{"id":23878,"date":"2023-08-17T00:00:39","date_gmt":"2023-08-16T16:00:39","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=23878"},"modified":"2026-05-19T15:10:40","modified_gmt":"2026-05-19T07:10:40","slug":"%e9%80%9a%e8%bf%87raspberry-pi%e9%97%aa%e7%83%81led%e9%a1%b9%e7%9b%ae%e5%ad%a6%e4%b9%a0%e6%ac%a7%e5%a7%86%e5%ae%9a%e5%be%8b%e3%80%81gpio%e5%92%8c%e6%99%b6%e4%bd%93%e7%ae%a1%e7%9f%a5%e8%af%86-2","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/tech-info\/raspberry\/raspberrypi_i01","title":{"rendered":"\u901a\u8fc7Raspberry Pi\u95ea\u70c1LED\u9879\u76ee\u5b66\u4e60\u6b27\u59c6\u5b9a\u5f8b\u3001GPIO\u548c\u6676\u4f53\u7ba1\u77e5\u8bc6"},"content":{"rendered":"<p><script type=\"text\/javascript\" src=\"https:\/\/ssl-cache.stream.ne.jp\/www50\/eqa194obdo\/jmc_pub\/jmc_swf\/player\/t3\/if.js\" charset=\"UTF-8\"><\/script><\/p>\n<p>*\u672c\u6587\u6700\u521d\u53d1\u8868\u4e8e2022\u5e744\u670828\u65e5\uff0c\u73b0\u5bf9\u5176\u91cd\u65b0\u7f16\u8f91\u540e\u518d\u6b21\u53d1\u8868\u3002<\/p>\n<p>Devices Plus\u7684\u7535\u5b50\u5236\u4f5c\u7cfb\u5217\u6587\u7ae0\u5df2\u7ecf\u5f62\u6210\u4e86\u4e00\u4e2a\u5e9e\u5927\u7684\u4f53\u7cfb\u3002\u8bfb\u8005\u4eec\u4e5f\u5f88\u559c\u6b22\u6839\u636e\u6211\u4eec\u7684\u6587\u7ae0\u5236\u4f5c\u4e00\u4e9b\u81ea\u5df1\u7684\u4f5c\u54c1\u3002<\/p>\n<p>\u7136\u800c\uff0c\u6700\u8fd1\u4e00\u4f4d\u8bfb\u8005\u8868\u793a\uff0c\u201c\u867d\u7136\u6211\u53ef\u4ee5\u505a\u51fa\u4f5c\u54c1\uff0c\u4f46\u662f\u6211\u5e76\u6ca1\u6709\u771f\u6b63\u638c\u63e1\u80cc\u540e\u7684\u539f\u7406\u3002\u201d\u786e\u5b9e\uff0c\u8c08\u5230\u7535\u529b\u3001\u7535\u5b50\u3001\u7535\u8def\u548c\u7a0b\u5e8f\u7b49\u5185\u5bb9\uff0c\u6709\u4e9b\u4e1c\u897f\u5e76\u4e0d\u662f\u90a3\u4e48\u7b80\u5355\uff0c\u6709\u65f6\u5f88\u96be\u7406\u89e3\u80cc\u540e\u7684\u57fa\u672c\u539f\u7406\u3002\u751a\u81f3\u6211\u4eec\u7f16\u8f91\u90e8\u7684\u4eba\u5458\u6709\u65f6\u4e5f\u4f1a\u611f\u5230\u5934\u75bc\uff01<\/p>\n<p>\u6b64\u6b21\u7684\u5206\u4eab\u5609\u5bbe\u662f\u4f0a\u85e4\u5c1a\u672a\u5148\u751f\uff0c\u4e00\u4f4d\u5a92\u4f53\u827a\u672f\u5bb6\u548c\u4f5c\u5bb6\uff0c\u4ee5\u8bb2\u89e3\u201c\u66f4\u6df1\u5c42\u6b21\u7684\u539f\u7406\u201d\u800c\u95fb\u540d\u3002\u867d\u7136\u9898\u76ee\u662f\u95ea\u70c1LED\uff0c\u4f46\u662f\u8981\u5b66\u7684\u4e1c\u897f\u5f88\u591a\uff0c\u6240\u4ee5\u6211\u4eec\u76f4\u63a5\u5b66\u4e60\u6700\u4e3a\u91cd\u8981\u7684\u90e8\u5206\u3002\u5f53\u7136\uff0c\u5b66\u5b8c\u539f\u7406\u4e4b\u540e\uff0c\u6211\u4eec\u8fd8\u8981\u7406\u8bba\u8054\u7cfb\u5b9e\u9645\uff0c\u5b66\u4ee5\u81f4\u7528\u3002<\/p>\n<p style=\"text-align: center;\">\u25c6<\/p>\n<h2>\u76ee\u5f55<\/h2>\n<ol class=\"number-list\">\n<li><a href=\"#01\">\u524d\u8a00<\/a><\/li>\n<li><a href=\"#02\">\u5148\u4ece\u6240\u8c13\u7684\u95ea\u70c1LED\u5b66\u8d77<\/a><\/li>\n<li><a href=\"#03\">\u6b27\u59c6\u5b9a\u5f8b<\/a><\/li>\n<li><a href=\"#04\">Raspberry Pi\u7684GPIO<\/a><\/li>\n<li><a href=\"#05\">\u901a\u8fc7\u6676\u4f53\u7ba1\u63a7\u5236LED<\/a><\/li>\n<li><a href=\"#06\">\u5173\u4e8e\u95ea\u70c1LED\u7684\u66f4\u591a\u77e5\u8bc6<\/a><\/li>\n<li><a href=\"#07\">\u95ea\u70c1LED\u9879\u76ee\u5f00\u53d1<\/a><\/li>\n<li><a href=\"#08\">\u5982\u4f55\u5e94\u7528\u6211\u4eec\u7684\u8bbe\u8ba1\uff1f<\/a><\/li>\n<li><a href=\"#09\">\u603b\u7ed3<\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2 