{"id":920,"date":"2025-05-22T07:50:37","date_gmt":"2025-05-22T07:50:37","guid":{"rendered":"https:\/\/glebdranitson24.thkit.ee\/wp\/?page_id=920"},"modified":"2025-06-12T05:34:57","modified_gmt":"2025-06-12T05:34:57","slug":"buzzer","status":"publish","type":"page","link":"https:\/\/glebdranitson24.thkit.ee\/wp\/?page_id=920","title":{"rendered":"Buzzer"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>\u041e\u0431\u0449\u0435\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/strong><\/h2>\n\n\n\n<p>\u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442 \u043c\u0435\u043b\u043e\u0434\u0438\u044e \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e <strong>\u043f\u044c\u0435\u0437\u043e\u0438\u0437\u043b\u0443\u0447\u0430\u0442\u0435\u043b\u044f (buzzer)<\/strong>, \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043a \u043f\u0438\u043d\u0443 <strong>D9<\/strong>.<br>\u041c\u0435\u043b\u043e\u0434\u0438\u044f \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043a\u0430\u043a \u0441\u0442\u0440\u043e\u043a\u0430 \u0438\u0437 \u0431\u0443\u043a\u0432\u0435\u043d\u043d\u044b\u0445 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043d\u043e\u0442, \u0430 <strong>\u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043a\u0430\u0436\u0434\u043e\u0439 \u043d\u043e\u0442\u044b<\/strong> \u0445\u0440\u0430\u043d\u0438\u0442\u0441\u044f \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u043c\u0430\u0441\u0441\u0438\u0432\u0435.<\/p>\n\n\n\n<p>\u0424\u0443\u043d\u043a\u0446\u0438\u044f <code>tone()<\/code> \u0441\u043e\u0437\u0434\u0430\u0451\u0442 \u0437\u0432\u0443\u043a \u043d\u0443\u0436\u043d\u043e\u0439 \u0447\u0430\u0441\u0442\u043e\u0442\u044b, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u043d\u043e\u0442\u0435. \u0415\u0441\u043b\u0438 \u0441\u0438\u043c\u0432\u043e\u043b \u2014 \u043f\u0440\u043e\u0431\u0435\u043b (<code>' '<\/code>), \u0442\u043e \u044d\u0442\u043e <strong>\u043f\u0430\u0443\u0437\u0430<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udfe2 \u0427\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u043a\u043e\u0434:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0412\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442 \u043c\u0435\u043b\u043e\u0434\u0438\u044e, \u0437\u0430\u0434\u0430\u043d\u043d\u0443\u044e \u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u0435 <code>notes[]<\/code><\/li>\n\n\n\n<li>\u041a\u0430\u0436\u0434\u043e\u0439 \u043d\u043e\u0442\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0440\u0438\u0442\u043c \u0438\u0437 <code>beats[]<\/code><\/li>\n\n\n\n<li>\u041f\u043e\u0441\u043b\u0435 \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u2014 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u043e\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"908\" height=\"752\" src=\"https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/05\/pilt-6.png\" alt=\"\" class=\"wp-image-921\" srcset=\"https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/05\/pilt-6.png 908w, https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/05\/pilt-6-300x248.png 300w, https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/05\/pilt-6-768x636.png 768w, https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/05\/pilt-6-150x124.png 150w, https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/05\/pilt-6-600x497.png 600w\" sizes=\"auto, (max-width: 908px) 100vw, 908px\" \/><\/figure>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: arduino; title: ; notranslate\" title=\"\">\n\/\/ \ud83c\udfb5 \u041c\u0415\u041b\u041e\u0414\u0418\u042f \u041d\u0410 ARDUINO \u0421 \u041f\u041e\u041c\u041e\u0429\u042c\u042e BUZZER\n\n#include &lt;Arduino.h&gt; \/\/ (\u043d\u0435\u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432 