{"id":98695,"date":"2026-09-01T10:25:04","date_gmt":"2026-09-01T02:25:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/98695.html"},"modified":"2026-09-01T10:25:04","modified_gmt":"2026-09-01T02:25:04","slug":"%e7%bb%a7%e7%94%b5%e5%99%a8%e6%a8%a1%e5%9d%97-%e8%ae%a9-arduino-%e6%8e%a7%e5%88%b6-220v-%e7%94%b5%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/98695.html","title":{"rendered":"\u7ee7\u7535\u5668\u6a21\u5757\u2014\u2014\u8ba9 Arduino \u63a7\u5236 220V \u7535\u5668"},"content":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u524d\u9762\u6211\u4eec\u5b66\u4e86\u8235\u673a\u3001\u8d85\u58f0\u6ce2\u3001\u7ea2\u5916\u9065\u63a7\u3001OLED \u663e\u793a\u5c4f\u3001\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668&#xff0c;Arduino \u5df2\u7ecf\u80fd&#034;\u52a8&#034;\u3001\u80fd&#034;\u770b&#034;\u3001\u80fd&#034;\u9065\u63a7&#034;\u3001\u80fd&#034;\u663e\u793a&#034;\u3001\u80fd&#034;\u611f\u77e5\u73af\u5883&#034;\u4e86\u3002\u4f46\u6709\u4e00\u4e2a\u9886\u57df\u6211\u4eec\u4e00\u76f4\u6ca1\u78b0\u2014\u2014\u63a7\u5236\u5f3a\u7535\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5230\u76ee\u524d\u4e3a\u6b62&#xff0c;Arduino \u53ea\u80fd\u63a7\u5236 LED\u3001\u8702\u9e23\u5668\u3001\u8235\u673a\u8fd9\u4e9b\u5c0f\u529f\u7387\u5143\u4ef6\u3002\u5982\u679c\u4f60\u60f3\u7528\u5b83\u63a7\u5236\u4e00\u76cf\u53f0\u706f\u3001\u4e00\u4e2a\u98ce\u6247\u3001\u4e00\u4e2a\u52a0\u70ed\u5668&#xff0c;\u8be5\u600e\u4e48\u529e&#xff1f;<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4eca\u5929\u8fd9\u7bc7&#xff0c;\u6211\u4eec\u8981\u5b66\u4e60\u7ee7\u7535\u5668\u6a21\u5757\u2014\u2014\u5b83\u662f Arduino \u548c 220V \u7535\u5668\u4e4b\u95f4\u7684&#034;\u6865\u6881&#034;&#xff0c;\u8ba9 Arduino \u80fd\u591f\u5b89\u5168\u5730\u5f00\u5173\u4ea4\u6d41\u7535\u5668&#xff0c;\u5b9e\u73b0\u667a\u80fd\u5bb6\u5c45\u7684\u96cf\u5f62\u3002<\/p>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5b66\u5b8c\u8fd9\u7bc7&#xff0c;\u4f60\u4f1a\u5b8c\u6210\u4e09\u4e2a\u9879\u76ee&#xff1a;<\/p>\n<ul>\n<li>\u57fa\u7840\u63a7\u5236&#xff1a;\u7528 Arduino \u63a7\u5236\u7ee7\u7535\u5668\u5f00\u5173<\/li>\n<li>\u5b9a\u65f6\u5f00\u5173&#xff1a;\u5b9e\u73b0\u5b9a\u65f6\u81ea\u52a8\u5f00\u5173\u706f<\/li>\n<li>\u7efc\u5408\u9879\u76ee&#xff1a;\u667a\u80fd\u6e29\u63a7\u98ce\u6247&#xff1a;DHT11 \u68c0\u6d4b\u6e29\u5ea6&#xff0c;\u8d85\u8fc7\u9608\u503c\u81ea\u52a8\u5f00\u542f\u98ce\u6247<\/li>\n<\/ul>\n<p>\ufe0f\u00a0\u5b89\u5168\u8b66\u544a&#xff1a;\u672c\u7bc7\u6d89\u53ca 220V \u4ea4\u6d41\u7535&#xff0c;\u64cd\u4f5c\u4e0d\u5f53\u6709\u89e6\u7535\u5371\u9669\u3002\u8bf7\u52a1\u5fc5\u5728\u65ad\u7535\u72b6\u6001\u4e0b\u63a5\u7ebf&#xff0c;\u901a\u7535\u540e\u4e0d\u8981\u89e6\u6478\u88f8\u9732\u7684\u5bfc\u7ebf\u548c\u7ee7\u7535\u5668\u7aef\u5b50\u3002\u521d\u5b66\u8005\u5efa\u8bae\u5728\u6709\u4eba\u6307\u5bfc\u7684\u60c5\u51b5\u4e0b\u64cd\u4f5c&#xff0c;\u6216\u4f7f\u7528\u4f4e\u538b\u76f4\u6d41\u8d1f\u8f7d&#xff08;\u5982 12V \u706f\u5e26&#xff09;\u4ee3\u66ff 220V \u8fdb\u884c\u7ec3\u4e60\u3002<\/p>\n<hr \/>\n<h4>\u4e00\u3001\u7ee7\u7535\u5668\u662f\u4ec0\u4e48&#xff1f;<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7ee7\u7535\u5668\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u7535\u5b50\u5f00\u5173\u3002\u5b83\u7528\u4e00\u4e2a\u5c0f\u7535\u6d41&#xff08;Arduino \u7684 5V \u4fe1\u53f7&#xff09;\u53bb\u63a7\u5236\u4e00\u4e2a\u5927\u7535\u6d41&#xff08;220V \u4ea4\u6d41\u7535&#xff09;\u7684\u901a\u65ad\u3002<\/p>\n<h5>\u5de5\u4f5c\u539f\u7406<\/h5>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7ee7\u7535\u5668\u5185\u90e8\u6709\u4e00\u4e2a\u7535\u78c1\u94c1\u548c\u4e00\u7ec4\u89e6\u70b9&#xff1a;<\/p>\n<li>Arduino \u7ed9\u7ee7\u7535\u5668\u7684\u7ebf\u5708\u901a\u7535&#xff08;\u5c0f\u7535\u6d41&#xff09;<\/li>\n<li>\u7535\u78c1\u94c1\u4ea7\u751f\u78c1\u529b&#xff0c;\u5438\u5408\u89e6\u70b9<\/li>\n<li>\u89e6\u70b9\u95ed\u5408&#xff0c;\u5927\u7535\u6d41\u7535\u8def\u5bfc\u901a<\/li>\n<li>Arduino \u65ad\u5f00\u4fe1\u53f7&#xff0c;\u7535\u78c1\u94c1\u5931\u78c1&#xff0c;\u89e6\u70b9\u5f39\u5f00&#xff0c;\u5927\u7535\u6d41\u7535\u8def\u65ad\u5f00<\/li>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7b80\u5355\u8bf4&#xff1a;Arduino \u7684 5V \u4fe1\u53f7 \u2192 \u63a7\u5236\u7535\u78c1\u94c1 \u2192 \u7535\u78c1\u94c1\u63a7\u5236 220V \u7535\u8def\u7684\u901a\u65ad\u3002<\/p>\n<h5>\u7ee7\u7535\u5668\u7684\u5173\u952e\u53c2\u6570<\/h5>\n<table>\n<tr>\u53c2\u6570\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>\u63a7\u5236\u7535\u538b<\/td>\n<td>5V&#xff08;Arduino \u53ef\u76f4\u63a5\u9a71\u52a8&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u89e6\u70b9\u989d\u5b9a\u7535\u6d41<\/td>\n<td>\u901a\u5e38 10A<\/td>\n<\/tr>\n<tr>\n<td>\u89e6\u70b9\u989d\u5b9a\u7535\u538b<\/td>\n<td>250V AC \/ 30V DC<\/td>\n<\/tr>\n<tr>\n<td>\u89e6\u70b9\u7c7b\u578b<\/td>\n<td>\u5e38\u5f00&#xff08;NO&#xff09;\u3001\u5e38\u95ed&#xff08;NC&#xff09;\u3001\u516c\u5171\u7aef&#xff08;COM&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u5e38\u5f00\u4e0e\u5e38\u95ed<\/h5>\n<ul>\n<li>\u5e38\u5f00&#xff08;NO&#xff09;&#xff1a;\u7ee7\u7535\u5668\u672a\u901a\u7535\u65f6&#xff0c;NO \u548c COM \u4e4b\u95f4\u662f\u65ad\u5f00\u7684&#xff1b;\u901a\u7535\u540e\u95ed\u5408<\/li>\n<li>\u5e38\u95ed&#xff08;NC&#xff09;&#xff1a;\u7ee7\u7535\u5668\u672a\u901a\u7535\u65f6&#xff0c;NC \u548c COM \u4e4b\u95f4\u662f\u5bfc\u901a\u7684&#xff1b;\u901a\u7535\u540e\u65ad\u5f00<\/li>\n<li>\u516c\u5171\u7aef&#xff08;COM&#xff09;&#xff1a;\u516c\u5171\u7aef&#xff0c;\u548c NO \u6216 NC \u914d\u5408\u4f7f\u7528<\/li>\n<\/ul>\n<p>\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u6211\u4eec\u4f7f\u7528\u00a0COM &#043; NO\u00a0\u7ec4\u5408\u2014\u2014\u9ed8\u8ba4\u65ad\u5f00&#xff0c;Arduino \u7ed9\u4fe1\u53f7\u540e\u63a5\u901a\u3002<\/p>\n<hr \/>\n<h4>\u4e8c\u3001\u7ee7\u7535\u5668\u6a21\u5757<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u6211\u4eec\u4f7f\u7528\u7684\u662f\u00a05V \u5355\u8def\u7ee7\u7535\u5668\u6a21\u5757&#xff0c;\u5b83\u5df2\u7ecf\u96c6\u6210\u4e86\u9a71\u52a8\u7535\u8def&#xff0c;Arduino \u53ef\u4ee5\u76f4\u63a5\u63a7\u5236\u3002<\/p>\n<h5>\u6a21\u5757\u5f15\u811a<\/h5>\n<table>\n<tr>\u5f15\u811a\u63a5\u5230\u4f5c\u7528<\/tr>\n<tbody>\n<tr>\n<td>VCC<\/td>\n<td>5V<\/td>\n<td>\u6a21\u5757\u4f9b\u7535<\/td>\n<\/tr>\n<tr>\n<td>GND<\/td>\n<td>GND<\/td>\n<td>\u63a5\u5730<\/td>\n<\/tr>\n<tr>\n<td>IN<\/td>\n<td>D7<\/td>\n<td>\u63a7\u5236\u4fe1\u53f7&#xff08;HIGH \u6216 LOW \u89e6\u53d1&#xff0c;\u53d6\u51b3\u4e8e\u6a21\u5757&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u6a21\u5757\u4e0a\u7684\u8f93\u51fa\u7aef\u5b50<\/h5>\n<table>\n<tr>\u7aef\u5b50\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>COM<\/td>\n<td>\u516c\u5171\u7aef<\/td>\n<\/tr>\n<tr>\n<td>NO<\/td>\n<td>\u5e38\u5f00\u7aef<\/td>\n<\/tr>\n<tr>\n<td>NC<\/td>\n<td>\u5e38\u95ed\u7aef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e0d\u540c\u6a21\u5757\u7684\u89e6\u53d1\u65b9\u5f0f\u53ef\u80fd\u4e0d\u540c&#xff1a;\u6709\u7684\u662f\u00a0\u4f4e\u7535\u5e73\u89e6\u53d1&#xff08;IN \u63a5 LOW \u65f6\u7ee7\u7535\u5668\u5438\u5408&#xff09;&#xff0c;\u6709\u7684\u662f\u00a0\u9ad8\u7535\u5e73\u89e6\u53d1\u3002\u8d2d\u4e70\u524d\u8bf7\u786e\u8ba4&#xff0c;\u6216\u67e5\u770b\u6a21\u5757\u4e0a\u7684\u6807\u6ce8\u3002\u672c\u7bc7\u4ee5\u4f4e\u7535\u5e73\u89e6\u53d1\u4e3a\u4f8b\u3002<\/p>\n<hr \/>\n<h4>\u4e09\u3001\u786c\u4ef6\u6e05\u5355<\/h4>\n<table>\n<tr>\u5143\u4ef6\u6570\u91cf\u4f5c\u7528<\/tr>\n<tbody>\n<tr>\n<td>Arduino Uno<\/td>\n<td>1\u5757<\/td>\n<td>\u4e3b\u63a7\u677f<\/td>\n<\/tr>\n<tr>\n<td>5V \u7ee7\u7535\u5668\u6a21\u5757<\/td>\n<td>1\u4e2a<\/td>\n<td>\u63a7\u5236\u5f3a\u7535<\/td>\n<\/tr>\n<tr>\n<td>LED \u6216\u53f0\u706f<\/td>\n<td>1\u4e2a<\/td>\n<td>\u88ab\u63a7\u8d1f\u8f7d&#xff08;\u521d\u5b66\u5efa\u8bae\u7528 LED&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u675c\u90a6\u7ebf<\/td>\n<td>\u82e5\u5e72<\/td>\n<td>\u8fde\u63a5\u5143\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>220V \u7535\u6e90\u7ebf\u548c\u63d2\u5ea7<\/td>\n<td>1\u5957<\/td>\n<td>\u7efc\u5408\u9879\u76ee\u7528&#xff08;\u6ce8\u610f\u5b89\u5168&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>\u56db\u3001\u7535\u8def\u63a5\u7ebf<\/h4>\n<h5>\u63a7\u5236\u7aef\u63a5\u7ebf&#xff08;Arduino \u7ee7\u7535\u5668\u6a21\u5757&#xff09;<\/h5>\n<table>\n<tr>\u7ee7\u7535\u5668\u6a21\u5757Arduino<\/tr>\n<tbody>\n<tr>\n<td>VCC<\/td>\n<td>5V<\/td>\n<\/tr>\n<tr>\n<td>GND<\/td>\n<td>GND<\/td>\n<\/tr>\n<tr>\n<td>IN<\/td>\n<td>D7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u8d1f\u8f7d\u7aef\u63a5\u7ebf&#xff08;\u7ee7\u7535\u5668 \u8d1f\u8f7d&#xff09;<\/h5>\n<p>\u5b89\u5168\u7ec3\u4e60\u7248&#xff08;\u63a8\u8350\u521d\u5b66\u8005&#xff09;&#xff1a;\u7528 LED \u4ee3\u66ff 220V \u8d1f\u8f7d<\/p>\n<ul>\n<li>COM \u2192 \u63a5 LED \u6b63\u6781&#xff08;\u957f\u811a&#xff09;<\/li>\n<li>NO \u2192 \u63a5 5V&#xff08;\u901a\u8fc7\u9650\u6d41\u7535\u963b&#xff09;<\/li>\n<li>LED \u8d1f\u6781 \u2192 \u63a5 GND&#xff08;\u901a\u8fc7\u9650\u6d41\u7535\u963b&#xff09;<\/li>\n<\/ul>\n<p>220V \u5b9e\u6218\u7248&#xff08;\u6ce8\u610f\u5b89\u5168&#xff01;&#xff09;&#xff1a;\u63a7\u5236\u53f0\u706f<\/p>\n<ul>\n<li>\u5c06\u53f0\u706f\u7684\u7535\u6e90\u7ebf\u526a\u65ad&#xff08;\u6216\u62c6\u5f00\u63d2\u5934&#xff09;<\/li>\n<li>\u5176\u4e2d\u4e00\u6839\u7ebf&#xff08;\u706b\u7ebf&#xff09;\u65ad\u5f00&#xff0c;\u4e24\u7aef\u5206\u522b\u63a5 COM \u548c NO<\/li>\n<li>\u53e6\u4e00\u6839\u7ebf&#xff08;\u96f6\u7ebf&#xff09;\u4fdd\u6301\u8fde\u901a<\/li>\n<li>\u53f0\u706f\u63d2\u5934\u63d2\u5165 220V \u63d2\u5ea7<\/li>\n<\/ul>\n<p>\ufe0f\u00a0\u518d\u6b21\u5f3a\u8c03&#xff1a;220V \u63a5\u7ebf\u5fc5\u987b\u5728\u65ad\u7535\u72b6\u6001\u4e0b\u64cd\u4f5c&#xff01;\u63a5\u7ebf\u5b8c\u6210\u540e\u4ed4\u7ec6\u68c0\u67e5&#xff0c;\u786e\u8ba4\u65e0\u8bef\u540e\u518d\u901a\u7535\u3002\u4e0d\u8981\u89e6\u6478\u88f8\u9732\u7684\u91d1\u5c5e\u90e8\u5206\u3002<\/p>\n<hr \/>\n<h4>\u4e94\u3001\u5b9e\u9a8c\u4e00&#xff1a;\u57fa\u7840\u63a7\u5236<\/h4>\n<p>\u7528 Arduino \u63a7\u5236\u7ee7\u7535\u5668&#xff0c;\u6bcf\u9694 2 \u79d2\u5f00\u5173\u4e00\u6b21\u3002<\/p>\n<p>#define RELAY_PIN 7<\/p>\n<p>void setup() {<br \/>\n  Serial.begin(9600);<br \/>\n  pinMode(RELAY_PIN, OUTPUT);<\/p>\n<p>  \/\/ \u521d\u59cb\u72b6\u6001&#xff1a;\u65ad\u5f00&#xff08;\u4f4e\u7535\u5e73\u89e6\u53d1\u6a21\u5757&#xff0c;HIGH \u8868\u793a\u65ad\u5f00&#xff09;<br \/>\n  digitalWrite(RELAY_PIN, HIGH);<\/p>\n<p>  Serial.println(&#034;\u7ee7\u7535\u5668\u63a7\u5236\u6d4b\u8bd5&#034;);<br \/>\n}<\/p>\n<p>void loop() {<br \/>\n  \/\/ \u95ed\u5408\u7ee7\u7535\u5668&#xff08;\u4f4e\u7535\u5e73\u89e6\u53d1&#xff09;<br \/>\n  digitalWrite(RELAY_PIN, LOW);<br \/>\n  Serial.println(&#034;\u7ee7\u7535\u5668 ON&#034;);<br \/>\n  delay(2000);<\/p>\n<p>  \/\/ \u65ad\u5f00\u7ee7\u7535\u5668<br \/>\n  digitalWrite(RELAY_PIN, HIGH);<br \/>\n  Serial.println(&#034;\u7ee7\u7535\u5668 