id=\"01\">1. \u524d\u8a00<\/h2>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4f0a\u85e4\u5c1a\u672a\u3002\u4eca\u5e74\u6765\uff0c\u968f\u7740\u7535\u5b50\u884c\u4e1a\u7684\u53d1\u5c55\uff0c\u5fae\u63a7\u5236\u5668\u53d8\u5f97\u975e\u5e38\u6d41\u884c\u3002\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7d27\u51d1\u7684\u5c0f\u578b\u5668\u4ef6\u6765\u611f\u77e5\u548c\u63a7\u5236\u5404\u79cd\u4e8b\u7269\uff0c\u5305\u62ec\u5149\u3001\u58f0\u97f3\u3001\u8fd0\u52a8\u548c\u56fe\u50cf\uff0c\u8fd9\u611f\u89c9\u5f88\u795e\u5947\u3002\u6211\u5c0f\u65f6\u5019\u7684\u672a\u6765\u68a6\u60f3\u6b63\u5728\u6162\u6162\u5b9e\u73b0\uff0c\u8fd9\u4ee4\u6211\u611f\u6168\u4e07\u5343\u3002<\/p>\n<p>\u7535\u5b50\u5236\u4f5c\u7684\u5185\u5bb9\u5df2\u7ecf\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u65e9\u5df2\u4e0d\u518d\u662f\u7528\u6676\u4f53\u7ba1\u5236\u4f5c\u6536\u97f3\u673a\u7684\u65f6\u4ee3\u4e86\u3002<\/p>\n<p>\u8fdb\u5165\u5a92\u4f53\u827a\u672f\u9886\u57df\u4ee5\u540e\uff0c\u6211\u628a\u7535\u5b50\u4f5c\u54c1\u89c6\u4e3a\u5de5\u5177\u548c\u6750\u6599\uff0c\u5c31\u50cf\u753b\u7b14\u548c\u989c\u6599\uff0c\u5e2e\u52a9\u6211\u5728\u827a\u672f\u9886\u57df\u66f4\u5145\u5206\u5730\u8868\u73b0\u81ea\u5df1\u3002\u827a\u672f\u7684\u8868\u8fbe\u65b9\u5f0f\u6709\u5f88\u591a\u79cd\uff0c\u800c\u53e6\u4e00\u65b9\u9762\uff0c\u7231\u597d\u52a8\u624b\u5236\u4f5c\u7684\u8fd9\u7c7b\u4eba\u88ab\u79f0\u4e3a\u201c\u521b\u5ba2\u201d\u3002\u5f53\u6211\u770b\u5230\u5f88\u591a\u5730\u65b9\u90fd\u5728\u4e3e\u529e\u76f8\u5173\u6d3b\u52a8\u65f6\uff0c\u6211\u611f\u6168\u201c\u5174\u8da3\u7231\u597d\u201d\u4f5c\u4e3a\u4e00\u79cd\u4e9a\u6587\u5316\u7684\u6982\u5ff5\u5df2\u7ecf\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u6211\u559c\u6b22\u7528Raspberry Pi\u8fdb\u884c\u7535\u5b50\u8bbe\u8ba1\uff0c\u4eba\u4eec\u53ef\u4ee5\u8f7b\u677e\u8bbf\u95ee\u8be5\u7cfb\u7edf\u7684\u5404\u79cd\u8d44\u6e90\u3002\u5176\u64cd\u4f5c\u7cfb\u7edf\u8fd8\u5b89\u88c5\u4e86\u5982os\u7b49\u591a\u79cd\u5e94\u7528\u7a0b\u5e8f\uff0c\u800c\u4e14\u7b80\u5355\u6613\u7528\u3002<\/p>\n<div id=\"attachment_22725\" class=\"wp-caption aligncenter\" style=\"width: 410px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/04\/111-1.png\" alt=\"\u4eca\u56de\u306fRaspberry Pi 3 Model B\uff0b\u3092\u4f7f\u7528\" width=\"400\" height=\"609\" aria-describedby=\"caption-attachment-22725\" \/><\/p>\n<p id=\"caption-attachment-22725\" class=\"wp-caption-text\">\u672c\u6587\u4f7f\u7528\u7684Raspberry Pi 3 Model B\uff0b<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<h2 id=\"02\">2. \u5148\u4ece\u6240\u8c13\u7684\u95ea\u70c1LED\u5b66\u8d77<\/h2>\n<p>\u201c\u95ea\u70c1LED\u201d\uff0c\u987e\u540d\u601d\u4e49\uff0c\u60a8\u4f1a\u5728\u7535\u8def\u4e2d\u770b\u5230LED\u706f\u4ea4\u66ff\u70b9\u4eae\u548c\u7184\u706d\u3002\u5f53\u7136\uff0c\u8ba9LED\u706f\u95ea\u70c1\u5f88\u7b80\u5355\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u6676\u4f53\u7ba1\u548c\u7535\u5bb9\u7b49\u5143\u4ef6\u91cd\u73b0\u7535\u8def\u7684\u6784\u5efa\u3002\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u4e0b\u56fe\u8fd9\u4e2a\u7535\u8def\u662f\u5728\u6211\u7684\u7535\u5b50\u4f5c\u54c1\u4e2d\u7ecf\u5e38\u4f7f\u7528\u7684\u4e00\u79cd\u7535\u8def\uff0c\u53eb\u505a\u975e\u7a33\u6001\u591a\u8c10\u632f\u8361\u5668\u7535\u8def\u3002\u8be5\u7535\u8def\u7531\u4e24\u4e2a\u6676\u4f53\u7ba1\u3001\u4e24\u4e2a\u7535\u5bb9\u3001\u56db\u4e2a\u7535\u963b\u548c\u4e00\u4e2aLED\u7ec4\u6210\u3002\u8fd9\u4e9b\u5668\u4ef6\u710a\u63a5\u5728\u7535\u8def\u677f\u4e0a\uff0c\u7528\u5e72\u7535\u6c60\u4f9b\u7535\u3002<\/p>\n<div id=\"attachment_22725\" class=\"wp-caption aligncenter\" style=\"width: 410px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-02.png\" alt=\"\u56de\u8def\u4f8b\uff1a\u975e\u5b89\u5b9a\u30de\u30eb\u30c1\u30d0\u30a4\u30d6\u30ec\u30fc\u30bf\" width=\"400\" height=\"609\" aria-describedby=\"caption-attachment-22725\" \/><\/p>\n<p