Arduino IDE)\n\n\/\/ ==================== \u041d\u0410\u0421\u0422\u0420\u041e\u0419\u041a\u0418 ====================\n\n\/\/ \u041f\u0438\u043d, \u043a \u043a\u043e\u0442\u043e\u0440\u043e\u043c\u0443 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0451\u043d \u0437\u0443\u043c\u043c\u0435\u0440 (\u043f\u044c\u0435\u0437\u043e)\nconst int buzzerPin = 9;\n\n\/\/ \u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0437\u0432\u0443\u043a\u043e\u0432 (\u043d\u043e\u0442 + \u043f\u0430\u0443\u0437) \u0432 \u043c\u0435\u043b\u043e\u0434\u0438\u0438\nconst int songLength = 18;\n\n\/\/ \u0421\u0442\u0440\u043e\u043a\u0430 \u0441 \u043d\u043e\u0442\u0430\u043c\u0438: \u043a\u0430\u0436\u0434\u0430\u044f \u0431\u0443\u043a\u0432\u0430 \u2014 \u043d\u043e\u0442\u0430, \u043f\u0440\u043e\u0431\u0435\u043b \u2014 \u043f\u0430\u0443\u0437\u0430\n\/\/ \u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043d\u043e\u0442\u044b: c d e f g a b C (C \u2014 \u0432\u044b\u0441\u043e\u043a\u0430\u044f &quot;\u0434\u043e&quot;)\nchar notes&#x5B;] = &quot;cdfda ag cdfdg gf &quot;;\n\n\/\/ \u0414\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043a\u0430\u0436\u0434\u043e\u0439 \u043d\u043e\u0442\u044b (1 = \u043a\u043e\u0440\u043e\u0442\u043a\u0430\u044f, 4 = \u0434\u043b\u0438\u043d\u043d\u0430\u044f \u0438 \u0442.\u0434.)\nint beats&#x5B;] = {\n  1, 1, 1, 1, 1, 1, 4, 4, 2,\n  1, 1, 1, 1, 1, 1, 4, 4, 2\n};\n\n\/\/ \u0422\u0435\u043c\u043f (\u043c\u043d\u043e\u0436\u0438\u0442\u0435\u043b\u044c \u0440\u0438\u0442\u043c\u0430). \u0427\u0435\u043c \u043c\u0435\u043d\u044c\u0448\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u2014 \u0442\u0435\u043c \u0431\u044b\u0441\u0442\u0440\u0435\u0435 \u0438\u0433\u0440\u0430\u0435\u0442.\nint tempo = 150;\n\n\/\/ ==================== \u041d\u0410\u0421\u0422\u0420\u041e\u0419\u041a\u0410 \u041f\u0418\u041d\u0410 ====================\n\nvoid setup() {\n  pinMode(buzzerPin, OUTPUT); \/\/ \u0423\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u043f\u0438\u043d \u0434\u043b\u044f \u0437\u0443\u043c\u043c\u0435\u0440\u0430 \u043a\u0430\u043a \u0432\u044b\u0445\u043e\u0434\n}\n\n\/\/ ==================== \u041e\u0421\u041d\u041e\u0412\u041d\u041e\u0419 \u0426\u0418\u041a\u041b ====================\n\nvoid loop() {\n  int i, duration;\n\n  \/\/ \u041f\u0440\u043e\u0445\u043e\u0434\u0438\u043c \u043f\u043e \u0432\u0441\u0435\u043c \u043d\u043e\u0442\u0430\u043c\n  for (i = 0; i &lt; songLength; i++) {\n    duration = beats&#x5B;i] * tempo; \/\/ \u0412\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u043c \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0437\u0432\u0443\u0447\u0430\u043d\u0438\u044f\n\n    if (notes&#x5B;i] == &#039; &#039;) {\n      \/\/ \u0415\u0441\u043b\u0438 \u0432 \u0441\u0442\u0440\u043e\u043a\u0435 \u043f\u0440\u043e\u0431\u0435\u043b \u2014 \u0434\u0435\u043b\u0430\u0435\u043c \u043f\u0430\u0443\u0437\u0443\n      delay(duration);\n    } else {\n      \/\/ \u0415\u0441\u043b\u0438 \u0435\u0441\u0442\u044c \u043d\u043e\u0442\u0430 \u2014 \u0438\u0433\u0440\u0430\u0435\u043c \u0435\u0451\n      tone(buzzerPin, frequency(notes&#x5B;i]), duration);\n      delay(duration); \/\/ \u0436\u0434\u0451\u043c \u043e\u043a\u043e\u043d\u0447\u0430\u043d\u0438\u044f \u0437\u0432\u0443\u0447\u0430\u043d\u0438\u044f\n    }\n\n    delay(tempo \/ 10); \/\/ \u043a\u043e\u0440\u043e\u0442\u043a\u0430\u044f \u043f\u0430\u0443\u0437\u0430 \u043c\u0435\u0436\u0434\u0443 \u043d\u043e\u0442\u0430\u043c\u0438\n  }\n\n  \/\/ \u041e\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 (\u0438\u043b\u0438 \u043c\u043e\u0436\u043d\u043e \u0443\u0431\u0440\u0430\u0442\u044c \u0434\u043b\u044f \u043f\u043e\u0432\u0442\u043e\u0440\u0435\u043d\u0438\u044f)\n  while (true) {\n    \/\/ \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u0434\u0435\u043b\u0430\u0435\u043c \u2014 \u043c\u0435\u043b\u043e\u0434\u0438\u044f \u043f\u0440\u043e\u0438\u0433\u0440\u0430\u043d\u0430\n  }\n}\n\n\/\/ ==================== \u041f\u0415\u0420\u0415\u0412\u041e\u0414 \u041d\u041e\u0422 \u0412 \u0427\u0410\u0421\u0422\u041e\u0422\u042b ====================\n\n\/\/ \u041f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0441\u0438\u043c\u0432\u043e\u043b \u043d\u043e\u0442\u044b \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0447\u0430\u0441\u0442\u043e\u0442\u0443 (\u0432 \u0433\u0435\u0440\u0446\u0430\u0445)\nint frequency(char note) {\n  const int numNotes = 8; \/\/ \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0445 \u043d\u043e\u0442\n  char names&#x5B;] = { &#039;c&#039;, &#039;d&#039;, &#039;e&#039;, &#039;f&#039;, &#039;g&#039;, &#039;a&#039;, &#039;b&#039;, &#039;C&#039; };\n  int frequencies&#x5B;] = { 262, 294, 330, 349, 392, 440, 494, 523 };\n\n  for (int i = 0; i &lt; numNotes; i++) {\n    if (names&#x5B;i] == note) {\n      return frequencies&#x5B;i];\n    }\n  }\n\n  return 0; \/\/ \u0435\u0441\u043b\u0438 \u0441\u0438\u043c\u0432\u043e\u043b \u043d\u0435 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u043d\n}\n\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h2>\n\n\n\n<p>\u041f\u0440\u043e\u0435\u043a\u0442 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u0431\u0430\u0437\u043e\u0432\u044b\u0435 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u044b \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043c\u0435\u043b\u043e\u0434\u0438\u0439 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e Arduino \u0438 \u043f\u044c\u0435\u0437\u043e\u0437\u0443\u043c\u043c\u0435\u0440\u0430. \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u0431\u0443\u043a\u0432\u0435\u043d\u043d\u044b\u0445 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043d\u043e\u0442 \u0432 \u0447\u0430\u0441\u0442\u043e\u0442\u044b, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0440\u0438\u0442\u043c\u043e\u043c \u0438 \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043c\u0435\u043b\u043e\u0434\u0438\u0438 \u0441 \u043f\u0430\u0443\u0437\u0430\u043c\u0438. \u041e\u0442\u043b\u0438\u0447\u043d\u043e \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u043a\u0430\u043a \u0432\u0432\u043e\u0434\u043d\u044b\u0439 \u043c\u0443\u0437\u044b\u043a\u0430\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430 Arduino.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Projekti\u00fclesanne: V\u00e4ike Alarm S\u00fcsteem<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0426\u0435\u043b\u044c:<\/h3>\n\n\n\n<p>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u0443\u044e \u0437\u0432\u0443\u043a\u043e\u0432\u0443\u044e \u0441\u0438\u0433\u043d\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c buzzer \u0438 \u0434\u0430\u0442\u0447\u0438\u043a\u0430 \u043e\u0441\u0432\u0435\u0449\u0451\u043d\u043d\u043e\u0441\u0442\u0438 (\u0444\u043e\u0442\u043e\u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430). \u041f\u0440\u0438 \u043d\u0430\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u0438 \u0442\u0435\u043c\u043d\u043e\u0442\u044b \u0434\u043e\u043b\u0436\u043d\u0430 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u043f\u0438\u0449\u0430\u043b\u043a\u0430.