OFF&#034;);<br \/>\n  delay(2000);<br \/>\n} <\/p>\n<h5>\u4ee3\u7801\u89e3\u8bfb<\/h5>\n<ul>\n<li>digitalWrite(RELAY_PIN, LOW)&#xff1a;\u4f4e\u7535\u5e73\u89e6\u53d1&#xff0c;\u7ee7\u7535\u5668\u5438\u5408&#xff0c;COM \u548c NO \u5bfc\u901a<\/li>\n<li>digitalWrite(RELAY_PIN, HIGH)&#xff1a;\u9ad8\u7535\u5e73&#xff0c;\u7ee7\u7535\u5668\u91ca\u653e&#xff0c;COM \u548c NO \u65ad\u5f00<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u7684\u6a21\u5757\u662f\u9ad8\u7535\u5e73\u89e6\u53d1&#xff0c;\u628a LOW \u548c HIGH \u5bf9\u8c03\u5373\u53ef\u3002<\/p>\n<h5>\u6548\u679c<\/h5>\n<ul>\n<li>\u6bcf 2 \u79d2&#xff0c;\u4f60\u4f1a\u542c\u5230\u7ee7\u7535\u5668&#034;\u5494\u55d2&#034;\u4e00\u58f0&#xff0c;\u6a21\u5757\u4e0a\u7684\u6307\u793a\u706f\u4eae\u8d77&#xff0c;\u8d1f\u8f7d\u901a\u7535<\/li>\n<li>\u518d\u8fc7 2 \u79d2&#xff0c;&#034;\u5494\u55d2&#034;\u4e00\u58f0&#xff0c;\u6307\u793a\u706f\u706d&#xff0c;\u8d1f\u8f7d\u65ad\u7535<\/li>\n<\/ul>\n<hr \/>\n<h4>\u516d\u3001\u5b9e\u9a8c\u4e8c&#xff1a;\u5b9a\u65f6\u5f00\u5173\u706f<\/h4>\n<p>\u8ba9 Arduino \u5728\u6bcf\u5929\u7684\u7279\u5b9a\u65f6\u95f4\u6bb5\u81ea\u52a8\u5f00\u5173\u706f&#xff08;\u7528 millis \u6a21\u62df\u65f6\u95f4&#xff09;\u3002<\/p>\n<p>#define RELAY_PIN 7<\/p>\n<p>unsigned long lastCheck &#061; 0;<br \/>\nbool isOn &#061; false;<\/p>\n<p>\/\/ \u6a21\u62df\u65f6\u95f4&#xff08;\u5355\u4f4d&#xff1a;\u79d2&#xff0c;\u4ece 0 \u5f00\u59cb\u8ba1\u6570&#xff09;<br \/>\nunsigned long simulatedTime &#061; 0;<\/p>\n<p>\/\/ \u8bbe\u5b9a\u5f00\u5173\u65f6\u95f4&#xff08;\u79d2&#xff09;<br \/>\nconst unsigned long turnOnTime &#061; 10;   \/\/ \u7b2c 10 \u79d2\u5f00\u706f<br \/>\nconst unsigned long turnOffTime &#061; 20;  \/\/ \u7b2c 20 \u79d2\u5173\u706f<\/p>\n<p>void setup() {<br \/>\n  Serial.begin(9600);<br \/>\n  pinMode(RELAY_PIN, OUTPUT);<br \/>\n  digitalWrite(RELAY_PIN, HIGH);  \/\/ \u521d\u59cb\u65ad\u5f00<\/p>\n<p>  Serial.println(&#034;\u5b9a\u65f6\u5f00\u5173\u706f\u6d4b\u8bd5&#034;);<br \/>\n  Serial.print(&#034;\u5c06\u5728\u7b2c &#034;);<br \/>\n  Serial.print(turnOnTime);<br \/>\n  Serial.print(&#034; \u79d2\u5f00\u706f&#xff0c;\u7b2c &#034;);<br \/>\n  Serial.print(turnOffTime);<br \/>\n  Serial.println(&#034; \u79d2\u5173\u706f&#034;);<br \/>\n}<\/p>\n<p>void loop() {<br \/>\n  unsigned long currentMillis &#061; millis();<\/p>\n<p>  \/\/ \u6bcf 1 \u79d2\u66f4\u65b0\u4e00\u6b21<br \/>\n  if (currentMillis &#8211; lastCheck &gt;&#061; 1000) {<br \/>\n    lastCheck &#061; currentMillis;<br \/>\n    simulatedTime&#043;&#043;;<\/p>\n<p>    Serial.print(&#034;\u5f53\u524d\u65f6\u95f4: &#034;);<br \/>\n    Serial.print(simulatedTime);<br \/>\n    Serial.println(&#034; \u79d2&#034;);<\/p>\n<p>    \/\/ \u5230\u8fbe\u5f00\u706f\u65f6\u95f4<br \/>\n    if (simulatedTime &#061;&#061; turnOnTime &amp;&amp; !isOn) {<br \/>\n      digitalWrite(RELAY_PIN, LOW);<br \/>\n      isOn &#061; true;<br \/>\n      Serial.println(&#034;&gt;&gt;&gt; \u5f00\u706f&#xff01;&#034;);<br \/>\n    }<\/p>\n<p>    \/\/ \u5230\u8fbe\u5173\u706f\u65f6\u95f4<br \/>\n    if (simulatedTime &#061;&#061; turnOffTime &amp;&amp; isOn) {<br \/>\n      digitalWrite(RELAY_PIN, HIGH);<br \/>\n      isOn &#061; false;<br \/>\n      Serial.println(&#034;&gt;&gt;&gt; \u5173\u706f&#xff01;&#034;);<br \/>\n    }<\/p>\n<p>    \/\/ \u5faa\u73af\u91cd\u7f6e&#xff08;\u6bcf 30 \u79d2\u4e00\u8f6e&#xff09;<br \/>\n    if (simulatedTime &gt;&#061; 30) {<br \/>\n      simulatedTime &#061; 0;<br \/>\n      digitalWrite(RELAY_PIN, HIGH);<br \/>\n      isOn &#061; false;<br \/>\n      Serial.println(&#034;&#8212; \u65b0\u4e00\u8f6e\u5f00\u59cb &#8212;&#034;);<br \/>\n    }<br \/>\n  }<br \/>\n} <\/p>\n<h5>\u6548\u679c<\/h5>\n<ul>\n<li>\u6bcf 30 \u79d2\u4e3a\u4e00\u4e2a\u5468\u671f<\/li>\n<li>\u7b2c 10 \u79d2\u81ea\u52a8\u5f00\u706f&#xff0c;\u7b2c 20 \u79d2\u81ea\u52a8\u5173\u706f<\/li>\n<li>\u4e32\u53e3\u5b9e\u65f6\u6253\u5370\u5f53\u524d\u65f6\u95f4\u548c\u72b6\u6001<\/li>\n<\/ul>\n<p>\u8fd9\u4e2a\u903b\u8f91\u53ef\u4ee5\u6269\u5c55\u5230\u771f\u5b9e\u7684\u65f6\u95f4\u63a7\u5236\u2014\u2014\u914d\u5408 RTC \u65f6\u949f\u6a21\u5757&#xff0c;\u5c31\u80fd\u5b9e\u73b0\u771f\u6b63\u7684\u5b9a\u65f6\u5f00\u5173\u3002<\/p>\n<hr \/>\n<h4>\u4e03\u3001\u7efc\u5408\u9879\u76ee&#xff1a;\u667a\u80fd\u6e29\u63a7\u98ce\u6247<\/h4>\n<p>\u628a DHT11 \u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u548c\u7ee7\u7535\u5668\u7ed3\u5408\u8d77\u6765&#xff0c;\u505a\u4e00\u4e2a\u667a\u80fd\u6e29\u63a7\u98ce\u6247\u2014\u2014\u5f53\u6e29\u5ea6\u8d85\u8fc7\u8bbe\u5b9a\u9608\u503c\u65f6&#xff0c;\u81ea\u52a8\u5f00\u542f\u98ce\u6247&#xff1b;\u6e29\u5ea6\u964d\u4e0b\u6765\u540e\u81ea\u52a8\u5173\u95ed\u3002<\/p>\n<h5>\u786c\u4ef6\u6e05\u5355<\/h5>\n<table>\n<tr>\u5143\u4ef6\u6570\u91cf\u4f5c\u7528<\/tr>\n<tbody>\n<tr>\n<td>Arduino Uno<\/td>\n<td>1\u5757<\/td>\n<td>\u4e3b\u63a7\u677f<\/td>\n<\/tr>\n<tr>\n<td>DHT11 \u6e29\u6e7f\u5ea6\u4f20\u611f\u5668<\/td>\n<td>1\u4e2a<\/td>\n<td>\u68c0\u6d4b\u6e29\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>5V \u7ee7\u7535\u5668\u6a21\u5757<\/td>\n<td>1\u4e2a<\/td>\n<td>\u63a7\u5236\u98ce\u6247<\/td>\n<\/tr>\n<tr>\n<td>\u5c0f\u98ce\u6247&#xff08;5V USB \u98ce\u6247\u6216 12V \u98ce\u6247&#xff09;<\/td>\n<td>1\u4e2a<\/td>\n<td>\u88ab\u63a7\u8d1f\u8f7d<\/td>\n<\/tr>\n<tr>\n<td>OLED \u663e\u793a\u5c4f<\/td>\n<td>1\u4e2a<\/td>\n<td>\u663e\u793a\u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>\u9762\u5305\u677f &#043; \u675c\u90a6\u7ebf<\/td>\n<td>\u82e5\u5e72<\/td>\n<td>\u642d\u5efa\u7535\u8def<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u63a5\u7ebf<\/h5>\n<ul>\n<li>DHT11&#xff1a;DATA \u2192 D2&#xff0c;VCC \u2192 5V&#xff0c;GND \u2192 GND<\/li>\n<li>\u7ee7\u7535\u5668&#xff1a;IN \u2192 D7&#xff0c;VCC \u2192 5V&#xff0c;GND \u2192 GND<\/li>\n<li>OLED&#xff1a;SCL \u2192 A5&#xff0c;SDA \u2192 A4&#xff0c;VCC \u2192 5V&#xff0c;GND \u2192 GND<\/li>\n<li>\u98ce\u6247&#xff1a;\u7535\u6e90\u7ebf\u65ad\u5f00&#xff0c;\u706b\u7ebf\u63a5 COM \u548c NO&#xff08;\u5982\u679c\u662f 5V USB \u98ce\u6247&#xff0c;\u53ef\u4ee5\u7528\u7ee7\u7535\u5668\u63a7\u5236 USB \u7ebf\u7684\u6b63\u6781&#xff09;<\/li>\n<\/ul>\n<h5>\u4ee3\u7801<\/h5>\n<p>#include &lt;Wire.h&gt;<br \/>\n#include &lt;Adafruit_GFX.h&gt;<br \/>\n#include &lt;Adafruit_SSD1306.h&gt;<br \/>\n#include &lt;DHT.h&gt;<\/p>\n<p>\/\/ OLED \u53c2\u6570<br \/>\n#define SCREEN_WIDTH 128<br \/>\n#define SCREEN_HEIGHT 64<br \/>\n#define OLED_RESET -1<\/p>\n<p>\/\/ DHT11 \u53c2\u6570<br \/>\n#define DHTPIN 2<br \/>\n#define DHTTYPE DHT11<\/p>\n<p>\/\/ \u7ee7\u7535\u5668\u5f15\u811a<br \/>\n#define RELAY_PIN 7<\/p>\n<p>\/\/ \u6e29\u5ea6\u9608\u503c<br \/>\nconst float TEMP_THRESHOLD &#061; 28.0;  \/\/ \u8d85\u8fc7 28\u00b0C \u5f00\u542f\u98ce\u6247<\/p>\n<p>Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &amp;Wire, OLED_RESET);<br \/>\nDHT dht(DHTPIN, DHTTYPE);<\/p>\n<p>bool fanOn &#061; false;<\/p>\n<p>void setup() {<br \/>\n  Serial.begin(9600);<\/p>\n<p>  \/\/ \u521d\u59cb\u5316 OLED<br \/>\n  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {<br \/>\n    Serial.println(&#034;OLED \u521d\u59cb\u5316\u5931\u8d25&#xff01;&#034;);<br \/>\n    for (;;);<br \/>\n  }<\/p>\n<p>  \/\/ \u521d\u59cb\u5316 DHT11<br \/>\n  dht.begin();<\/p>\n<p>  \/\/ \u521d\u59cb\u5316\u7ee7\u7535\u5668<br \/>\n  pinMode(RELAY_PIN, OUTPUT);<br \/>\n  digitalWrite(RELAY_PIN, HIGH);  \/\/ \u521d\u59cb\u65ad\u5f00<\/p>\n<p>  \/\/ \u5f00\u673a\u753b\u9762<br \/>\n  display.clearDisplay();<br \/>\n  display.setTextSize(2);<br \/>\n  display.setCursor(5, 10);<br \/>\n  display.println(&#034;Smart Fan&#034;);<br \/>\n  display.setTextSize(1);<br \/>\n  display.setCursor(5, 40);<br \/>\n  display.print(&#034;Threshold: &#034;);<br \/>\n  display.print(TEMP_THRESHOLD, 1);<br \/>\n  display.print(&#034; C&#034;);<br \/>\n  display.display();<br \/>\n  delay(2000);<br \/>\n}<\/p>\n<p>void loop() {<br \/>\n  delay(2000);<\/p>\n<p>  \/\/ \u8bfb\u53d6\u6e29\u6e7f\u5ea6<br \/>\n  float humidity &#061; dht.readHumidity();<br \/>\n  float temperature &#061; dht.readTemperature();<\/p>\n<p>  if (isnan(humidity) || isnan(temperature)) {<br \/>\n    display.clearDisplay();<br \/>\n    display.setTextSize(1);<br \/>\n    display.setCursor(10, 25);<br \/>\n    display.println(&#034;Sensor Error!&#034;);<br \/>\n    display.display();<br \/>\n    return;<br \/>\n  }<\/p>\n<p>  \/\/ \u5224\u65ad\u662f\u5426\u9700\u8981\u5f00\u5173\u98ce\u6247<br \/>\n  if (temperature &gt;&#061; TEMP_THRESHOLD &amp;&amp; !fanOn) {<br \/>\n    digitalWrite(RELAY_PIN, LOW);  \/\/ \u4f4e\u7535\u5e73\u89e6\u53d1&#xff0c;\u5f00\u542f\u98ce\u6247<br \/>\n    fanOn &#061; true;<br \/>\n    Serial.println(&#034;&gt;&gt;&gt; \u6e29\u5ea6\u8fc7\u9ad8&#xff0c;\u5f00\u542f\u98ce\u6247&#034;);<br \/>\n  } else if (temperature &lt; TEMP_THRESHOLD &#8211; 1.0 &amp;&amp; fanOn) {<br \/>\n    digitalWrite(RELAY_PIN, HIGH);  \/\/ \u9ad8\u7535\u5e73&#xff0c;\u5173\u95ed\u98ce\u6247<br \/>\n    fanOn &#061; false;<br \/>\n    Serial.println(&#034;&gt;&gt;&gt; \u6e29\u5ea6\u6b63\u5e38&#xff0c;\u5173\u95ed\u98ce\u6247&#034;);<br \/>\n  }<br \/>\n  \/\/ \u6ce8\u610f&#xff1a;\u5173\u95ed\u9608\u503c\u6bd4\u5f00\u542f\u9608\u503c\u4f4e 1\u00b0C&#xff0c;\u9632\u6b62\u6e29\u5ea6\u5728\u9608\u503c\u9644\u8fd1\u6ce2\u52a8\u65f6\u9891\u7e41\u5f00\u5173<\/p>\n<p>  \/\/ \u66f4\u65b0 OLED \u663e\u793a<br \/>\n  display.clearDisplay();<\/p>\n<p>  \/\/ \u6807\u9898\u680f<br \/>\n  display.fillRect(0, 0, 128, 14, SSD1306_WHITE);<br \/>\n  display.setTextSize(1);<br \/>\n  display.setTextColor(SSD1306_BLACK);<br \/>\n  display.setCursor(20, 3);<br \/>\n  display.println(&#034;Smart Fan Control&#034;);<\/p>\n<p>  \/\/ \u6e29\u5ea6\u663e\u793a<br \/>\n  display.setTextColor(SSD1306_WHITE);<br \/>\n  display.setTextSize(1);<br \/>\n  display.setCursor(5, 18);<br \/>\n  display.println(&#034;Temperature:&#034;);<\/p>\n<p>  display.setTextSize(2);<br \/>\n  display.setCursor(5, 28);<br \/>\n  display.print(temperature, 1);<br \/>\n  display.setTextSize(1);<br \/>\n  display.print(&#034; C&#034;);<\/p>\n<p>  \/\/ \u6e7f\u5ea6\u663e\u793a<br \/>\n  display.setCursor(70, 18);<br \/>\n  display.println(&#034;Humidity:&#034;);<\/p>\n<p>  display.setTextSize(2);<br \/>\n  display.setCursor(70, 28);<br \/>\n  display.print(humidity, 0);<br \/>\n  display.setTextSize(1);<br \/>\n  display.print(&#034; %&#034;);<\/p>\n<p>  \/\/ \u5206\u9694\u7ebf<br \/>\n  display.drawLine(0, 44, 128, 44, SSD1306_WHITE);<\/p>\n<p>  \/\/ \u98ce\u6247\u72b6\u6001<br \/>\n  display.setTextSize(1);<br \/>\n  display.setCursor(5, 48);<br \/>\n  display.print(&#034;Fan: &#034;);<\/p>\n<p>  if (fanOn) {<br \/>\n    display.setTextColor(SSD1306_WHITE);<br \/>\n    display.fillRect(40, 47, 50, 12, SSD1306_WHITE);<br \/>\n    display.setTextColor(SSD1306_BLACK);<br \/>\n    display.setCursor(45, 48);<br \/>\n    display.println(&#034;ON&#034;);<br \/>\n  } else {<br \/>\n    display.setTextColor(SSD1306_WHITE);<br \/>\n    display.setCursor(40, 48);<br \/>\n    display.println(&#034;OFF&#034;);<br \/>\n  }<\/p>\n<p>  \/\/ \u9608\u503c\u4fe1\u606f<br \/>\n  display.setCursor(5, 56);<br \/>\n  display.print(&#034;Threshold: &#034;);<br \/>\n  display.print(TEMP_THRESHOLD, 1);<br \/>\n  display.print(&#034; C&#034;);<\/p>\n<p>  display.display();<\/p>\n<p>  \/\/ \u4e32\u53e3\u8f93\u51fa<br \/>\n  Serial.print(&#034;T: &#034;);<br \/>\n  Serial.print(temperature, 1);<br \/>\n  Serial.print(&#034;C  H: &#034;);<br \/>\n  Serial.print(humidity, 0);<br \/>\n  Serial.print(&#034;%  Fan: &#034;);<br \/>\n  Serial.println(fanOn ? &#034;ON&#034; : &#034;OFF&#034;);<br \/>\n} <\/p>\n<h5>\u6548\u679c<\/h5>\n<ul>\n<li>\u5f00\u673a&#xff1a;\u663e\u793a &#034;Smart Fan Control&#034; \u542f\u52a8\u753b\u9762&#xff0c;\u663e\u793a\u6e29\u5ea6\u9608\u503c<\/li>\n<li>\u4e3b\u754c\u9762&#xff1a;\n<ul>\n<li>\u6e29\u5ea6\u3001\u6e7f\u5ea6\u5b9e\u65f6\u663e\u793a<\/li>\n<li>\u98ce\u6247\u72b6\u6001&#xff08;ON\/OFF&#xff09;<\/li>\n<li>\u5f53\u524d\u9608\u503c<\/li>\n<\/ul>\n<\/li>\n<li>\u81ea\u52a8\u63a7\u5236&#xff1a;\n<ul>\n<li>\u6e29\u5ea6 \u2265 28\u00b0C&#xff1a;\u81ea\u52a8\u5f00\u542f\u98ce\u6247<\/li>\n<li>\u6e29\u5ea6 &lt; 27\u00b0C&#xff1a;\u81ea\u52a8\u5173\u95ed\u98ce\u6247&#xff08;\u56de\u5dee 1\u00b0C&#xff0c;\u9632\u6b62\u9891\u7e41\u5f00\u5173&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u8fd9\u5c31\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u667a\u80fd\u6e29\u63a7\u98ce\u6247\u4e86\u2014\u2014\u4e0d\u9700\u8981\u4eba\u5e72\u9884&#xff0c;\u6e29\u5ea6\u9ad8\u4e86\u81ea\u52a8\u5f00&#xff0c;\u6e29\u5ea6\u964d\u4e86\u81ea\u52a8\u5173\u3002<\/p>\n<hr \/>\n<h4>\u516b\u3001\u7ee7\u7535\u5668\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/h4>\n<h5>\u5b89\u5168\u4e8b\u9879<\/h5>\n<ul>\n<li>\u65ad\u7535\u63a5\u7ebf&#xff1a;\u6d89\u53ca 220V \u65f6&#xff0c;\u52a1\u5fc5\u5728\u65ad\u7535\u72b6\u6001\u4e0b\u63a5\u7ebf<\/li>\n<li>\u7edd\u7f18\u4fdd\u62a4&#xff1a;\u63a5\u7ebf\u5b8c\u6210\u540e\u7528\u7edd\u7f18\u80f6\u5e26\u5305\u88f9\u88f8\u9732\u7684\u91d1\u5c5e\u90e8\u5206<\/li>\n<li>\u4e0d\u8981\u8d85\u8d1f\u8377&#xff1a;\u7ee7\u7535\u5668\u7684\u989d\u5b9a\u7535\u6d41\u901a\u5e38\u4e3a 10A&#xff0c;\u4e0d\u8981\u8d85\u8fc7<\/li>\n<li>\u8fdc\u79bb\u6c34\u6e90&#xff1a;\u7ee7\u7535\u5668\u548c 220V \u7535\u8def\u4e0d\u8981\u653e\u5728\u6f6e\u6e7f\u73af\u5883\u4e2d<\/li>\n<li>\u521d\u5b66\u8005\u5efa\u8bae&#xff1a;\u5148\u7528\u4f4e\u538b\u76f4\u6d41\u8d1f\u8f7d&#xff08;\u5982 12V \u706f\u5e26\u30015V \u98ce\u6247&#xff09;\u7ec3\u4e60&#xff0c;\u719f\u7ec3\u540e\u518d\u64cd\u4f5c 220V<\/li>\n<\/ul>\n<h5>\u7f16\u7a0b\u6ce8\u610f\u4e8b\u9879<\/h5>\n<ul>\n<li>\u786e\u8ba4\u89e6\u53d1\u65b9\u5f0f&#xff1a;\u4f4e\u7535\u5e73\u89e6\u53d1\u8fd8\u662f\u9ad8\u7535\u5e73\u89e6\u53d1&#xff0c;\u4e0d\u540c\u6a21\u5757\u53ef\u80fd\u4e0d\u540c<\/li>\n<li>\u521d\u59cb\u72b6\u6001&#xff1a;\u5728\u00a0setup()\u00a0\u4e2d\u8bbe\u7f6e\u7ee7\u7535\u5668\u7684\u521d\u59cb\u72b6\u6001&#xff0c;\u907f\u514d\u4e0a\u7535\u65f6\u610f\u5916\u5438\u5408<\/li>\n<li>\u56de\u5dee\u8bbe\u8ba1&#xff1a;\u5f00\u5173\u9608\u503c\u8bbe\u7f6e\u56de\u5dee&#xff08;\u5982\u5f00\u542f 28\u00b0C&#xff0c;\u5173\u95ed 