{"id":2067,"date":"2014-02-15T17:55:27","date_gmt":"2014-02-15T15:55:27","guid":{"rendered":"http:\/\/www.devrearsiv.com\/?p=2067"},"modified":"2016-05-02T23:45:46","modified_gmt":"2016-05-02T20:45:46","slug":"kizilotesi-anahtar","status":"publish","type":"post","link":"https:\/\/devrearsivi.com\/kizilotesi-anahtar\/","title":{"rendered":"K\u0131z\u0131l\u00f6tesi Anahtar"},"content":{"rendered":"

\"ir_switch\"<\/a><\/p>\n

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74ls74\u00a0datasheet<\/p>\n

\"74LS74\"<\/p>\n

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Devre Hakk\u0131nda Bilgi<\/strong><\/em><\/p>\n

Herhangi bir uzaktan kumanda herhangi bir “d\u00fc\u011fme” Bu evrensel anahtar\u0131 \u00e7al\u0131\u015fmak i\u00e7in kullan\u0131labilir.\u00a0R\u00f6le \u00e7al\u0131\u015facakt\u0131r \u00f6nce d\u00fc\u011fmesi (R3 ve C2 taraf\u0131ndan belirlenir) yakla\u015f\u0131k bir bu\u00e7uk saniye boyunca bas\u0131lmal\u0131d\u0131r.\u00a0Devre reset kadar (kal\u0131c\u0131) bu durumda kal\u0131r.\u00a0S\u0131f\u0131rlamak i\u00e7in, herhangi bir d\u00fc\u011fmeye uzak yak\u0131\u015f\u0131kl\u0131 preslenmi\u015f ve k\u0131sa bir s\u00fcre i\u00e7in yap\u0131l\u0131r.\u00a0<\/strong><\/em>
\nTV izlerken olsayd\u0131 \u00d6rne\u011fin, siz devreyi tetiklemek i\u00e7in TV uzaktan herhangi bir tu\u015fa bas\u0131n ve bas\u0131l\u0131 tutun olabilir.\u00a0Kanal\u0131 de\u011fi\u015ftirmek i\u00e7in de\u011fil i\u00e7in, izledi\u011finiz kanal\u0131n d\u00fc\u011fmesine bas\u0131n olabilir.\u00a0Bir lamba, \u00f6rne\u011fin r\u00f6le \u015fey ba\u011flamak, ancak r\u00f6le kontaklar\u0131 nominal voltaj\u0131 ve ak\u0131m\u0131 i\u015fleyebilir emin olabilirsiniz.\u00a0<\/strong><\/em><\/p>\n

\u00c7al\u0131\u015fmas\u0131 :<\/strong><\/em><\/p>\n

Ic1 bir K\u0131z\u0131l \u00d6tesi mod\u00fcl\u00fc.\u00a0IR mod\u00fcle bakliyat bu BM taraf\u0131ndan al\u0131nan ve tamponlu edilir.\u00a0Bu standart TTL \u00e7\u0131k\u0131\u015f\u0131, hi\u00e7bir sinyali ile \u00e7\u0131k\u0131\u015f R1 taraf\u0131ndan y\u00fcksek tutuldu\u011fu sahiptir.\u00a0IR1 i\u00e7in yedek ortak TSOP1738 IR al\u0131c\u0131s\u0131 oldu\u011funu.\u00a0CMOS inverter bir kap\u0131 g\u00f6r\u00fcn\u00fcr bir anahtarlama yard\u0131m\u0131 olarak LED1 s\u00fcr\u00fcc\u00fcler.\u00a0Ba\u015fka bir kap\u0131 sinyalini tamponlar ve R3, C2, R4 ve D1 i\u00e7eren, zaman sabiti devresine uygular.\u00a0R4 \u00fczerinden R3 ve at\u0131klar\u0131 ile C2 \u00fccretleri, D1 CMOS tampon d\u00fc\u015f\u00fck \u00e7\u0131k\u0131\u015f empedans\u0131 \u00fczerinden \u00e7abuk bo\u015falmas\u0131n\u0131 \u00f6nler.\u00a0Bir TSOP1738 kullan\u0131larak sonra 470K i\u00e7in R4 artar.\u00a0<\/strong><\/em><\/p>\n

Bir kapasit\u00f6r \u015farj etmek i\u00e7in gereken s\u00fcre daha s\u0131k RC zaman sabiti olarak bilinir direnci ve kapasitans \u00fcr\u00fcn\u00fcd\u00fcr.\u00a0Bir RC bir kondansat\u00f6r sadece besleme geriliminin% 63 \u015farj olur.\u00a0Bu% 99 \u015farja ula\u015fmak i\u00e7in bir kapasit\u00f6r i\u00e7in 5 RC adl\u0131 al\u0131r.\u00a0Bu devredeki kapasit\u00f6r \u015farj CMOS invert\u00f6r mant\u0131\u011f\u0131 e\u015fi\u011fine ula\u015fmak zorundad\u0131r.\u00a0G\u00fc\u00e7 kayna\u011f\u0131 5 Volt oldu\u011fu gibi, giri\u015f e\u015fik 3RC ya da yakla\u015f\u0131k 1,5 saniye s\u00fcrer, hangi 3.6V civar\u0131ndad\u0131r.\u00a0Bir kez mucit 555’i tetikler ve flip flop \u00e7al\u0131\u015f\u0131r ula\u015ft\u0131.\u00a0Al\u0131nan bakliyat bir sim\u00fclasyon, filtreleme ve \u00e7\u0131k\u0131\u015f darbe a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir.\u00a0Bunun anlam\u0131, fiili devresi (yeniden darbe 555 tek kararl\u0131 s\u00fcresince y\u00fcksek olacakt\u0131r ki bu durumda), ancak bir baharat sim\u00fclasyon olmad\u0131\u011f\u0131n\u0131 not edin.\u00a0<\/strong><\/em><\/p>\n