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Arduino Uno<\/li>\n\n\n\n<li>\u041f\u0438\u0449\u0430\u043b\u043a\u0430 (buzzer)<\/li>\n\n\n\n<li>\u0424\u043e\u0442\u043e\u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440<\/li>\n\n\n\n<li>\u0420\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u044b 10 \u043a\u041e\u043c, 220 \u041e\u043c<\/li>\n\n\n\n<li>\u041c\u0430\u043a\u0435\u0442\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0430 (breadboard)<\/li>\n\n\n\n<li>\u041f\u0440\u043e\u0432\u043e\u0434\u0430<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"763\" height=\"619\" src=\"https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/06\/image-101.png\" alt=\"\" class=\"wp-image-937\" srcset=\"https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/06\/image-101.png 763w, https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/06\/image-101-300x243.png 300w, https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/06\/image-101-150x122.png 150w, https:\/\/glebdranitson24.thkit.ee\/wp\/wp-content\/uploads\/2025\/06\/image-101-600x487.png 600w\" sizes=\"auto, (max-width: 763px) 100vw, 763px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u0424\u043e\u0442\u043e\u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440 \u043a \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u043e\u043c\u0443 \u043f\u0438\u043d\u0443 A0 \u0447\u0435\u0440\u0435\u0437 \u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440 10 \u043a\u041e\u043c (\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f).<\/li>\n\n\n\n<li>\u041f\u0438\u0449\u0430\u043b\u043a\u0430:\n<ul class=\"wp-block-list\">\n<li>(\u0434\u043b\u0438\u043d\u043d\u0430\u044f \u043d\u043e\u0436\u043a\u0430) \u2192 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u0438\u043d D8<\/li>\n\n\n\n<li>(\u043a\u043e\u0440\u043e\u0442\u043a\u0430\u044f \u043d\u043e\u0436\u043a\u0430) \u2192 GND<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u041f\u0440\u0438\u043d\u0446\u0438\u043f \u0440\u0430\u0431\u043e\u0442\u044b:<\/h3>\n\n\n\n<p>Arduino \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u0441 \u0444\u043e\u0442\u043e\u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430.<br>\u0415\u0441\u043b\u0438 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u0441\u0432\u0435\u0449\u0451\u043d\u043d\u043e\u0441\u0442\u0438 \u043f\u0430\u0434\u0430\u0435\u0442 \u043d\u0438\u0436\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 300), \u0442\u043e \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0441\u0438\u0433\u043d\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u2014 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u0438\u0449\u0430\u043b\u043a\u0430.<br>\u041a\u043e\u0433\u0434\u0430 \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u0441\u044f \u0441\u0432\u0435\u0442\u043b\u043e \u2014 \u0441\u0438\u0433\u043d\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0432\u044b\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: arduino; title: ; notranslate\" title=\"\">\n#include &lt;LiquidCrystal.h&gt;\n \n\/\/ LCD \u043f\u0438\u043d\u044b: RS, E, D4, D5, D6, D7\nLiquidCrystal lcd(12, 11, 5, 4, 3, 2);\n \n\/\/ \u041f\u0438\u043d\u044b\nconst int tempPin = A0;\nconst int ldrPin = A1;\nconst int systemSwitchPin = A5;  \/\/ \u0441\u0432\u0438\u0447 (analogRead)\nconst int buzzerPin = 9;         \/\/ \u0437\u0443\u043c\u043c\u0435\u0440\n \n\/\/ \u041c\u0435\u043b\u043e\u0434\u0438\u044f\n#define NOTE_C4  262\n#define NOTE_D4  294\n#define NOTE_E4  330\n#define NOTE_F4  349\n#define NOTE_G4  392\n#define NOTE_A4  440\n#define NOTE_B4  494\n#define NOTE_C5  523\n \nint melody&#x5B;] = { NOTE_C4, NOTE_D4, NOTE_E4, NOTE_F4, NOTE_G4, NOTE_A4, NOTE_B4, NOTE_C5 };\nint durations&#x5B;] = { 4, 4, 4, 4, 4, 4, 4, 4 };\n \nint noteIndex = 0;\nunsigned long lastNoteTime = 0;\n \nvoid setup() {\n  lcd.begin(16, 2);\n  pinMode(buzzerPin, OUTPUT);\n  Serial.begin(9600);\n}\n \nvoid loop() {\n  int controlValue = analogRead(systemSwitchPin);\n  bool systemOn = controlValue &lt; 500;\n \n  float tempC = getTemperature();\n  int lightLevel = analogRead(ldrPin);\n  bool dark = lightLevel &lt; 