27\u00b0C&#xff09;&#xff0c;\u9632\u6b62\u5728\u9608\u503c\u9644\u8fd1\u9891\u7e41\u5f00\u5173<\/li>\n<\/ul>\n<h5>\u7ee7\u7535\u5668&#034;\u5494\u55d2&#034;\u58f0<\/h5>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7ee7\u7535\u5668\u5438\u5408\u548c\u91ca\u653e\u65f6\u4f1a\u53d1\u51fa&#034;\u5494\u55d2&#034;\u58f0&#xff0c;\u8fd9\u662f\u6b63\u5e38\u7684\u673a\u68b0\u52a8\u4f5c\u3002\u5982\u679c\u9700\u8981\u9759\u97f3\u63a7\u5236&#xff0c;\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u56fa\u6001\u7ee7\u7535\u5668&#xff08;SSR&#xff09;&#xff0c;\u5b83\u6ca1\u6709\u673a\u68b0\u89e6\u70b9&#xff0c;\u5b8c\u5168\u9759\u97f3\u3002<\/p>\n<hr \/>\n<h4>\u4e5d\u3001\u672c\u7bc7\u5c0f\u7ed3<\/h4>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u56de\u987e\u4e00\u4e0b\u4eca\u5929\u5b66\u5230\u7684\u6838\u5fc3\u77e5\u8bc6&#xff1a;<\/p>\n<ul>\n<li>\u7ee7\u7535\u5668\u539f\u7406&#xff1a;\u7528\u5c0f\u7535\u6d41\u63a7\u5236\u5927\u7535\u6d41\u7684\u7535\u5b50\u5f00\u5173<\/li>\n<li>\u5e38\u5f00\u4e0e\u5e38\u95ed&#xff1a;COM &#043; NO&#xff08;\u9ed8\u8ba4\u65ad\u5f00&#xff09;\u548c COM &#043; NC&#xff08;\u9ed8\u8ba4\u5bfc\u901a&#xff09;<\/li>\n<li>\u4f4e\u7535\u5e73\u89e6\u53d1&#xff1a;\u5927\u591a\u6570\u6a21\u5757\u7528 LOW \u4fe1\u53f7\u5438\u5408\u7ee7\u7535\u5668<\/li>\n<li>\u57fa\u7840\u63a7\u5236&#xff1a;digitalWrite()\u00a0\u63a7\u5236\u7ee7\u7535\u5668\u5f00\u5173<\/li>\n<li>\u5b9a\u65f6\u63a7\u5236&#xff1a;\u7528\u00a0millis()\u00a0\u5b9e\u73b0\u5b9a\u65f6\u5f00\u5173<\/li>\n<li>\u7efc\u5408\u9879\u76ee&#xff1a;DHT11 &#043; \u7ee7\u7535\u5668 &#061; \u667a\u80fd\u6e29\u63a7\u98ce\u6247&#xff0c;\u5e26 OLED \u663e\u793a<\/li>\n<li>\u56de\u5dee\u8bbe\u8ba1&#xff1a;\u9632\u6b62\u5728\u9608\u503c\u9644\u8fd1\u9891\u7e41\u5f00\u5173<\/li>\n<\/ul>\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7ee7\u7535\u5668\u8ba9 Arduino \u5177\u5907\u4e86\u63a7\u5236\u5f3a\u7535\u7684\u80fd\u529b&#xff0c;\u662f\u667a\u80fd\u5bb6\u5c45\u3001\u81ea\u52a8\u5316\u63a7\u5236\u7684\u57fa\u7840\u3002\u4e0b\u4e00\u7bc7&#xff0c;\u6211\u4eec\u5b66\u4e60\u8702\u9e23\u5668\u6a21\u5757\u2014\u2014\u8ba9 Arduino \u53d1\u51fa\u58f0\u97f3&#xff0c;\u64ad\u653e\u65cb\u5f8b\u548c\u8b66\u62a5\u97f3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u9762\u6211\u4eec\u5b66\u4e86\u8235\u673a\u3001\u8d85\u58f0\u6ce2\u3001\u7ea2\u5916\u9065\u63a7\u3001OLED \u663e\u793a\u5c4f\u3001\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668&#xff0c;Arduino \u5df2\u7ecf\u80fd\\&#8221;\u52a8\\&#8221;\u3001\u80fd\\&#8221;\u770b\\&#8221;\u3001\u80fd\\&#8221;\u9065\u63a7\\&#8221;\u3001\u80fd\\&#8221;\u663e\u793a\\&#8221;\u3001\u80fd\\&#8221;\u611f\u77e5\u73af\u5883\\&#8221;\u4e86\u3002\u4f46\u6709\u4e00\u4e2a\u9886\u57df\u6211\u4eec\u4e00\u76f4\u6ca1\u78b0\u2014\u2014\u63a7\u5236\u5f3a\u7535\u3002 \u5230\u76ee\u524d\u4e3a\u6b62&#xff0c;Arduino \u53ea\u80fd\u63a7\u5236 LED\u3001\u8702\u9e23\u5668\u3001\u8235\u673a\u8fd9\u4e9b\u5c0f\u529f\u7387\u5143\u4ef6\u3002\u5982\u679c\u4f60\u60f3\u7528\u5b83\u63a7\u5236\u4e00\u76cf\u53f0\u706f\u3001\u4e00\u4e2a\u98ce\u6247\u3001\u4e00\u4e2a\u52a0\u70ed\u5668&#xff0c;\u8be5\u600e\u4e48\u529e&#xff1f; \u4eca\u5929\u8fd9\u7bc7&#xff0c;\u6211\u4eec\u8981\u5b66\u4e60\u7ee7\u7535\u5668\u6a21\u5757\u2014\u2014\u5b83\u662f Arduino \u548c 220V \u7535\u5668\u4e4b\u95f4\u7684\\&#8221;\u6865\u6881<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,217,270,269],"topic":[],"class_list":["post-98695","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-stm32","tag-270","tag-269"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7ee7\u7535\u5668\u6a21\u5757\u2014\u2014\u8ba9 Arduino \u63a7\u5236 220V \u7535\u5668 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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:\/\/www.wsisp.com\/helps\/98695.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" 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