id=\"caption-attachment-22725\" class=\"wp-caption-text\">\uff08\u7535\u8def\u793a\u4f8b\uff1a\u975e\u7a33\u6001\u591a\u8c10\u632f\u8361\u5668\uff09<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<div id=\"attachment_22725\" class=\"wp-caption aligncenter\" style=\"width: 410px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/04\/111-3.png\" alt=\"\u4f5c\u54c1\u4f8b\uff1a\u9244\u9053\u8b66\u5831\u6a5f\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u305f\u5de5\u4f5c\" width=\"400\" height=\"609\" aria-describedby=\"caption-attachment-22725\" \/><\/p>\n<p id=\"caption-attachment-22725\" class=\"wp-caption-text\">\uff08\u4f5c\u54c1\u793a\u4f8b\uff1a\u94c1\u8def\u6807\u5fd7\uff09<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<p>\u5728\u8be5\u7535\u8def\u4e2d\uff0cLED\u706f\u4f1a\u4ee5\u5927\u7ea6\u4e00\u79d2\u7684\u95f4\u9694\u95ea\u70c1\u3002\u5982\u679c\u60f3\u6539\u53d8\u706f\u7684\u95ea\u70c1\u901f\u5ea6\uff0c\u6211\u4eec\u5f97\u6539\u53d8\u7535\u5bb9\u7684\u5bb9\u503c\u548c\u7535\u963b\u503c\u3002\u8981\u52a0\u5feb\u95ea\u70c1\u901f\u5ea6\uff0c\u5c31\u8981\u51cf\u5c0f\u7684\u7535\u5bb9\u5bb9\u503c\u2026\u2026<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5fae\u63a7\u5236\u5668\u5b9e\u73b0\u8fd9\u4e2a\u8c03\u6574\u3002<\/p>\n<p>\u901a\u8fc7Raspberry Pi\u7684GPIO\u8f93\u51fa\u70b9\u4eaeLED\u975e\u5e38\u7b80\u5355\u4e14\u6613\u4e8e\u5904\u7406\u3002\u8fd9\u65b9\u9762\u5185\u5bb9\u5f88\u591a\u4e66\u7c4d\u4e2d\u90fd\u6709\u4ecb\u7ecd\uff0c\u800c\u4e14\u5e02\u9762\u4e0a\u6709\u8bb8\u591a\u529f\u80fd\u6a21\u5757\u5316\u7684\u4e13\u7528\u6269\u5c55\u677f\uff0c\u90fd\u80fd\u63d0\u4f9b\u76f8\u5173\u8be6\u7ec6\u4fe1\u606f\u3002\u4f46\u662f\uff0c\u4ed6\u4eec\u5e76\u6ca1\u6709\u6df1\u5165\u63a2\u8ba8\u6784\u5efa\u7535\u5b50\u7535\u8def\u6240\u9700\u7684\u4e00\u4e9b\u6700\u57fa\u672c\u7684\u91cd\u8981\u77e5\u8bc6\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u5728\u8fd9\u91cc\u56de\u987e\u4e00\u4e0b\u3002\u8bf7\u56de\u5fc6\u4e00\u4e0b\u5c0f\u5b66\u548c\u521d\u4e2d\u79d1\u6280\u8bfe\u672c\u4e0a\u5b66\u5230\u7684\u77e5\u8bc6\u3002<\/p>\n<h2 id=\"03\">3. \u6b27\u59c6\u5b9a\u5f8b<\/h2>\n<p>\u6b27\u59c6\u5b9a\u5f8b\u7684\u63cf\u8ff0\u4e3a\uff1a\u7535\u6d41=\u7535\u538b\/\u7535\u963b\u3002\u6211\u5b66\u4e60\u8fd9\u4e2a\u5b9a\u5f8b\u7684\u65f6\u5019\uff0c\u8be5\u516c\u5f0f\u88ab\u5199\u6210I = E\/R\u3002\u73b0\u5728\u7684\u516c\u5f0f\u662fA = V\/\u03a9\uff0c\u5bf9\u5427\uff1f<br \/>\n\u8c8c\u4f3c\u73b0\u5728\u7684\u6559\u79d1\u4e66\u7528\u7684\u57fa\u672c\u90fd\u662f\u8fd9\u4e2a\u516c\u5f0f\uff0c\u201cA\uff08\u5b89\u57f9\uff09= V\uff08\u4f0f\u7279\uff09\/\u03a9\uff08\u6b27\u59c6\uff09\u201d\u5f3a\u8c03\u7684\u662f\u5355\u4f4d\u672c\u8eab\uff0c\u53ef\u80fd\u66f4\u76f4\u89c2\u6613\u61c2\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/04\/111-4.jpg\" alt=\"\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\" width=\"200\" height=\"200\" \/><\/p>\n<p>\u60a8\u53ef\u80fd\u4f1a\u5728\u53c2\u8003\u4e66\u4e2d\u770b\u5230\u8fd9\u6837\u7684\u56fe\uff0c\u4f46\u662f\u8bf7\u6ce8\u610f\u81ea\u5df1\u5bf9\u8fd9\u4e2a\u516c\u5f0f\u7684\u8bb0\u5fc6\u65b9\u6cd5\u3002\u5bf9\u4e86\uff0c\u6211\u6709\u4e00\u4e2a\u52a8\u7269\u56ed\u7684\u670b\u53cb\uff0c\u4ed6\u662f\u8fd9\u6837\u8bb0\u5fc6\u8fd9\u4e2a\u516c\u5f0f\u7684\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/04\/111-5.jpg\" alt=\"\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\" width=\"208\" height=\"208\" \/><\/p>\n<p>\u201c\u5730\u5e73\u7ebf\u5c06\u5730\u7403\u5206\u4e3a\