{"id":622,"date":"2023-11-01T23:12:32","date_gmt":"2023-11-01T20:12:32","guid":{"rendered":"https:\/\/www.facadium.com.tr\/blog\/?p=622"},"modified":"2023-11-01T23:12:32","modified_gmt":"2023-11-01T20:12:32","slug":"analog-sicaklik-sensoru","status":"publish","type":"post","link":"https:\/\/www.facadium.com.tr\/blog\/analog-sicaklik-sensoru\/","title":{"rendered":"Analog S\u0131cakl\u0131k Sens\u00f6r\u00fc"},"content":{"rendered":"\n

Ne Yaparlar ve Nas\u0131l Kullan\u0131l\u0131r?<\/h2>\n\n\n\n

Analog s\u0131cakl\u0131k sens\u00f6rleri, s\u0131cakl\u0131k de\u011ferlerini analog bir gerilim sinyali olarak \u00f6l\u00e7en ve \u00e7eviren elektronik bile\u015fenlerdir.<\/p>\n\n\n\n

Analog S\u0131cakl\u0131k Sens\u00f6r\u00fc Nedir?<\/strong><\/p>\n\n\n\n

Analog s\u0131cakl\u0131k sens\u00f6rleri, \u00e7evresel s\u0131cakl\u0131k de\u011fi\u015fikliklerini alg\u0131layan ve bu de\u011fi\u015fiklikleri analog bir gerilim sinyali olarak \u00e7\u0131karan cihazlard\u0131r. Bu sens\u00f6rlerin \u00e7al\u0131\u015fma prensibi, s\u0131cakl\u0131k de\u011fi\u015fikliklerinin sens\u00f6r\u00fcn i\u00e7indeki bir fiziksel \u00f6zellik veya bile\u015fen \u00fczerindeki etkisini \u00f6l\u00e7meye dayan\u0131r. S\u0131cakl\u0131k artt\u0131k\u00e7a veya azald\u0131k\u00e7a, sens\u00f6r\u00fcn \u00e7\u0131k\u0131\u015f gerilimi de\u011fi\u015fir.<\/p>\n\n\n\n

\u00c7al\u0131\u015fma Prensibi<\/strong><\/p>\n\n\n\n

Analog s\u0131cakl\u0131k sens\u00f6rlerinin \u00e7al\u0131\u015fma prensipleri farkl\u0131 olabilir, ancak en yayg\u0131n kullan\u0131lan tipi, termist\u00f6rlerdir. \u0130\u015fte termist\u00f6rlerin \u00e7al\u0131\u015fma prensibi:<\/p>\n\n\n\n

    \n
  1. Termist\u00f6r Se\u00e7imi<\/strong>: Termist\u00f6rler, \u0131s\u0131ya duyarl\u0131 yar\u0131iletken malzemelerden yap\u0131l\u0131r. \u0130ki yayg\u0131n t\u00fcr\u00fc vard\u0131r: NTC (Negatif S\u0131cakl\u0131k Katsay\u0131s\u0131) ve PTC (Pozitif S\u0131cakl\u0131k Katsay\u0131s\u0131). NTC termist\u00f6rler, s\u0131cakl\u0131k artt\u0131k\u00e7a diren\u00e7 de\u011ferlerinin azald\u0131\u011f\u0131 termist\u00f6rlerdir.<\/li>\n\n\n\n
  2. Diren\u00e7 De\u011fi\u015fimi<\/strong>: Termist\u00f6rlerin direnci s\u0131cakl\u0131kla de\u011fi\u015fir. D\u00fc\u015f\u00fck s\u0131cakl\u0131klarda y\u00fcksek diren\u00e7, y\u00fcksek s\u0131cakl\u0131klarda ise d\u00fc\u015f\u00fck diren\u00e7 g\u00f6sterirler. Bu diren\u00e7 de\u011fi\u015fikli\u011fi, termist\u00f6r\u00fcn s\u0131cakl\u0131k duyarl\u0131l\u0131\u011f\u0131n\u0131 temsil eder.<\/li>\n\n\n\n
  3. Gerilim \u00c7\u0131k\u0131\u015f\u0131<\/strong>: Termist\u00f6r\u00fcn diren\u00e7 de\u011fi\u015fikli\u011fi, bir gerilim b\u00f6l\u00fcc\u00fc devresi kullan\u0131larak bir gerilim de\u011fi\u015fikli\u011fine d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr. Bu, bir analog s\u0131cakl\u0131k sens\u00f6r\u00fcn\u00fcn \u00e7\u0131k\u0131\u015f gerilimini olu\u015fturur.<\/li>\n\n\n\n
  4. S\u0131cakl\u0131k-De\u011fer \u0130li\u015fkisi<\/strong>: Termist\u00f6r\u00fcn s\u0131cakl\u0131k-de\u011fer ili\u015fkisi kalibrasyonla belirlenir. Sens\u00f6r\u00fcn \u00e7\u0131k\u0131\u015f gerilimi ve s\u0131cakl\u0131k aras\u0131ndaki ili\u015fki belirli bir denklemle ifade edilir.<\/li>\n<\/ol>\n\n\n\n

