{"id":663,"date":"2016-12-10T13:16:15","date_gmt":"2016-12-10T05:16:15","guid":{"rendered":"https:\/\/hpcgoblog.wordpress.com\/?p=663"},"modified":"2026-01-13T10:12:01","modified_gmt":"2026-01-13T02:12:01","slug":"%e7%b9%bc%e9%9b%bb%e5%99%a8s02_relay","status":"publish","type":"post","link":"https:\/\/cfnavi.org\/aitech\/%e7%b9%bc%e9%9b%bb%e5%99%a8s02_relay\/","title":{"rendered":"S02_Relay(\u7e7c\u96fb\u5668)"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u3010\u8aaa\u660e\u3011<\/h3>\n\n\n\n<p>\u7e7c\u96fb\u5668(Relay)\u662f\u5229\u7528\u4f4e\u96fb\u58d3\u63a7\u5236\u9ad8\u96fb\u58d3\u7684\u61c9\u7528\u6a21\u7d44\uff0c\u56e0\u70ba\u5b83\u662f\u4e00\u7a2e\u5b89\u5168\u7684\u958b\u95dc\u64cd\u4f5c\u65b9\u5f0f\uff0c\u901a\u5e38\u88ab\u7528\u65bc\u5bb6\u4e2d\u958b\u95dc\u9ad8\u96fb\u58d3\u7684\u8a2d\u5099\uff0c\u5982\u53ef\u4ee5\u4f7f\u7528 5V \u7684\u7e7c\u96fb\u5668\u63a7\u5236 110V\u7684\u5bb6\u7528\u8a2d\u5099\u3002<\/p>\n\n\n\n<p>\u7e7c\u96fb\u5668(Relay)\u9069\u5408\u9023\u63a5\u65bc Arduino \u7684\u677f\u5b50\u4e0a\uff0c\u9700\u8981 5V \u7684\u96fb\u58d3\u4f9b\u61c9\uff0c\u5728\u6a21\u7d44\u677f\u4e0a\u7684 S \u8868\u793a\u8a0a\u865f\u7684\u63a7\u5236\u8f38\u5165\uff0c\u5b83\u8ca0\u8f09\u7684\u4ea4\u6d41\u96fb\u7bc4\u570d\u5f9e 10A \/ 30V \u5230 10A \/250V\u3002<\/p>\n\n\n\n<p>\u672c\u7a0b\u5f0f\u7bc4\u4f8b\u53ef\u61c9\u7528\u65bc\u67d0\u4e9b\u5834\u6240\u4e2d\u6295\u5e63\u8a08\u6642\u4f7f\u7528\u7684\u8a2d\u5099\uff0c\u5982\u6d77\u6c34\u6d74\u5834\u7684\u66f4\u8863\u5ba4\u4e2d\u653e\u4e86\u6295\u5e63\u5439\u98a8\u6a5f\uff0c\u7576\u6295\u5e63\u5f8c\u5c31\u958b\u555f\u96fb\u6e90\uff0c\u65bc\u4e00\u5206\u534a\u9418\u5f8c\u5c31\u95dc\u9589\u96fb\u6e90\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>\u6309\u9215<\/td><td>1<\/td><\/tr><tr><td><strong>4<\/strong><\/td><td>\u96fb\u6e90\u5ef6\u9577\u7dda\uff0c\u5439\u98a8\u6a5f(\u6216\u5176\u4ed6\u5bb6\u7528\u96fb\u5668)<\/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>&nbsp;\u6309\u9215\uff1a\u8173 1 (\u6309220\u03a9\u96fb\u7d44)<\/td><td>&nbsp;D2<\/td><\/tr><tr><td>2<\/td><td>&nbsp;\u6309\u9215\uff1a\u8173 2<\/td><td>&nbsp;5V<\/td><\/tr><tr><td>3<\/td><td>&nbsp;Relay : &#8211;<\/td><td>GND<\/td><\/tr><tr><td>4<\/td><td>&nbsp;Relay\uff1a+<\/td><td>5V<\/td><\/tr><tr><td>5<\/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=\"1968\" height=\"1461\" src=\"https:\/\/hpcgoblog.wordpress.com\/wp-content\/uploads\/2016\/12\/s02_relay-1.png?w=1024\" alt=\"\" class=\"wp-image-1163\"\/><\/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 KY019 5V \u7e7c\u96fb\u5668\u6a21\u7d44 (Relay Module)\n * \u85c9\u7531 Android \u677f\u5b50\u63a7\u5236 5V \u7684\u7e7c\u96fb\u5668\uff0c\n * \u958b\u555f 110V \u96fb\u5668\u8a2d\u5099(\u5982\u5439\u98a8\u6a5f)\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);  \n\n\/\/ \u5b9a\u7fa9\u6416\u687f\u7684\u63a5\u8173\u53ca\u8cc7\u6599\u5132\u5b58\u8b8a\u6578\nconst byte btnPin = 2;            \/\/ \u5b9a\u7fa9\u626d\u9215\u63a5\u8173\u3002\nbyte btnValue = LOW;              \/\/ \u5132\u5b58\u6309\u9215\u7684\u72c0\u614b\u503c\nconst byte relayPin = 3;          \/\/ \u5b9a\u7fa9\u7e7c\u96fb\u5668\u63a5\u8173\u3002\nint delayTime = 90;               \/\/ \u6301\u7e8c\u958b\u555f\u8a2d\u5099\u7684\u79d2\u6578\nint timeCounter = 0;\n\n\/\/ \u7a0b\u5f0f\u521d\u5316\u8a2d\u5b9a\nvoid setup() {\n  lcd.begin();                    \/\/ \u958b\u555f LCD \u5143\u4ef6\n  lcd.backlight();                \/\/ \u958b\u555f LCD \u80cc\u5149\n  displayStatus();                \/\/ \u521d\u59cb\u5316 LCD\n  pinMode(relayPin, OUTPUT);      \/\/ \u8a2d\u5b9a\u7e7c\u96fb\u5668\u8173\u4f4d\u70ba\u8f38\u51fa\u6a21\u5f0f\n  pinMode(btnPin, INPUT);         \/\/ \u8a2d\u5b9a\u6309\u9215\u8173\u4f4d\u70ba\u8f38\u5165\u6a21\u5f0f\n}\n\n\/\/ \u4e3b\u7a0b\u5f0f\u8ff4\u5708 \nvoid loop() {\n  btnValue = digitalRead(btnPin); \/\/ \u53d6\u5f97\u6309\u9215\u7684\u503c\n  if (btnValue == HIGH) {         \/\/ \u6309\u9215\u88ab\u6309\u4e0b\n    digitalWrite(relayPin, HIGH); \/\/ \u958b\u555f\u7e7c\u96fb\u5668\n    reset_millis();               \/\/ \u91cd\u8a2d\u6642\u9593\u505a\u70ba\u958b\u59cb\u8a08\u6642\n    while (timeCounter &lt; delayTime) { \/\/ \u6301\u7e8c\u958b\u555f\n      displayStatus();            \/\/ \u986f\u793a\u79d2\u6578\u8cc7\u6599\u7684\u503c\n      timeCounter = int(millis() \/ 1000); \/\/ \u53d6\u5f97\u6301\u7e8c\u79d2\u6578\n    }\n    digitalWrite(relayPin, LOW);  \/\/ \u95dc\u9589\u7e7c\u96fb\u5668\n    timeCounter = 0;              \/\/ \u91cd\u8a2d\u8a08\u6642\u5668\n    displayStatus();              \/\/ \u986f\u793a\u79d2\u6578\u8cc7\u6599\u7684\u503c\n  }\n}\n\n\/\/ \u986f\u793a\u79d2\u6578\u8cc7\u6599\u7684\u503c\nvoid displayStatus() {\n  lcd.setCursor(0,0);\n  lcd.print(\"Timer: \");\n  lcd.print(delayTime-timeCounter);\n  lcd.print(\" sec.   \");\n}\n\n\/\/ \u91cd\u8a2d millis() \nvoid reset_millis() {\n  extern volatile unsigned long timer0_millis, timer0_overflow_count;\n  noInterrupts();\n  timer0_millis = timer0_overflow_count = 0;\n  interrupts();  \n}<\/code><\/pre>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-a39f535\" data-block-id=\"a39f535\"><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-e1226bd\" data-block-id=\"e1226bd\"><style>.stk-e1226bd .stk-button{background:transparent !important;}.stk-e1226bd .stk-button:hover:after{background:transparent !important;opacity:1 !important;}:where(.stk-hover-parent:hover,  .stk-hover-parent.stk--is-hovered) .stk-e1226bd .stk-button:after{background:transparent !important;opacity:1 !important;}.stk-e1226bd .