u4e0a\u4e0b\u4e24\u90e8\u5206\uff0c\u5929\u7a7a\u4e2d\u6709\u6d77\u9e25\uff0c\u6d77\u4e2d\u6709\u9c7f\u9c7c\u548c\u7ae0\u9c7c\u201d<\/p>\n<p>\u2026\u2026<\/p>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u5c31\u4ee5\u7535\u6c60\u70b9\u4eaeLED\u4e3a\u4f8b\u6765\u8bf4\u660e\u6b27\u59c6\u5b9a\u5f8b\u7684\u5b9e\u9645\u5e94\u7528\u3002\u60a8\u53ef\u4ee5\u5c06LED\u8fde\u63a5\u5230\u7535\u6e90\uff08\u6b64\u5904\u4e3a\u7535\u6c60\uff09\uff0c\u4f46\u7531\u4e8eLED\u662f\u4e00\u79cd\u4e8c\u6781\u7ba1\uff0c\u56e0\u6b64\u7535\u6d41\u6709\u4e00\u4e2a\u65b9\u5411\uff1a\u5c06A\uff08\u9633\u6781\uff09\u8fde\u63a5\u5230\u7535\u6e90\u6b63\u6781\uff0c\u5c06K\uff08\u9634\u6781\uff09\u8fde\u63a5\u5230\u7535\u6e90\u8d1f\u6781\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/04\/111-6.png\" alt=\"\u56de\u8def\u4f8b\uff1a\u975e\u5b89\u5b9a\u30de\u30eb\u30c1\u30d0\u30a4\u30d6\u30ec\u30fc\u30bf\" width=\"168\" height=\"268\" \/><\/p>\n<p>\u8fd9\u4e2a\u8fde\u63a5\u65b9\u5411\u867d\u7136\u6b63\u786e\uff0c\u4f46\u5b9e\u9645\u4e0a\u5982\u679c\u8fd9\u6837\u76f4\u63a5\u8fde\u63a5\uff0cLED\u53ef\u80fd\u4f1a\u635f\u574f\u3002\u4e3a\u907f\u514d\u635f\u574f\u5668\u4ef6\uff0c\u6d41\u8fc7\u5668\u4ef6\u7684\u7535\u6d41\u5927\u5c0f\u5fc5\u987b\u6b63\u786e\u3002<\/p>\n<p>\u6b63\u786e\u7684\u7535\u6d41\u503c\u8bf7\u53c2\u8003\u5668\u4ef6\u7684\u989d\u5b9a\u53c2\u6570\u8868\uff08\u6280\u672f\u89c4\u683c\u4e66\uff09\u3002\u6211\u4eec\u4ee5\u4e00\u4e2a\u53c2\u6570\u4e3a3.5V\/20mA\u7684\u767d\u5149LED\u4e3a\u4f8b\uff0c\u8fd9\u79cd\u7535\u53c2\u6570\u53ef\u4ee5\u89e3\u91ca\u4e3a\u201c\u5982\u679c\u7535\u538b\u7535\u6d41\u4f4d\u4e8e\u8fd9\u4e2a\u5b89\u5168\u8303\u56f4\u5185\uff0c\u90a3\u4e48\u4e0d\u4f1a\u635f\u574f\u201d\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u201c\u5982\u679c\u7535\u53c2\u6570\u8d85\u51fa\u8fd9\u4e2a\u8303\u56f4\uff0c\u5b83\u53ef\u80fd\u4f1a\u635f\u574f\u3002\u201d\u56e0\u6b64\uff0c\u9002\u7528\u4e8e\u8be5LED\u7684\u6700\u4f73\u7535\u538b\u4e3a3.5V\uff0c\u6d41\u8fc7\u7684\u6700\u4f73\u7535\u6d41\u4e3a0.02A\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5982\u679c\u7535\u538b\u4e3a3.5V\uff0c\u5c31\u5f97\u8003\u8651\u4f7f\u7528\u7535\u538b\u66f4\u9ad8\u7684\u7535\u6e90\uff0c\u6bd4\u5982\u4e00\u4e2a\u7531\u56db\u8282\u5e72\u7535\u6c60\u7ec4\u6210\u76846V\u7535\u6e90\u3002\u4e25\u683c\u6765\u8bf4\uff0c\u4e00\u8282\u65b0\u7535\u6c60\u7684\u7535\u538b\u53ef\u80fd\u63a5\u8fd11.6V\u3002\u5f53\u7136\uff0c\u76ee\u524d\u6211\u4eec\u5148\u6309\u7167\u56db\u8282\u7535\u6c60\u603b\u7535\u538b\u4e3a6V\u8fdb\u884c\u8ba8\u8bba\uff0c\u7a0d\u540e\u518d\u4ecb\u7ecd\u5168\u65b0\u7535\u6c60\u7684\u7535\u538b\u60c5\u51b5\u3002<\/p>\n<p>\u6211\u60f3\u628a6V\u4e2d\u76843.5V\u7535\u538b\u65bd\u52a0\u5230LED\u4e0a\uff0c\u90a3\u4e48\u5269\u4e0b\u76842.5V\u5c31\u5f97\u65bd\u52a0\u5230\u53e6\u4e00\u4e2a\u5143\u5668\u4ef6\u4e0a\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5206\u538b\u6765\u5b9e\u73b0\uff0c\u56e0\u6b64LED\u9700\u8981\u4e32\u8054\u4e00\u4e2a\u8d1f\u8f7d\uff0c\u4e00\u4e2a\u7b80\u5355\u7684\u7535\u963b\u5668\u5373\u53ef\u3002<\/p>\n<p>\u6211\u4eec\u6765\u56de\u60f3\u4e00\u4e0b\u5fae\u578b\u706f\u6ce1\u4e32\u8054\u548c\u5e76\u8054\u7684\u5b9e\u9a8c\u60c5\u51b5\uff0c\u5b83\u4eec\u7684\u4eae\u5ea6\u4e0d\u4e00\u6837\u3002\u8d1f\u8f7d\uff08\u5fae\u578b\u706f\u6ce1\uff09\u4e32\u8054\u65f6\uff0c\u7535\u8def\u7535\u538b\u5206\u914d\u5230\u4e24\u4e2a\u5fae\u578b\u706f\u6ce1\u4e0a\uff0c\u8d1f\u8f7d\u52a0\u500d\uff0c\u6240\u4ee5\u6d41\u8fc7\u7535\u8def\u7684\u7535\u6d41\u4e3a1\/2\uff0c\u5fae\u578b\u706f\u6ce1\u8f83\u6697\u3002<\/p>\n<div