperatury uk\u0142ad\u00f3w, a nast\u0119pnie dokona\u0107 autokalibracji przyciskiem. Jest to szczeg\u00f3lnie istotne podczas pomiaru bardzo ma\u0142ych pojemno\u015bci. Uk\u0142ad jest zasilany dowolnym zasilaczem 9-12V, posiadam te\u017c przej\u015bci\u00f3wk\u0119 do baterii 9V stosowan\u0105 przy pracy w terenie.<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9757.jpg\" rel=\"attachment wp-att-340\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-340\" title=\"IMG_9757\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9757-300x200.jpg\" alt=\"IMG_9757\" width=\"300\" height=\"200\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9757-300x200.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9757-768x512.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9757.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9761.jpg\" rel=\"attachment wp-att-341\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-341\" title=\"IMG_9761\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9761-300x200.jpg\" alt=\"IMG_9761\" width=\"300\" height=\"200\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9761-300x200.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9761-768x512.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9761.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9762.jpg\" rel=\"attachment wp-att-342\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-342\" title=\"IMG_9762\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9762-300x200.jpg\" alt=\"IMG_9762\" width=\"300\" height=\"200\" data-popupalt-original-title=\"null\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9762-300x200.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9762-768x512.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9762.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9764.jpg\" rel=\"attachment wp-att-343\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-343\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9764-300x200.jpg\" alt=\"IMG_9764\" width=\"300\" height=\"200\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9764-300x200.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9764-768x512.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/IMG_9764.jpg 900w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Schemat:<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lc_meter.gif\" rel=\"attachment wp-att-344\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-344\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lc_meter-300x164.gif\" alt=\"lc_meter\" width=\"300\" height=\"164\" \/><\/a><\/p>\n<p>PCB:<\/p>\n<p><a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_a.jpg\" rel=\"attachment wp-att-345\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-345\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_a-300x144.jpg\" alt=\"lcmeter_pic16f84_a\" width=\"300\" height=\"144\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_a-300x144.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_a.jpg 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_bd.jpg\" rel=\"attachment wp-att-346\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-346\" src=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_bd-300x144.jpg\" alt=\"lcmeter_pic16f84_bd\" width=\"300\" height=\"144\" srcset=\"http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_bd-300x144.jpg 300w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_bd-768x368.jpg 768w, http:\/\/kapica.it\/wp-content\/uploads\/2016\/02\/lcmeter_pic16f84_bd.jpg 950w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Pe\u0142na dokumentacja projektu w dw\u00f3ch wersjach &#8211; <a href=\"http:\/\/kapica.it\/miernik LC.zip\">pobierz<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Miernik powsta\u0142 w oparciu o popularny w internecie projekt dost\u0119pny m.in. na stronach SQ8CBY i SP7DQR. Uk\u0142ad jest oparty na procesorze PIC, wi\u0119c wymaga dost\u0119pu do cho\u0107by najprostszego programatora dla tej rodziny. Dok\u0142adno\u015b\u0107 i stabilno\u015b\u0107 temperaturowa pomiaru zale\u017cy w du\u017cej mierze od zastosowanych element\u00f3w. Szczeg\u00f3lnie wa\u017cny jest kondensator wzorcowy. Zakupi\u0142em w sieci kondensator o tolerancji&#8230;<\/p>\n","protected":false},"author":1,"featured_media":341,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[62,63,64,58],"_links":{"self":[{"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts\/339"}],"collection":[{"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=339"}],"version-history":[{"count":2,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts\/339\/revisions"}],"predecessor-version":[{"id":348,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/posts\/339\/revisions\/348"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=\/wp\/v2\/media\/341"}],"wp:attachment":[{"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=339"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kapica.it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}