    Kullan\u0131m Alanlar\u0131<\/strong><\/p>\n\n\n\n

    Analog s\u0131cakl\u0131k sens\u00f6rleri, bir\u00e7ok uygulama alan\u0131nda kullan\u0131l\u0131r. \u0130\u015fte baz\u0131 kullan\u0131m alanlar\u0131:<\/p>\n\n\n\n

      \n
    1. Hava Ko\u015fullar\u0131 \u0130zleme<\/strong>: Analog s\u0131cakl\u0131k sens\u00f6rleri, hava istasyonlar\u0131 ve meteorolojik cihazlar gibi hava ko\u015fullar\u0131n\u0131 izlemek i\u00e7in kullan\u0131l\u0131r.<\/li>\n\n\n\n
    2. End\u00fcstriyel Otomasyon<\/strong>: End\u00fcstriyel s\u00fcre\u00e7lerin kontrol\u00fc ve izlemesi i\u00e7in kullan\u0131l\u0131r.<\/li>\n\n\n\n
    3. Is\u0131tma ve So\u011futma Sistemleri<\/strong>: Evlerde ve ticari binalarda \u0131s\u0131tma, havaland\u0131rma ve iklimlendirme (HVAC) sistemlerinin kontrol\u00fc i\u00e7in kullan\u0131l\u0131r.<\/li>\n\n\n\n
    4. T\u0131bbi Cihazlar<\/strong>: T\u0131bbi cihazlarda v\u00fccut s\u0131cakl\u0131\u011f\u0131n\u0131 izlemek i\u00e7in kullan\u0131l\u0131r.<\/li>\n\n\n\n
    5. Otomotiv Uygulamalar\u0131<\/strong>: Arabalarda i\u00e7 ve d\u0131\u015f s\u0131cakl\u0131\u011f\u0131 izlemek ve motorun s\u0131cakl\u0131k kontrol\u00fc i\u00e7in kullan\u0131l\u0131r.<\/li>\n<\/ol>\n\n\n\n

      \u00d6rnek Projeler<\/strong><\/p>\n\n\n\n

      Analog s\u0131cakl\u0131k sens\u00f6rlerinin kullan\u0131m\u0131 ile bir\u00e7ok yarat\u0131c\u0131 proje olu\u015fturabilirsiniz. \u0130\u015fte bir \u00f6rnek proje:<\/p>\n\n\n\n

        \n
      1. Dijital S\u0131cakl\u0131k G\u00f6stergesi<\/strong>: Bir Arduino veya ba\u015fka bir mikrodenetleyici kullanarak bir NTC termist\u00f6r\u00fc ve bir LCD ekran\u0131 ba\u011flay\u0131n. S\u0131cakl\u0131k sens\u00f6r\u00fcnden gelen analog sinyali okuyun, bu sinyali s\u0131cakl\u0131k de\u011ferine d\u00f6n\u00fc\u015ft\u00fcr\u00fcn ve LCD ekran\u0131nda s\u0131cakl\u0131k de\u011ferini g\u00f6r\u00fcnt\u00fcleyin.<\/li>\n<\/ol>\n\n\n\n