200;\n  bool hot = tempC &gt; 30;\n \n  \/\/ \u0414\u0438\u0441\u043f\u043b\u0435\u0439: \u0441\u0442\u0440\u043e\u043a\u0430 1 \u2014 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u0438 \u0441\u0432\u0435\u0442\n  lcd.setCursor(0, 0);\n  lcd.print(&quot;T:&quot;);\n  lcd.print(tempC, 1);\n  lcd.print((char)223); \/\/ \u00b0C\n  lcd.print(&quot;C L:&quot;);\n  lcd.print(lightLevel);\n  if (lightLevel &lt; 100) lcd.print(&quot; &quot;);\n \n  \/\/ \u0414\u0438\u0441\u043f\u043b\u0435\u0439: \u0441\u0442\u0440\u043e\u043a\u0430 2 \u2014 \u0441\u0442\u0430\u0442\u0443\u0441\n  lcd.setCursor(0, 1);\n  if (!systemOn) {\n    lcd.print(&quot;System OFF       &quot;);\n    noTone(buzzerPin);\n  } else if (dark || hot) {\n    if (dark &amp;&amp; hot) lcd.print(&quot;Hot &amp; Dark Alarm!&quot;);\n    else if (hot) lcd.print(&quot;Too Hot! Alarm!! &quot;);\n    else lcd.print(&quot;Dark! Alarm!!!   &quot;);\n    tone(buzzerPin, 1000, 500); \/\/ \u0441\u0438\u0433\u043d\u0430\u043b \u0442\u0440\u0435\u0432\u043e\u0433\u0438\n  } else {\n    lcd.print(&quot;All OK           &quot;);\n    playMelodyStep(); \/\/ \u0444\u043e\u043d\u043e\u0432\u0430\u044f \u043c\u0435\u043b\u043e\u0434\u0438\u044f\n  }\n \n  \/\/ \u041e\u0442\u043b\u0430\u0434\u043a\u0430 \u0432 Serial Monitor\n  Serial.print(&quot;Temp: &quot;);\n  Serial.print(tempC);\n  Serial.print(&quot; C | Light: &quot;);\n  Serial.print(lightLevel);\n  Serial.print(&quot; | A5: &quot;);\n  Serial.print(controlValue);\n  Serial.print(&quot; | systemOn: &quot;);\n  Serial.println(systemOn);\n \n  delay(100);\n}\n \n\/\/ TMP36\nfloat getTemperature() {\n  int analogValue = analogRead(tempPin);\n  float voltage = analogValue * 5.0 \/ 1023.0;\n  return (voltage - 0.5) * 100.0;\n}\n \n\/\/ \u041c\u0435\u043b\u043e\u0434\u0438\u044f \u043f\u043e \u043e\u0434\u043d\u043e\u0439 \u043d\u043e\u0442\u0435\nvoid playMelodyStep() {\n  static bool isPlaying = false;\n  unsigned long now = millis();\n \n  if (!isPlaying &amp;&amp; now - lastNoteTime &gt;= 300) {\n    int duration = 1000 \/ durations&#x5B;noteIndex];\n    tone(buzzerPin, melody&#x5B;noteIndex], duration);\n    lastNoteTime = now;\n    isPlaying = true;\n  } else if (isPlaying &amp;&amp; now - lastNoteTime &gt;= 400) {\n    noTone(buzzerPin);\n    noteIndex++;\n    if (noteIndex &gt;= sizeof(melody) \/ sizeof(int)) {\n      noteIndex = 0;\n    }\n    lastNoteTime = now;\n    isPlaying = false;\n  }\n}\n<\/pre><\/div>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"V\u00e4ike Alarm S\u00fcsteem\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/9RbeGMsipTI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>\u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u044d\u0442\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043c\u044b \u0441\u043e\u0437\u0434\u0430\u043b\u0438 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u0443\u044e \u043e\u0445\u0440\u0430\u043d\u043d\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u043d\u0430 \u0431\u0430\u0437\u0435 Arduino, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u0443\u044e \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u2014 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u0441\u0432\u0435\u0449\u0451\u043d\u043d\u043e\u0441\u0442\u0438 \u0438 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0443. \u041f\u0440\u0438 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u0438 \u0442\u0440\u0435\u0432\u043e\u0436\u043d\u043e\u0439 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u0443\u0435\u0442 \u0437\u0432\u0443\u043a\u043e\u0432\u043e\u0435 \u043e\u043f\u043e\u0432\u0435\u0449\u0435\u043d\u0438\u0435 \u0438 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0435\u0442 \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u0435 \u043d\u0430 \u044d\u043a\u0440\u0430\u043d\u0435 LCD.