id=\"attachment_22725\" class=\"wp-caption aligncenter\" style=\"width: 410px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-07.png\" alt=\"\u4f5c\u54c1\u4f8b\uff1a\u9244\u9053\u8b66\u5831\u6a5f\u3092\u30a4\u30e1\u30fc\u30b8\u3057\u305f\u5de5\u4f5c\" width=\"400\" height=\"609\" aria-describedby=\"caption-attachment-22725\" \/><\/p>\n<p id=\"caption-attachment-22725\" class=\"wp-caption-text\">\u5fae\u578b\u706f\u6ce1\u5b58\u5728\u4e2a\u4f53\u5dee\u5f02\uff08\u6bd4\u5982\u75b2\u52b3\u7a0b\u5ea6\uff09\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u8d1f\u8f7d\u6709\u6240\u4e0d\u540c<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<p>\u5206\u538b\u4e4b\u540e\uff0c\u6bcf\u4e2a\u5143\u4ef6\u5f97\u5230\u4e00\u90e8\u5206\u7535\u538b\u3002\u73b0\u5728\uff0c\u6211\u4eec\u8fd4\u56de\u6765\u8ba8\u8bbaLED\u3002\u7531\u4e8eLED\u662f\u534a\u5bfc\u4f53\uff0c\u6211\u4eec\u4e0d\u5c06\u5176\u89c6\u4e3a\u8d1f\u8f7d\u3002\u56e0\u6b64\u5373\u4f7f\u662f\u5206\u538b\u7535\u8def\uff0c\u7535\u8def\u4e2d\u7684\u7535\u6d41\u4e5f\u5f97\u901a\u8fc7\u9664LED\u4ee5\u5916\u7684\u5143\u4ef6\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/04\/111-8.jpg\" alt=\"\u5206\u5727\" width=\"237\" height=\"332\" \/><br \/>\n\u6d41\u8fc7\u7535\u8def\u7684\u7535\u6d41\u5e94\u8be5\u662f20mA\uff0c\u90a3\u4e48\u6211\u4eec\u5e94\u8be5\u4f7f\u7528\u591a\u5927\u7684\u7535\u963b\u5462\uff1f\u8fd9\u53ef\u4ee5\u4f7f\u7528\u6b27\u59c6\u5b9a\u5f8b\u8ba1\u7b97\u3002\u56e0\u4e3a\u201c\u7535\u963b=\u7535\u538b\/\u7535\u6d41\u201d\uff0c2.5V\/0.02A=125\u03a9\uff0c\u6240\u4ee5LED\u5e94\u4e32\u8054\u4e00\u4e2a125\u03a9\u7684\u7535\u963b\u3002\u7535\u8def\u7535\u538b\u7531LED\u548c\u7535\u963b\u5668\u5206\u538b\u3002<\/p>\n<p>\u7136\u800c\uff0c\u5e02\u573a\u4e0a\u5e76\u6ca1\u6709\u963b\u503c\u662f125\u03a9\u7684\u7535\u963b\u3002\u6700\u63a5\u8fd1\u7684\u7535\u963b\u963b\u503c\u4e3a120\u03a9\u548c130\u03a9\u3002\u5982\u679c\u9009\u7528120\u03a9\uff0c\u90a3\u4e48\u6839\u636e\u6b27\u59c6\u5b9a\u5f8b\uff0c\u7535\u8def\u7684\u7535\u6d41\u4e3a25\/120 = 0.0208333\u3002\u8fd9\u4e2a\u503c\u8d85\u8fc7\u4e8620mA\uff0c\u56e0\u6b64\u6211\u4eec\u5e94\u9009\u7528130\u03a9\u7684\u7535\u963b\u3002\u7535\u6d41\u4e0d\u8d85\u8fc720mA\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u8ba8\u8bba\u4f7f\u7528\u5168\u65b0\u5e72\u7535\u6c60\u7684\u60c5\u51b5\u3002\u5982\u679c\u6bcf\u8282\u7535\u6c60\u7684\u7535\u538b\u662f1.6V\uff0c\u90a3\u4e48\u603b\u7535\u538b\u5c31\u662f6.4V\u3002\u5982\u679c\u7535\u963b\u4e0a\u7684\u7535\u538b\u4e3a2.9V\uff0c\u90a3\u4e48\u7ecf\u8fc7\u8ba1\u7b97\u5176\u963b\u503c\u4e3a145\u03a9\u3002\u6240\u4ee5\uff0c\u9009\u7528\u4e00\u4e2a150\u03a9\u7684\u7535\u963b\u8db3\u591f\u4e86\u3002\u5f53\u7136\uff0c\u7535\u963b\u8d8a\u5927\u7535\u8def\u8d8a\u5b89\u5168\uff0c\u4f46\u662fLED\u4f1a\u53d8\u7684\u66f4\u6697\u3002\u8bf7\u6839\u636e\u81ea\u5df1\u7684\u8bbe\u8ba1\u73af\u5883\u9009\u62e9\u9002\u5f53\u7684\u963b\u503c\u3002\u8be5\u7535\u963b\u88ab\u79f0\u4e3a\u9650\u6d41\u7535\u963b\uff0c\u56e0\u4e3a\u5b83\u7684\u4f5c\u7528\u5c31\u662f\u63a7\u5236\u6d41\u8fc7\u7535\u8def\u7684\u7535\u6d41\u3002<\/p>\n<h2 id=\"04\">4. Raspberry Pi\u7684GPIO<\/h2>\n<p>Raspberry Pi\u6709\u8bb8\u591a\u79f0\u4e3aGPIO\u7684\u8f93\u5165\/\u8f93\u51fa\u7aef\u53e3\uff0c\u53ef\u7528\u4e8e\u63a7\u5236\u5916\u90e8\u8bbe\u5907\u3002\u6211\u6ca1\u6709\u63cf\u8ff0\u8fd9\u65b9\u9762\u7684\u7ec6\u8282\uff0c\u90a3\u6211\u8be5\u5982\u4f55\u89e3\u91ca\u7535\u4fe1\u53f7\u662f\u5982\u4f55\u4ea7\u751f\u7684\u5462\uff1f<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2026\/04\/111-9.png\" alt=\"\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\" width=\"400\" height=\"609\" \/><br \/>\n\u6bd4\u5982\uff0c\u7528\u8fd9\u4e2a\u7aef\u5b50\u80fd\u5426\u70b9\u4eaeLED\uff1f<\/p>\n<p>\u5f53\u7136\u53ef\u4ee5\uff01\u7136\u800c\uff0c\u5982\u524d\u6240\u8ff0\uff0c\u4e0d\u540cLED\u7684\u989d\u5b9a\u53c2\u6570\u4e0d\u540c\u3002\u6bd4\u5982\uff0c\u5982\u679c\u6211\u4eec\u8981\u70b9\u4eae\u4e00\u4e2a\u7ea2\u82722.0V 20mA\u7684LED\uff0c\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u9650\u6d41\u7535\u963b\u3002GPIO\u7684\u8f93\u51fa\u7535\u538b\u4e3a3.3V\uff0c\u90a3\u4e48\u5206\u7ed9\u9650\u6d41\u7535\u963b\u7684\u7535\u538b\u4e3a1.3V\uff0c\u901a\u8fc7\u7684\u7535\u6d41\u4e3a20mA\u3002\u4e0d\u8fc7\uff0cRaspberry Pi\u7684GPIO\u6700\u5927\u53ea\u80fd\u63d0\u4f9b16mA\u7684\u7535\u6d41\uff0c\u6839\u636e\u6b27\u59c6\u5b9a\u5f8b\uff0c\u9650\u6d41\u7535\u963b\u5e94\u4e3a\u201c1.3V\/0.016 = 81.25\u03a9\u201d\uff0c\u6240\u4ee5\u6211\u4f7f\u7528\u4e86100\u03a9\u7535\u963b\u3002\u867d\u7136\u8fd9\u6837\u65e0\u6cd5\u8fbe\u5230\u8be5LED\u7684\u989d\u5b9a\u6027\u80fd\uff0c\u4f46\u662f\u8db3\u4ee5\u70b9\u4eae\u5b83\u3002\u60a8\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5728\u9762\u5305\u677f\u4e0a\u505a\u4e00\u4e0b\u8fd9\u4e2a\u5b9e\u9a8c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-10.png\" alt=\"LED\" width=\"699\" height=\"250\" \/><\/p>\n<p>\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u5b9e\u73b0LED\u706f\u95ea\u70c1\u6700\u597d\u7684\u65b9\u6cd5\u8fd8\u662f\u4f7f\u7528Scratch\u3002<br \/>\n\u5982\u679c\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eScratch\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u8fd9\u7bc7\u6587\u7ae0\uff1a<a href=\"https:\/\/deviceplus.jp\/hobby\/raspberrypi_entry_010\/\" target=\"_blank\" rel=\"noopener\">\u7b2c10\u7bc7\u201c\u7528Raspberry Pi\u8ba9LED\u95ea\u70c1\uff01\u548cScratch\u4e2d\u7684\u5c0f\u732b\u4e00\u8d77\u73a9\u5427\uff01\u201d<\/a><\/p>\n<div id=\"attachment_22725\" class=\"wp-caption aligncenter\" style=\"width: 700px;\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-11.png\" alt=\"\u30b9\u30af\u30e9\u30c3\u30c1\" width=\"700\" height=\"193\" aria-describedby=\"caption-attachment-22725\" \/><\/p>\n<p id=\"caption-attachment-22725\" class=\"wp-caption-text\">\u58f0\u660eGPIO\uff0c\u5c06GPIO4\u8bbe\u4e3a\u8f93\u51fa\uff0c\u7136\u540e\u5411GPIO4\u8f93\u51faON (Hi)\u3002<br \/>\n\u5982\u679c\u4f7f\u7528\u5de6\u56fe\u7a0b\u5e8f\uff0cLED\u4f1a\u4e00\u76f4\u5904\u4e8e\u70b9\u4eae\u72b6\u6001\u6240\u4ee5\u8981\u7528OFF\uff08low\uff09\u6765\u5173\u95ed\u5b83<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n<p><img decoding=\"async\" class=\"size-full wp-image-22725 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-12.png\" alt=\"\u30b9\u30af\u30e9\u30c3\u30c1\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u8bbe\u6cd5\u5236\u4f5c\u51fa\u4e86\u95ea\u70c1\u7684LED\u706f\uff0c\u4f46\u662f\uff0c\u5982\u524d\u6240\u8ff0\uff0cRaspberry Pi\u7684GPIO\u7684\u8f93\u51fa\u7535\u6d41\u5b58\u5728\u9650\u5236\u3002\u5982\u679c\u60a8\u60f3\u4f7f\u7528\u767d\u5149\u6216\u84dd\u51493.5V