{"id":2422,"date":"2014-04-18T14:12:26","date_gmt":"2014-04-18T11:12:26","guid":{"rendered":"http:\/\/www.Devrearsivi.com\/?p=2422"},"modified":"2017-03-14T17:29:58","modified_gmt":"2017-03-14T15:29:58","slug":"10bit-adc-devresi","status":"publish","type":"post","link":"https:\/\/devrearsivi.com\/10bit-adc-devresi\/","title":{"rendered":"10bit ADC Devresi"},"content":{"rendered":"

Bu devre ile her t\u00fcrl\u00fc analog sens\u00f6r\u00fc okunabilir. referans ayarlar\u0131n\u0131 VREF+ ve VREF- potlar\u0131ndan ayarlayabilirsiniz. VREF+ giri\u015findeki gerilim displeyin g\u00f6sterece\u011fi en b\u00fcy\u00fck de\u011feri ayarlar. en b\u00fcy\u00fck say\u0131 1023 d\u00fcr. \u00f6rnek olarak VREF+ y\u0131 2,5v ayarlarsan\u0131z analog giri\u015ften 2,5v okudu\u011funuzda displey en b\u00fcy\u00fck say\u0131 olan 1023 \u00fc g\u00f6sterir. bu giri\u015fi +5v a ba\u011flarsan\u0131z analog giri\u015ften 5v okudu\u011funuzda 1023 \u00fc g\u00fcsterir. 1023 10 bitlik say\u0131d\u0131r.
\nVREF- ise ekran\u0131n g\u00f6sterece\u011fi en k\u00fc\u015f\u00fck say\u0131 yani 0 \u0131 ayarlar. \u00f6rnek olarak bu giri\u015fi 1v ayarlarsan\u0131z analog giri\u015ften okudu\u011funuz gerilim 1v veya alt\u0131nda ise ekranda 0 say\u0131s\u0131 g\u00f6z\u00fck\u00fcr.
\nBu giri\u015fleri kullanmak istemiyorsan\u0131z VREF+ y\u0131 +5v a VREF- yi GND ye ba\u011flay\u0131n\u0131z. yada ADCON1 registerinden gerekli ayarlar\u0131 yap\u0131n\u0131z.
\n\u00f6l\u00e7mek istedi\u011finiz de\u011feri hesaplamak i\u00e7in \u015fu yolu izleyin :
\n\u00f6rnek olarak VREF+ = 3v VREF- = 0v ise (3v – 0v)\/1023= 0,00293v bu de\u011fer her say\u0131ya denk gelen gerilimdir.
\nbu durumda ekranda 1000 say\u0131s\u0131n\u0131 okuyorsak 1000 * 0,00293= 2,93v analog giri\u015fteki gerilimi g\u00f6sterir.
\nbu y\u00f6ntemle istedi\u011finiz ayar\u0131 yapabilirsiniz. portb ye ba\u011fl\u0131 jojik problar ekrandaki say\u0131n\u0131n ikili (binary) d\u00f6n\u00fc\u015f\u00fcm\u00fcn\u00fc g\u00f6sterir. Devreyi Deney ama\u00e7l\u0131 tasarlad\u0131m 10bitlik d\u00f6n\u00fc\u015f\u00fcme \u00f6rnek olarak g\u00f6sterdim. devre 10 bit oldu\u011fu i\u00e7in \u00e7ok hassas. potla deneyecekseniz mutlaka kondansat\u00f6rle filitreleyin.
\nDispleyi ORTAK KATOT kulland\u0131m. kristal 10mhz. ASM yaz\u0131l\u0131m\u0131n\u0131da ekledim.<\/p>\n

\"devrearsiv-indir\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Bu devre ile her t\u00fcrl\u00fc analog sens\u00f6r\u00fc okunabilir. referans ayarlar\u0131n\u0131 VREF+ ve VREF- potlar\u0131ndan ayarlayabilirsiniz….<\/p>\n","protected":false},"author":1,"featured_media":2423,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,649,12,23],"tags":[940,941,942,466,943],"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",2020,1420,false],"thumbnail":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131-150x150.png",150,150,true],"medium":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131-300x210.png",300,210,true],"medium_large":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",640,450,false],"large":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131-1024x719.png",640,449,true],"1536x1536":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",1536,1080,false],"2048x2048":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",2020,1420,false],"covernews-slider-full":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",1017,715,false],"covernews-slider-center":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",711,500,false],"covernews-featured":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",1024,720,false],"covernews-medium":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",484,340,false],"covernews-medium-square":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/04\/adc-devre-\u015femas\u0131.png",356,250,false]},"author_info":{"display_name":"Ferhat \u00c7elik","author_link":"https:\/\/devrearsivi.com\/author\/94ferhat\/"},"category_info":"Dijital Devreler<\/a> D\u00f6nem \u00f6devleri<\/a> Elektronik Devreler<\/a> P\u0130C Devreler<\/a>","tag_info":"P\u0130C Devreler","comment_count":"3","_links":{"self":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2422"}],"collection":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/comments?post=2422"}],"version-history":[{"count":2,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2422\/revisions"}],"predecessor-version":[{"id":3149,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2422\/revisions\/3149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/media\/2423"}],"wp:attachment":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/media?parent=2422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/categories?post=2422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/tags?post=2422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}