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\u5f0f\u5eab<\/span><\/a><\/div>\n\n\n\n<div class=\"wp-block-stackable-button stk-block-button is-style-ghost stk-block stk-f7c7360\" data-block-id=\"f7c7360\"><style>.stk-f7c7360 .stk-button{background:transparent !important;}.stk-f7c7360 .stk-button:hover:after{background:transparent !important;opacity:1 !important;}:where(.stk-hover-parent:hover,  .stk-hover-parent.stk--is-hovered) .stk-f7c7360 .stk-button:after{background:transparent !important;opacity:1 !important;}.stk-f7c7360 .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\/S02_Relay.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 \u7e7c\u96fb\u5668(Relay)\u662f\u5229\u7528\u4f4e\u96fb\u58d3\u63a7\u5236\u9ad8\u96fb\u58d3\u7684\u61c9\u7528\u6a21\u7d44\uff0c\u56e0\u70ba\u5b83\u662f\u4e00\u7a2e\u5b89\u5168\u7684\u958b\u95dc\u64cd\u4f5c\u65b9\u5f0f\uff0c\u901a\u5e38\u88ab\u7528\u65bc\u5bb6\u4e2d [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":664,"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":[93,94,97,99,101],"class_list":["post-663","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino","tag-bt","tag-button","tag-lcd","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>S02_Relay(\u7e7c\u96fb\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\/\u7e7c\u96fb\u5668s02_relay\/\" \/>\n<meta property=\"og:locale\" content=\"zh_TW\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S02_Relay(\u7e7c\u96fb\u5668) - \u4e58\u8c50\u9818\u822a-\uff21\uff29\u79d1\u6280\" \/>\n<meta property=\"og:description\" content=\"\u3010\u8aaa\u660e\u3011 \u7e7c\u96fb\u5668(Relay)\u662f\u5229\u7528\u4f4e\u96fb\u58d3\u63a7\u5236\u9ad8\u96fb\u58d3\u7684\u61c9\u7528\u6a21\u7d44\uff0c\u56e0\u70ba\u5b83\u662f\u4e00\u7a2e\u5b89\u5168\u7684\u958b\u95dc\u64cd\u4f5c\u65b9\u5f0f\uff0c\u901a\u5e38\u88ab\u7528\u65bc\u5bb6\u4e2d [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cfnavi.org\/aitech\/\u7e7c\u96fb\u5668s02_relay\/\" \/>\n<meta property=\"og:site_name\" content=\"\u4e58\u8c50\u9818\u822a-\uff21\uff29\u79d1\u6280\" \/>\n<meta property=\"article:published_time\" content=\"2016-12-10T05:16:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-13T02:12:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cfnavi.org\/aitech\/wp-content\/uploads\/2016\/12\/banner_s02_relay.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\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u4e58\u8c50\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005:\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u4e58\u8c50\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9810\u4f30\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" 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