LED\uff0c\u6216\u8005\u8fde\u63a5\u591a\u4e2aLED\uff08\u60f3\u8981\u66f4\u4eae\u4e00\u4e9b\uff09\uff0c\u6216\u8005\u4f7f\u7528\u5927\u529f\u7387\u3001\u8d85\u4eaeLED\uff0c\u600e\u4e48\u529e\u5462\uff1f\u6b64\u65f6\uff0c\u5355\u4e2aGPIO\u8f93\u51fa\u5f88\u96be\u5b9e\u73b0\u8fd9\u79cd\u529f\u80fd\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u53e6\u4e00\u4e2a\u7535\u6e90\u4f9b\u7535\uff0c\u5e76\u6784\u5efa\u4e00\u4e2a\u5355\u72ec\u7684\u7535\u8def\u6765\u9a71\u52a8LED\u3002LED\u53ef\u4ee5\u4f7f\u7528\u4e13\u7528LED\u9a71\u52a8\u5668\u8fdb\u884c\u9a71\u52a8\uff0c\u4f46\u662f\u672c\u8282\u4ecb\u7ecd\u4e00\u79cd\u4f7f\u7528\u6676\u4f53\u7ba1\u7684\u7b80\u5355\u9a71\u52a8\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"05\">5. \u901a\u8fc7\u6676\u4f53\u7ba1\u63a7\u5236LED<\/h2>\n<p>\u672c\u6587\u4f7f\u7528\u7684\u662fNPN\u578b\u6676\u4f53\u7ba12SC1815\uff08\u76ee\u524d\u4e0e2SC1815L\u3001KSC1815\u7b49\u517c\u5bb9\uff09\u3002\u6676\u4f53\u7ba1\u7684\u4f5c\u7528\u662f\u653e\u5927\u548c\u5f00\u5173\u3002<br \/>\n\u6211\u4eec\u7ed9\u57fa\u6781\u4e00\u4e2a\u8f93\u5165\uff0c\u7535\u6d41\u5c31\u4f1a\u4ece\u96c6\u7535\u6781\u6d41\u5411\u53d1\u5c04\u6781\u3002\u6b64\u65f6\uff0c\u57fa\u6781\u7684\u8f93\u5165\u4fe1\u53f7\u5c31\u88ab\u653e\u5927\u6210\u4e00\u4e2a\u8f83\u5927\u7684\u7535\u6d41\u4fe1\u53f7\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3a\u5f00\u5173\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u6a21\u62df\u5904\u7406\u7684\u8fc7\u7a0b\u662f\u653e\u5927\uff0c\u6570\u5b57\u5904\u7406\u7684\u8fc7\u7a0b\u662f\u5f00\u5173\u3002\u7531\u4e8e\u8fd9\u662f\u901a\u8fc7Raspberry Pi\u64cd\u4f5c\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u770b\u6210\u662f\u4e00\u4e2a\u5f00\u5173\u529f\u80fd\u3002<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-22725 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-13.png\" alt=\"\u30b9\u30af\u30e9\u30c3\u30c1\" 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20mA\uff0c\u5e76\u901a\u8fc7\u5916\u90e8\u5e72\u7535\u6c60\u4f9b\u7535\uff0c\u56e0\u6b64\u7535\u8def\u7684\u7535\u538b\u4e3a6V\u3002\u6839\u636e\u524d\u6587\u7684\u8ba8\u8bba\uff0c\u6211\u4eec\u8fd8\u7ed9LED\u4e32\u8054\u4e86\u4e00\u4e2a150\u03a9\u7684\u9650\u6d41\u7535\u963b\u3002<br \/>\n\u6211\u4eec\u6309\u7167\u4e0b\u56fe\u8fde\u63a5\u597d\u5404\u4e2a\u5668\u4ef6\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-14.png\" alt=\"LED\" width=\"491\" height=\"308\" \/><br \/>\n\u73b0\u5728\uff0c\u6211\u4eec\u628a\u6676\u4f53\u7ba1\u57fa\u6781\u8fde\u63a5\u5230Raspberry Pi\u7684GPIO\u3002\u9996\u5148\uff0c\u6211\u4eec\u7528\u9762\u5305\u677f\u8fdb\u884c\u5b9e\u9a8c\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-15.png\" alt=\"LED\" width=\"699\" height=\"313\" \/><br \/>\n\u5269\u4e0b\u7684\u5c31\u9700\u8981\u5199\u7a0b\u5e8f\u4e86\u3002\u4f46\u662f\uff0c\u60a8\u53ef\u4ee5\u50cf\u5728Scratch\u4e2d\u4e00\u6837\u4f7f\u7528\u4e4b\u524d\u7684\u7a0b\u5e8f\u3002\u5f53\u7136\uff0c\u5982\u679c\u6240\u8fde\u63a5\u7684GPIO\u5f15\u811a\u53d8\u4e86\uff0c\u90a3\u4e48\u5e94\u8be5\u5728\u7a0b\u5e8f\u4e2d\u66f4\u6539\u5f15\u811a\u7f16\u53f7\u3002<\/p>\n<p>\u57fa\u672c\u6b65\u9aa4\u5982\u4e0b\uff0c\u58f0\u660e\u4f7f\u7528GPIO\uff0c\u8bbe\u7f6e\u8be5\u5f15\u811a\u8f93\u51fa\u3001\u8f93\u5165\u7b49\uff0c\u7136\u540e\u8f93\u51faON\uff08Hi\uff09\u6216OFF\uff08Low\uff09\u3002\u7531\u4e8e\u6b63\u8f93\u5165\u901a\u8fc7ON (Hi) \u8f93\u51fa\u65bd\u52a0\u5230\u6676\u4f53\u7ba1\u7684\u57fa\u6781\uff0c\u56e0\u6b64\u96c6\u7535\u6781\u548c\u53d1\u5c04\u6781\u4e4b\u95f4\u5bfc\u901a\uff0cLED\u70b9\u4eae\u3002<\/p>\n<p>\u7a0b\u5e8f\u4e2d\u53ef\u80fd\u4f1a\u63cf\u8ff0PullUp\u548cPullDown\uff0c\u4f46\u8fd9\u91cc\u6ca1\u6709\u5fc5\u8981\uff0c\u56e0\u4e3a\u5f15\u811a\u5df2\u7ecf\u8fde\u63a5\u4e86\u4e00\u4e2a10k\u03a9\u7535\u963b\u5230\u6676\u4f53\u7ba1\u7684\u57fa\u6781\uff0c\u4f5c\u4e3a\u4e0b\u62c9\u7535\u963b\u4f7f\u7528\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8fd9\u662f\u786c\u4ef6\u8bbe\u7f6e\u3002<\/p>\n<h2 