<\/p>\n\n\n\n<p><strong>\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u043f\u043e\u043d\u0438\u0436\u0435\u043d\u043d\u043e\u0435 \u043e\u0441\u0432\u0435\u0449\u0435\u043d\u0438\u0435 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0444\u043e\u0442\u043e\u0440\u0435\u0437\u0438\u0441\u0442\u043e\u0440\u0430 \u0438 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u044b \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u0434\u0430\u0442\u0447\u0438\u043a\u0443 TMP36.<\/li>\n\n\n\n<li>\u041e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0435\u0442 \u0442\u0435\u043a\u0443\u0449\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u044b, \u043e\u0441\u0432\u0435\u0449\u0451\u043d\u043d\u043e\u0441\u0442\u0438 \u0438 \u0441\u0442\u0430\u0442\u0443\u0441 \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430 \u0434\u0438\u0441\u043f\u043b\u0435\u0435.<\/li>\n\n\n\n<li>\u041e\u0441\u043d\u0430\u0449\u0435\u043d\u0430 \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0430\u0442\u0435\u043b\u0435\u043c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u043c \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u043f\u0440\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438.<\/li>\n\n\n\n<li>\u0412\u043e \u0432\u0440\u0435\u043c\u044f \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0444\u043e\u043d\u043e\u0432\u0430\u044f \u043c\u0435\u043b\u043e\u0434\u0438\u044f, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u0430\u044f \u0438\u0437 \u043c\u0443\u0437\u044b\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u043d\u043e\u0442.<\/li>\n\n\n\n<li>\u041f\u0440\u0438 \u0442\u0440\u0435\u0432\u043e\u0433\u0435 \u043f\u043e\u0434\u0430\u0451\u0442\u0441\u044f \u0441\u0438\u0433\u043d\u0430\u043b \u0438 \u0432\u044b\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043e \u043d\u0430\u0440\u0443\u0448\u0435\u043d\u0438\u0438.<\/li>\n<\/ul>\n\n\n\n<p>\u0422\u0430\u043a\u043e\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u0430\u0442\u044c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u043c \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u00ab\u0443\u043c\u043d\u043e\u0433\u043e \u0434\u043e\u043c\u0430\u00bb \u2014 \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043d\u043e\u0447\u043d\u043e\u0439 \u043e\u0445\u0440\u0430\u043d\u043d\u0438\u043a, \u0441\u0438\u0433\u043d\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0433\u0440\u0435\u0432\u0435 \u043f\u043e\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u043f\u0440\u043e\u0441\u0442\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e \u043e\u043f\u043e\u0432\u0435\u0449\u0435\u043d\u0438\u044f. \u041f\u0440\u043e\u0435\u043a\u0442 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u044f\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u0434\u0430\u0442\u0447\u0438\u043a\u0430\u043c\u0438, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0432\u044b\u0432\u043e\u0434\u043e\u043c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0438 \u0437\u0432\u0443\u043a\u0430, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442, \u043a\u0430\u043a \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0434\u0438\u0441\u043f\u043b\u0435\u044f \u0438 \u0437\u0432\u0443\u043a\u043e\u0432\u044b\u0445 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u041e\u0431\u0449\u0435\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442 \u043c\u0435\u043b\u043e\u0434\u0438\u044e \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043f\u044c\u0435\u0437\u043e\u0438\u0437\u043b\u0443\u0447\u0430\u0442\u0435\u043b\u044f (buzzer), \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043a \u043f\u0438\u043d\u0443 D9.