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\"irsw_pulse\"<\/a><\/p>\n

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Palslar ayr\u0131ca tamponlanm\u0131\u015f ve yukar\u0131da g\u00f6sterildi\u011fi gibi “jaggered kenarlar” i\u00e7erirler.\u00a0Bu kenarlar mod\u00fcle IR verilerinden ve kald\u0131r\u0131lmas\u0131 vard\u0131r.\u00a0Bu bir \u00e7\u0131k\u0131\u015f pulsed\u0131r R5, C4 sahip, bir tek kararl\u0131, IC3 gibi kablolu bir 555 zamanlay\u0131c\u0131 kullan\u0131larak elde edilir.\u00a0Temiz bir \u00e7\u0131k\u0131\u015f darbe bistable mandal\u0131, IC4 etkinle\u015ftirmek i\u00e7in \u00fcretilir.\u00a0Bu bir TTL 7474 serisi IC ile in\u015fa edilmi\u015f ve bir iki kararl\u0131 olarak yap\u0131land\u0131r\u0131lm\u0131\u015f bir D tipi flip flop vard\u0131r.\u00a07474 herhangi bir s\u00fcr\u00fcm\u00fc, yani Schottky 74LS74, giri\u015f saati pin uygulanan y\u00fcksek h\u0131z 74HCT74 vb kullan\u0131labilir, veri giri\u015fi ve net ve \u00f6nceden \u00e7izgileri geri beslenen ters \u00e7\u0131k\u0131\u015f\u0131 topra\u011fa ba\u011fl\u0131d\u0131r.\u00a0Her r\u00f6le \u00e7al\u0131\u015facakt\u0131r nab\u0131z ve mandal i\u00e7in, bir sonraki darbe b\u00f6ylece ge\u00e7i\u015fini kapatmak ve olacakt\u0131r.\u00a0Ve r\u00f6le kapal\u0131 h\u0131zl\u0131 d\u00f6n\u00fc\u015f m\u00fcmk\u00fcn olmad\u0131\u011f\u0131n\u0131 unutmay\u0131n.\u00a0Darbe \u00e7\u0131k\u0131\u015f\u0131 yakla\u015f\u0131k 2.4 saniye olarak ayarlan\u0131r.\u00a0ve R3 ile giri\u015f gecikmesi, C2 yakla\u015f\u0131k 1.5 saniye ayarlay\u0131n.\u00a0<\/strong><\/em><\/p>\n

Malzeme Listesi<\/strong><\/em><\/p>\n

R1 3K3
\nR2 1k
\nR3 22k
\nR4 220k veya 470k bir TSOP1738 kullan\u0131l\u0131yorsa
\nR5 1M
\nR6 3K3
\nB1 12 V
\nD1 1N4148
\nD2 1N4003
\nQ1 B109
\nLed1 CQX35A
\nHarrison Elektronik veya TSOP1838 mevcut veya benzer ic1 IR1
\nIC2 4049
\nIC3 CA555
\nIC4 SN74HCT74 veya SN74LS74
\nIC5 LM7805
\nDe\u011fi\u015ftirme konta\u011f\u0131 ile R\u00f6le 12 Volt bobini
\nC1 100u
\nC2 22U
\nC3 100n
\nC4 2u2<\/p>\n","protected":false},"excerpt":{"rendered":"

  74ls74\u00a0datasheet   Devre Hakk\u0131nda Bilgi Herhangi bir uzaktan kumanda herhangi bir “d\u00fc\u011fme” Bu evrensel…<\/p>\n","protected":false},"author":1,"featured_media":2068,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,19,12],"tags":[99,145,772,771],"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",986,442,false],"thumbnail":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch-150x150.gif",150,150,true],"medium":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch-300x134.gif",300,134,true],"medium_large":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",640,287,false],"large":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",640,287,false],"1536x1536":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",986,442,false],"2048x2048":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",986,442,false],"covernews-slider-full":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",986,442,false],"covernews-slider-center":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",800,359,false],"covernews-featured":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",986,442,false],"covernews-medium":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",540,242,false],"covernews-medium-square":["https:\/\/devrearsivi.com\/wp-content\/uploads\/2014\/02\/ir_switch.gif",400,179,false]},"author_info":{"display_name":"Ferhat \u00c7elik","author_link":"https:\/\/devrearsivi.com\/author\/94ferhat\/"},"category_info":"Basit Elektronik Devreler<\/a> Dijital Devreler<\/a> Elektronik Devreler<\/a>","tag_info":"Elektronik Devreler","comment_count":"4","_links":{"self":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2067"}],"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=2067"}],"version-history":[{"count":3,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2067\/revisions"}],"predecessor-version":[{"id":2908,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/posts\/2067\/revisions\/2908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/media\/2068"}],"wp:attachment":[{"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/media?parent=2067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/categories?post=2067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devrearsivi.com\/wp-json\/wp\/v2\/tags?post=2067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}