        Bu t\u00fcr bir proje, analog s\u0131cakl\u0131k sens\u00f6rlerinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 ve s\u0131cakl\u0131k izleme sistemi olu\u015fturman\u0131n temellerini anlaman\u0131za yard\u0131mc\u0131 olacakt\u0131r. Daha karma\u015f\u0131k projelerde, s\u0131cakl\u0131k verilerini kaydedebilir, uzaktan izleyebilir veya s\u0131cakl\u0131k kontrol sistemleri olu\u015fturabilirsiniz.<\/p>\n\n\n\n

        Bir analog s\u0131cakl\u0131k sens\u00f6r\u00fcn\u00fc kullanarak temel bir proje olu\u015ftural\u0131m. Bu projede, bir Arduino ile bir NTC (Negatif S\u0131cakl\u0131k Katsay\u0131s\u0131) termist\u00f6r kullanarak s\u0131cakl\u0131k de\u011ferini okuyaca\u011f\u0131z ve bu de\u011feri seri monit\u00f6r \u00fczerinde g\u00f6r\u00fcnt\u00fcleyece\u011fiz.<\/p>\n\n\n\n

        Malzemeler:<\/strong><\/p>\n\n\n\n

          \n
        1. Arduino (\u00f6rne\u011fin, Arduino Uno)<\/li>\n\n\n\n
        2. NTC termist\u00f6r<\/li>\n\n\n\n
        3. Bir 10K ohm diren\u00e7<\/li>\n\n\n\n
        4. Erkek-erkek Jumper kablolar<\/li>\n\n\n\n
        5. USB kablosu (Arduino’yu bilgisayara ba\u011flamak i\u00e7in)<\/li>\n<\/ol>\n\n\n\n

          Devre Ba\u011flant\u0131s\u0131:<\/strong><\/p>\n\n\n\n

          Bu projede, bir NTC termist\u00f6r\u00fc ve bir 10K ohm direnci kullanaca\u011f\u0131z. Devre ba\u011flant\u0131lar\u0131 \u015fu \u015fekildedir:<\/p>\n\n\n\n

            \n
          1. Termist\u00f6r ve diren\u00e7 ba\u011flant\u0131s\u0131:\n
              \n
            • Termist\u00f6r\u00fcn bir ucu, 10K ohm direncin bir ucuna ba\u011flan\u0131r.<\/li>\n\n\n\n
            • Termist\u00f6r\u00fcn di\u011fer ucu, Arduino’nun analog pinine ba\u011flan\u0131r (\u00f6rne\u011fin, A0).<\/li>\n\n\n\n
            • 10K ohm direncin di\u011fer ucu, Arduino’nun GND (Toprak) pinine ba\u011flan\u0131r.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
            • Arduino’yu bilgisayara USB kablosu ile ba\u011flay\u0131n.<\/li>\n<\/ol>\n\n\n\n

              Arduino Program\u0131:<\/strong><\/p>\n\n\n\n

              A\u015fa\u011f\u0131da, Arduino ile NTC termist\u00f6r\u00fc kullanarak s\u0131cakl\u0131k de\u011ferini okumak ve seri monit\u00f6r \u00fczerinde g\u00f6r\u00fcnt\u00fclemek i\u00e7in kullan\u0131labilecek bir \u00f6rnek program bulunmaktad\u0131r:<\/p>\n\n\n\n

