{"id":709,"date":"2016-12-10T20:23:43","date_gmt":"2016-12-10T12:23:43","guid":{"rendered":"https:\/\/hpcgoblog.wordpress.com\/?p=709"},"modified":"2026-01-13T10:11:28","modified_gmt":"2026-01-13T02:11:28","slug":"%e8%81%b2%e9%9f%b3%e6%84%9f%e6%b8%ac%e5%99%a8s03_big_sound","status":"publish","type":"post","link":"https:\/\/cfnavi.org\/aitech\/%e8%81%b2%e9%9f%b3%e6%84%9f%e6%b8%ac%e5%99%a8s03_big_sound\/","title":{"rendered":"S03\/04_Sound(\u8072\u97f3\u611f\u6e2c\u5668)"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u3010\u8aaa\u660e\u3011<\/h3>\n\n\n\n<p>\u8072\u97f3\u611f\u6e2c\u5668\u53ef\u4ee5\u5075\u6e2c\u97f3\u91cf\u7684\u5927\u5c0f\uff0c\u540c\u6642\u53ef\u4ee5\u8f38\u51fa\u6578\u4f4d\u53ca\u985e\u6bd4\u7684\u503c\uff0c\u5b83\u7684\u61c9\u7528\u53ef\u4ee5\u85c9\u7531\u62cd\u624b\u4f86\u958b\u95dc\u8a2d\u5099\uff0c\u82e5\u642d\u914d\u7e7c\u96fb\u5668(Relay)\u5c07\u6703\u6709\u66f4\u591a\u7684\u61c9\u7528\u3002<\/p>\n\n\n\n<p>\u8072\u97f3\u611f\u6e2c\u5668\u81f3\u5c11\u53ef\u5206\u70ba\u8072\u97f3\u611f\u6e2c\u5668\u53ca\u4f4e\u611f\u5ea6\u8072\u97f3\u611f\u6e2c\u5668\uff0c\u5982\u4e0b\u5716..<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/hpcgoblog.wordpress.com\/wp-content\/uploads\/2016\/12\/c03_big_sound.png\" alt=\"\" class=\"wp-image-801\"\/><figcaption class=\"wp-element-caption\"> <br>\u9ad8\u611f\u5ea6\u8072\u97f3\u611f\u6e2c\u5668 <br>(Big Sound Sensor) <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"180\" src=\"https:\/\/hpcgoblog.wordpress.com\/wp-content\/uploads\/2016\/12\/c04_small_sound.jpg\" alt=\"\" class=\"wp-image-802\"\/><figcaption class=\"wp-element-caption\">\u4f4e\u611f\u5ea6\u8072\u97f3\u611f\u6e2c\u5668<br>(Small Sound Sensor)<\/figcaption><\/figure>\n\n\n\n<p>\u672c\u7a0b\u5f0f\u7bc4\u4f8b\u662f\u85c9\u7531\u62cd\u624b\u4f86\u958b\u555f\u6216\u95dc\u9589\u96fb\u71c8\uff0c\u4e5f\u5c31\u662f\u4e00\u822c\u61c9\u7528\u7684\u8072\u63a7\u958b\u95dc\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u96f6\u4ef6\u8868\u3011<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>No.<\/strong><\/td><td><strong>\u96f6\u4ef6\u540d\u7a31<\/strong><\/td><td><strong>\u6578\u91cf<\/strong><\/td><\/tr><tr><td><strong>1<\/strong><\/td><td>LCD1602_I2C<\/td><td>1<\/td><\/tr><tr><td><strong>2<\/strong><\/td><td>Relay<\/td><td>1<\/td><\/tr><tr><td><b>3<\/b><\/td><td>\u8072\u97f3\u611f\u6e2c\u5668<\/td><td>1<\/td><\/tr><tr><td><strong>4<\/strong><\/td><td>\u96fb\u6e90\u5ef6\u9577\u7dda\uff0c\u96fb\u71c8(\u6216\u53f0\u71c8)<\/td><td>1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u96f6\u4ef6\u63a5\u8173\u3011<\/h3>\n\n\n\n<p>\u8acb\u53c3\u8003 \u300c<a href=\"https:\/\/cfnavi.org\/aitech\/lcd1602_i2c-%e9%a1%af%e7%a4%ba%e5%99%a8\/\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">LCD1602_I2C \u986f\u793a\u5668<\/a>\u300d \u63a5\u8173\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>No.