\u041c\u0435\u043b\u043e\u0434\u0438\u044f \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043a\u0430\u043a \u0441\u0442\u0440\u043e\u043a\u0430 \u0438\u0437 \u0431\u0443\u043a\u0432\u0435\u043d\u043d\u044b\u0445 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043d\u043e\u0442, \u0430 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043a\u0430\u0436\u0434\u043e\u0439 \u043d\u043e\u0442\u044b \u0445\u0440\u0430\u043d\u0438\u0442\u0441\u044f \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u043c\u0430\u0441\u0441\u0438\u0432\u0435. \u0424\u0443\u043d\u043a\u0446\u0438\u044f tone() \u0441\u043e\u0437\u0434\u0430\u0451\u0442 \u0437\u0432\u0443\u043a \u043d\u0443\u0436\u043d\u043e\u0439 \u0447\u0430\u0441\u0442\u043e\u0442\u044b, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u043d\u043e\u0442\u0435. \u0415\u0441\u043b\u0438 \u0441\u0438\u043c\u0432\u043e\u043b \u2014 \u043f\u0440\u043e\u0431\u0435\u043b (&#8216; &#8216;), \u0442\u043e \u044d\u0442\u043e \u043f\u0430\u0443\u0437\u0430 \ud83d\udfe2 \u0427\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u043a\u043e\u0434: \u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u041f\u0440\u043e\u0435\u043a\u0442 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u0431\u0430\u0437\u043e\u0432\u044b\u0435 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u044b \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f &#8230; <a title=\"Buzzer\" class=\"read-more\" href=\"https:\/\/glebdranitson24.thkit.ee\/wp\/?page_id=920\" aria-label=\"Read more about Buzzer\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-920","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Buzzer - Gleb Dranitsyn \/ Portfolio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/glebdranitson24.thkit.ee\/wp\/?page_id=920\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Buzzer - Gleb Dranitsyn \/ Portfolio\" \/>\n<meta property=\"og:description\" content=\"\u041e\u0431\u0449\u0435\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442 \u043c\u0435\u043b\u043e\u0434\u0438\u044e \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043f\u044c\u0435\u0437\u043e\u0438\u0437\u043b\u0443\u0447\u0430\u0442\u0435\u043b\u044f (buzzer), \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043a \u043f\u0438\u043d\u0443 D9.\u041c\u0435\u043b\u043e\u0434\u0438\u044f \u0437\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043a\u0430\u043a \u0441\u0442\u0440\u043e\u043a\u0430 \u0438\u0437 \u0431\u0443\u043a\u0432\u0435\u043d\u043d\u044b\u0445 \u043e\u0431\u043e\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043d\u043e\u0442, \u0430 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043a\u0430\u0436\u0434\u043e\u0439 \u043d\u043e\u0442\u044b \u0445\u0440\u0430\u043d\u0438\u0442\u0441\u044f \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u043c\u0430\u0441\u0441\u0438\u0432\u0435. \u0424\u0443\u043d\u043a\u0446\u0438\u044f tone() \u0441\u043e\u0437\u0434\u0430\u0451\u0442 \u0437\u0432\u0443\u043a \u043d\u0443\u0436\u043d\u043e\u0439 \u0447\u0430\u0441\u0442\u043e\u0442\u044b, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u043d\u043e\u0442\u0435. \u0415\u0441\u043b\u0438 \u0441\u0438\u043c\u0432\u043e\u043b \u2014 \u043f\u0440\u043e\u0431\u0435\u043b (&#039; &#039;), \u0442\u043e \u044d\u0442\u043e \u043f\u0430\u0443\u0437\u0430 \ud83d\udfe2 \u0427\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u043a\u043e\u0434: \u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u041f\u0440\u043e\u0435\u043a\u0442 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u0431\u0430\u0437\u043e\u0432\u044b\u0435 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u044b \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f ... 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