id=\"06\">6. \u5173\u4e8e\u95ea\u70c1LED\u7684\u66f4\u591a\u77e5\u8bc6<\/h2>\n<p>\u5982\u4f55\u624d\u80fd\u8ba9LED\u706f\u95ea\u70c1\u5462\uff1f\u8fd9\u5e76\u4e0d\u96be\uff0c\u56e0\u4e3a\u6211\u4eec\u53ef\u4ee5\u7528\u7a0b\u5e8f\u6765\u63a7\u5236ON\uff08Hi\uff09\u8f93\u51fa\u6216OFF\uff08Low\uff09\u8f93\u51fa\u3002\u60f3\u50cf\u4e00\u4e0b\uff0c\u7b2c\u4e00\u4e2a\u8f93\u51fa\u662fOFF (Low)\uff0c\u7136\u540e\u8f93\u51faON (Hi)\uff0c\u5e76\u4fdd\u63011\u79d2\uff0c\u7136\u540e\u8f93\u51faOFF (Low)\uff0c\u4e5f\u4fdd\u63011\u79d2\uff0c\u7136\u540e\u518d\u6b21\u8f93\u51faON(Hi)\uff0c\u53ea\u8981\u8fd9\u6837\u53cd\u590d\u5373\u53ef\u3002\u90a3\u4e48\uff0c\u6211\u4eec\u5c31\u4f1a\u770b\u5230LED\u706f\u5728\u95ea\u70c1\u3002\u8fd9\u4e2aScratch\u7a0b\u5e8f\u4f8b\u5b50\u5c31\u662f\u524d\u9762\u6587\u4e2d\u63d0\u5230\u7684\u90a3\u4e2a\u793a\u4f8b\u3002<\/p>\n<h2 id=\"07\">7. \u95ea\u70c1LED\u9879\u76ee\u5f00\u53d1<\/h2>\n<p>\u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86LED\u706f\u7684\u95ea\u70c1\u8bbe\u8ba1\uff0c\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u6765\u5c1d\u8bd5\u63a7\u5236\u591a\u4e2aLED\u3002\u8ba9\u4e24\u4e2aLED\u706f\u4ea4\u66ff\u95ea\u70c1\u7684\u65b9\u6cd5\u5982\u4e0b\u3002\u8be5\u7535\u8def\u5229\u7528\u4e86\u4e24\u4e2aGPIO\uff0c\u6bcf\u4e2aGPIO\u9a71\u52a8\u4e00\u4e2a\u5e26\u6676\u4f53\u7ba1\u7684LED\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-22725\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-16.png\" alt=\"LED\" width=\"698\" height=\"281\" \/><br \/>\n\u8fd9\u662f\u6211\u5236\u4f5c\u7684\u4e24\u4e2a\u6676\u4f53\u7ba1\u9a71\u52a8\u7535\u8def\u3002\u7535\u8def\u5f88\u7b80\u5355\uff0c\u4f46\u662f\u5982\u679c\u60a8\u5728\u9762\u5305\u677f\u4e0a\u7ec4\u88c5\uff0c\u7535\u7ebf\u4f1a\u5f88\u590d\u6742\uff0c\u6240\u4ee5\u8981\u6ce8\u610f\u8d70\u7ebf\u60c5\u51b5\u3002Scratch\u7a0b\u5e8f\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\u3002<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-22725 aligncenter\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/08\/i01-17.png\" alt=\"\u30b9\u30af\u30e9\u30c3\u30c1\" \/><\/p>\n<div class=\"video-container video-container--smallOnLg\"><script type=\"text\/javascript\">\n\tjstream_t3.PlayerFactoryIF.create({\n\tb:\"eqa194obdo.eq.webcdn.stream.ne.jp\/www50\/eqa194obdo\/jmc_pub\/jmc_swf\/player\/\",\n\tc:\"NDc3\",\n\tm:\"MjA0NA==\",\n\ts:{\n\t\thp:360,\n          wp:480,\n          dq:\"0\",\n          mdq:\"0\",\n          ft:\"\",\n          pb:\"on\",\n          vc:\"on\",\n          sb:\"on\",\n          fs:\"on\",\n          fa:\"right\",\n          ti:\"on\",\n          is:\"on\",\n          ip:\"off\",\n          el:\"on\",\n          tg:\"on\",\n          mb:\"on\",\n          sn:\"f,t\",\n          rp:\"off\",\n          wm:\"on\",\n          wd:1,\n          cp:\"on\",\n          rb:\"off\",\n          il:\"off\",\n          rs:\"off\",\n          prl:\"off\",\n          sbt:\"off\",\n          pr:\"\",\n          cc:\"on\",\n          lu:\"off\",\n          plac:\"off\",\n          skb:\"10\",\n          fskb:\"10\",\n          bskb:\"10\",\n          cpt:\"on\"\n\t}});\n<\/script><\/div>\n<p>\u901a\u8fc7\u6b64\u5e94\u7528\uff0cLED\u7684\u6570\u91cf\u53ef\u4ee5\u6839\u636e\u53ef\u7528GPIO\u6570\u91cf\u589e\u52a0\uff0c4\u4e2a\u621610\u4e2a\u3002\u5b83\u4eec\u4e0d\u4ec5\u53ef\u4ee5\u987a\u5e8f\u95ea\u70c1\uff0c\u800c\u4e14\u53ef\u4ee5\u540c\u65f6\u5168\u90e8\u95ea\u70c1\uff0c\u751a\u81f3\u8fd8\u53ef\u4ee5\u53cd\u5411\u95ea\u70c1\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u60a8\u7684\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"08\">8. 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