<\/strong><\/td><td><strong>\u96f6\u4ef6\u63a5\u8173<\/strong><\/td><td><strong>UNO R3 \u63a5\u8173<\/strong><\/td><\/tr><tr><td>1<\/td><td>\u9ad8\u611f\u5ea6\u8072\u97f3\u611f\u6e2c\u5668\uff1aA0 \/ OUT<\/td><td>&nbsp;A0<\/td><\/tr><tr><td>2<\/td><td>\u9ad8\u611f\u5ea6\u8072\u97f3\u611f\u6e2c\u5668\uff1aG \/ GND<\/td><td>&nbsp;GND<\/td><\/tr><tr><td>3<\/td><td>\u9ad8\u611f\u5ea6\u8072\u97f3\u611f\u6e2c\u5668\uff1a+ \/ Vcc<\/td><td>&nbsp;5V<\/td><\/tr><tr><td>4<\/td><td>&nbsp;Relay : &#8211;<\/td><td>GND<\/td><\/tr><tr><td>5<\/td><td>&nbsp;Relay\uff1a+<\/td><td>5V<\/td><\/tr><tr><td>6<\/td><td>&nbsp;Relay\uff1aS<\/td><td>D3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u6309\u7dda\u5716\u3011<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1932\" height=\"1458\" src=\"https:\/\/hpcgoblog.wordpress.com\/wp-content\/uploads\/2016\/12\/s03_microphone-1.png?w=1024\" alt=\"\" class=\"wp-image-1161\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u3010\u7a0b\u5f0f\u78bc\u3011<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/*\n * \u793a\u7bc4\u9ea5\u514b\u98a8\u6a21\u7d44 (Microphone Module) \u7684\u61c9\u7528\n * \u5229\u7528\u9ea5\u514b\u98a8\u6a21\u7d44\u63a5\u6536\u74b0\u5883\u8072\u97f3\uff0c\u7576\u97f3\u91cf\u8d85\u904e\u8a2d\u5b9a\u503c\u6642\uff0c\n * \u85c9\u7531 5V \u7684\u7e7c\u96fb\u5668\u958b\u95dc\u96fb\u71c8\u3002\n *\/\n\n\/\/ \u4f7f\u7528 LCD1602 I2C \u986f\u793a\u5668\u986f\u793a\u7d50\u679c\n\/\/ \u5b9a\u7fa9 LCD \u5143\u4ef6(\u4f4d\u7f6e 0x27 \u53ca 16x2 \u7684\u986f\u793a)\n#include &lt;LiquidCrystal_I2C.h&gt;\nLiquidCrystal_I2C lcd(0x27,16,2); \nconst byte ON = HIGH;             \/\/ \u5b9a\u7fa9 ON \u7684\u503c\u70ba HIGH\nconst byte OFF = LOW;             \/\/ \u5b9a\u7fa9 OFF \u7684\u503c\u70ba LOW\nbyte relayPin = 3;                \/\/ \u5b9a\u7fa9\u7e7c\u96fb\u5668\u63a5\u8173\nbyte sensorA0Pin = A0;            \/\/ \u5b9a\u7fa9\u8072\u97f3\u611f\u6e2c\u5668\u7684\u63a5\u6536\u8173\u4f4d\nbyte sensorA0Value = 0;           \/\/ \u5132\u5b58\u8072\u97f3\u611f\u6e2c\u5668\u7684\u503c\nbyte triggerValue = 50;           \/\/ \u8a2d\u5b9a\u89f8\u767c\u503c\nbyte lightStatus = OFF;           \/\/ \u5132\u5b58\u71c8\u958b\u555f\u7684\u72c0\u614b\n\n\/\/ \u7a0b\u5f0f\u521d\u5316\u8a2d\u5b9a\nvoid setup () \n{\n  lcd.begin();                    \/\/ \u958b\u555f LCD \u5143\u4ef6\n  lcd.backlight();                \/\/ \u958b\u555f LCD \u80cc\u5149\n  pinMode (relayPin, OUTPUT);     \/\/ \u8a2d\u5b9a LED \u70ba\u8f38\u51fa\u6a21\u5f0f\n  detectTriggerValue();           \/\/ \u8a2d\u5b9a\u89f8\u767c\u503c\u70ba\u9031\u570d\u74b0\u5883 +10 \u7684\u97f3\u91cf\n}\n \n\/\/ \u4e3b\u7a0b\u5f0f\u8ff4\u5708\nvoid loop () \n{\n  sensorA0Value = analogRead(sensorA0Pin);      \/\/ \u8b80\u53d6\u8072\u97f3\u611f\u6e2c\u5668\u7684\u503c\n  if (sensorA0Value &gt; triggerValue) {           \/\/ \u7576\u97f3\u91cf\u8d85\u904e\u89f8\u767c\u503c\u958b\u95dc\u96fb\u71c8\n    displayValue(sensorA0Value);                  \/\/ \u986f\u793a\u97f3\u611f\u6e2c\u5668\u7684\u503c\n    if (lightStatus == ON) {                    \/\/ \u4f9d\u96fb\u71c8\u958b\u95dc\u7684\u72c0\u614b\u5207\u63db\n      digitalWrite (relayPin, LOW);             \/\/ \u95dc\u9589\u96fb\u71c8\n      lightStatus = OFF;                        \/\/ \u8a2d\u5b9a\u96fb\u71c8\u72c0\u614b\u70ba\u95dc\n    } else {\n      digitalWrite (relayPin, HIGH);            \/\/ \u958b\u555f\u96fb\u71c8\n      lightStatus = ON;                         \/\/ \u8a2d\u5b9a\u96fb\u71c8\u72c0\u614b\u70ba\u95dc\n    }\n    delay(1000);                                \/\/ \u66ab\u505c\u4e00\u79d2\n  }\n}\n\n\/\/ \u5075\u6e2c\u9031\u906d\u7684\u74b0\u5883\uff0c+10 \u8a2d\u70ba\u89f8\u767c\u958b\u95dc\u7684\u503c\nint detectTriggerValue() {\n  int detectTime = millis();                   \/\/ \u5132\u5b58\u5075\u6e2c\u7684\u6642\u9593\n  int detectValue = 0;                         \/\/ \u5132\u5b58\u5075\u6e2c\u7684\u97f3\u91cf\u503c\n  int maxValue = 0;                            \/\/ \u5132\u5b58\u97f3\u91cf\u7684\u6700\u5927\u503c\n\n  \/\/ \u5075\u6e2c\u4e09\u79d2\u9418\u53d6\u6700\u5927\u503c\u70ba\u9031\u906d\u7684\u503c\n  while (detectTime &lt; 3000) {\n    detectValue = analogRead (sensorA0Pin);    \/\/ \u8b80\u53d6\u97f3\u91cf\u503c\n    if (detectValue &gt; maxValue) {             \n      maxValue = detectValue;                  \/\/ \u8a2d\u5b9a\u97f3\u91cf\u7684\u6700\u5927\u503c\n    }\n    detectTime = millis();                     \/\/ \u5132\u5b58\u5075\u6e2c\u7684\u6642\u9593\n  }\n  triggerValue = maxValue + 10;                \/\/ +10 \u8a2d\u70ba\u89f8\u767c\u958b\u95dc\u7684\u503c\n  displayTriggerValue();                       \/\/ \u986f\u793a\u89f8\u767c\u7684\u503c\u65bc LCD\n}\n\n\/\/ \u986f\u793a\u8981\u89f8\u767c\u958b\u95dc\u7684\u503c\nvoid displayTriggerValue() {\n  lcd.setCursor(0, 0);                         \/\/ \u8a2d\u5b9a\u6e38\u6a19\u4f4d\u7f6e\n  lcd.print(\"Trigger: \");\n  lcd.print(triggerValue);                     \/\/ \u986f\u793a\u89f8\u767c\u958b\u95dc\u7684\u503c\n  lcd.print(\"    \");\n}\n\n\/\/ \u986f\u793a\u5075\u6e2c\u89f8\u767c\u7684\u503c\nvoid displayValue(int value) {\n  lcd.setCursor(0, 1);                         \/\/ \u8a2d\u5b9a\u6e38\u6a19\u4f4d\u7f6e\n  lcd.print(\"Value: \");\n  lcd.print(value);                            \/\/ \u986f\u793a\u5075\u6e2c\u8cc7\u6599\u7684\u503c\n  lcd.print(\"    \");\n}<\/code><\/pre>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-e26f9f2\" data-block-id=\"e26f9f2\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button is-style-ghost stk-block stk-ff653a6\" data-block-id=\"ff653a6\"><style>.stk-ff653a6 .stk-button{background:transparent !important;}.stk-ff653a6 .stk-button:hover:after{background:transparent !important;opacity:1 !important;}:where(.stk-hover-parent:hover,  .stk-hover-parent.stk--is-hovered) .stk-ff653a6 .stk-button:after{background:transparent !important;opacity:1 !important;}.stk-ff653a6 .stk-button:before{border-style:solid !important;}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/cfnavi.org\/aitech\/wp-content\/uploads\/2026\/01\/LiquidCrystal_I2C.zip\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">\u4e0b\u8f09\u7a0b\u5f0fl\u5eab<\/span><\/a><\/div>\n\n\n\n<div class=\"wp-block-stackable-button stk-block-button is-style-ghost stk-block stk-9a2d0b1\" data-block-id=\"9a2d0b1\"><style>.stk-9a2d0b1 .stk-button{background:transparent !important;}.stk-9a2d0b1 .stk-button:hover:after{background:transparent !important;opacity:1 !important;}:where(.stk-hover-parent:hover,  .stk-hover-parent.stk--is-hovered) .stk-9a2d0b1 .stk-button:after{background:transparent !important;opacity:1 !important;}.stk-9a2d0b1 .stk-button:before{border-style:solid !important;}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/cfnavi.org\/aitech\/wp-content\/uploads\/2026\/01\/S03_Microphone.zip\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-button__inner-text\">\u4e0b\u8f09\u7a0b\u5f0f\u78bc<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">&nbsp;\u203b &nbsp;\u5206\u4eab\u7d50\u675f &nbsp;\u203b<\/h3>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u8aaa\u660e\u3011 \u8072\u97f3\u611f\u6e2c\u5668\u53ef\u4ee5\u5075\u6e2c\u97f3\u91cf\u7684\u5927\u5c0f\uff0c\u540c\u6642\u53ef\u4ee5\u8f38\u51fa\u6578\u4f4d\u53ca\u985e\u6bd4\u7684\u503c\uff0c\u5b83\u7684\u61c9\u7528\u53ef\u4ee5\u85c9\u7531\u62cd\u624b\u4f86\u958b\u95dc\u8a2d\u5099\uff0c\u82e5\u642d\u914d\u7e7c\u96fb [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[86],"tags":[94,97,98,99,101],"class_list":["post-709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino","tag-button","tag-lcd","tag-led","tag-sensor","tag-switch"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>S03\/04_Sound(\u8072\u97f3\u611f\u6e2c\u5668) - \u4e58\u8c50\u9818\u822a-\uff21\uff29\u79d1\u6280<\/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:\/\/cfnavi.org\/aitech\/\u8072\u97f3\u611f\u6e2c\u5668s03_big_sound\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S03\/04_Sound(\u8072\u97f3\u611f\u6e2c\u5668) - \u4e58\u8c50\u9818\u822a-\uff21\uff29\u79d1\u6280\" \/>\n<meta property=\"og:description\" content=\"\u3010\u8aaa\u660e\u3011 \u8072\u97f3\u611f\u6e2c\u5668\u53ef\u4ee5\u5075\u6e2c\u97f3\u91cf\u7684\u5927\u5c0f\uff0c\u540c\u6642\u53ef\u4ee5\u8f38\u51fa\u6578\u4f4d\u53ca\u985e\u6bd4\u7684\u503c\uff0c\u5b83\u7684\u61c9\u7528\u53ef\u4ee5\u85c9\u7531\u62cd\u624b\u4f86\u958b\u95dc\u8a2d\u5099\uff0c\u82e5\u642d\u914d\u7e7c\u96fb [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cfnavi.org\/aitech\/\u8072\u97f3\u611f\u6e2c\u5668s03_big_sound\/\" \/>\n<meta property=\"og:site_name\" content=\"\u4e58\u8c50\u9818\u822a-\uff21\uff29\u79d1\u6280\" \/>\n<meta property=\"article:published_time\" content=\"2016-12-10T12:23:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-13T02:11:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cfnavi.org\/aitech\/wp-content\/uploads\/2016\/12\/banner_s03_big_sound_1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" 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