              const int analogPin = A0; \/\/ Termist\u00f6r\u00fcn ba\u011fl\u0131 oldu\u011fu analog pin\r\nconst int referenceResistor = 10000; \/\/ 10K ohm diren\u00e7\r\n\r\nvoid setup() {\r\n  Serial.begin(9600); \/\/ Seri monit\u00f6r i\u00e7in ba\u015flat\r\n}\r\n\r\nvoid loop() {\r\n  int sensorValue = analogRead(analogPin); \/\/ Termist\u00f6rden analog veriyi oku\r\n\r\n  \/\/ Termist\u00f6r diren\u00e7 de\u011ferini hesapla\r\n  float resistance = referenceResistor \/ (1023.0 \/ sensorValue - 1.0);\r\n\r\n  \/\/ Termist\u00f6r\u00fcn s\u0131cakl\u0131k de\u011ferini hesapla (termist\u00f6r\u00fcn datasheet'inden yararlan\u0131n)\r\n  float temperature = 1.0 \/ ((log(resistance \/ 10000) \/ 3950.0) + (1.0 \/ 298.15)) - 273.15;\r\n\r\n  Serial.print(\"Sicaklik: \");\r\n  Serial.print(temperature, 2); \/\/ 2 ondal\u0131k basamakla s\u0131cakl\u0131\u011f\u0131 g\u00f6r\u00fcnt\u00fcle\r\n  Serial.println(\" \u00b0C\");\r\n\r\n  delay(1000); \/\/ 1 saniyede bir \u00f6l\u00e7\u00fcm yap\r\n}\r<\/code><\/pre>\n\n\n\n
              Bu program, termist\u00f6r\u00fcn analog verisini okur, diren\u00e7 de\u011ferini hesaplar ve ard\u0131ndan s\u0131cakl\u0131k de\u011ferini hesaplar. Hesaplama, termist\u00f6r\u00fcn datasheet’inden al\u0131nan parametrelerle yap\u0131l\u0131r. Elde edilen s\u0131cakl\u0131k de\u011feri, seri monit\u00f6r \u00fczerinde g\u00f6r\u00fcnt\u00fclenir.<\/p>\n\n\n\n
              Dikkat Edilmesi Gerekenler:<\/strong><\/p>\n\n\n\n
                \n
              • Termist\u00f6r\u00fcn datasheet’inden do\u011fru diren\u00e7-s\u0131cakl\u0131k ili\u015fkisini belirlemek \u00f6nemlidir.<\/li>\n\n\n\n
              • Termist\u00f6r\u00fcn belirli bir s\u0131cakl\u0131k aral\u0131\u011f\u0131nda do\u011fru \u00f6l\u00e7\u00fcm yapabilmesi i\u00e7in kalibrasyon gerekebilir.<\/li>\n<\/ul>\n\n\n\n
                Bu projede, analog s\u0131cakl\u0131k sens\u00f6r\u00fcn\u00fcn nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 ve s\u0131cakl\u0131k verilerini nas\u0131l elde edece\u011finizi \u00f6\u011frenebilirsiniz. Daha karma\u015f\u0131k projelerde, s\u0131cakl\u0131k de\u011ferlerini kaydedebilir, kontrol sistemleri olu\u015fturabilir veya s\u0131cakl\u0131kla ilgili uyar\u0131lar g\u00f6nderebilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"
                Ne Yaparlar ve Nas\u0131l Kullan\u0131l\u0131r? Analog s\u0131cakl\u0131k sens\u00f6rleri, s\u0131cakl\u0131k de\u011ferlerini analog bir gerilim sinyali olarak \u00f6l\u00e7en ve \u00e7eviren elektronik bile\u015fenlerdir. Analog S\u0131cakl\u0131k Sens\u00f6r\u00fc Nedir? Analog […]<\/p>\n","protected":false},"author":3,"featured_media":623,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[97,12,10,43,15],"class_list":["post-622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino-ile-robotik-kodlama","tag-analog-sicaklik-sensoru","tag-arduino","tag-kodlama","tag-robotik","tag-robotik-kodlama"],"_links":{"self":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts\/622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/comments?post=622"}],"version-history":[{"count":1,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts\/622\/revisions"}],"predecessor-version":[{"id":624,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/posts\/622\/revisions\/624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/media\/623"}],"wp:attachment":[{"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/media?parent=622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/categories?post=622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.facadium.com.tr\/blog\/wp-json\/wp\/v2\/tags?post=622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}