{"id":15921,"date":"2022-06-30T17:44:51","date_gmt":"2022-06-30T09:44:51","guid":{"rendered":"https:\/\/www.circuspi.com\/?p=15921"},"modified":"2024-05-09T15:40:32","modified_gmt":"2024-05-09T07:40:32","slug":"alarm-system","status":"publish","type":"post","link":"https:\/\/www.circuspi.com\/index.php\/2022\/06\/30\/alarm-system\/","title":{"rendered":"\u6a39\u8393\u6d3e\u611f\u6e2c\u5668\u5be6\u4f5c(\u4e00)\uff1a\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71"},"content":{"rendered":"\n<p><style>\n\/* ###\u5be6\u9a57\u4e0b\u4e00\u5217### *\/\n\na:link {color:#0695e4\n;}    \/* \u8a2d\u5b9a\u5c1a\u672a\u9ede\u95b1\u904e\u7684\u9023\u7d50\u6a23\u5f0f *\/\na:visited {color:#0695e4\n;} \/* \u8a2d\u5b9a\u904e\u53bb\u66fe\u7d93\u95b1\u904e\u7684\u9023\u7d50 *\/\na:hover {color:#0695e4\n;}   \/* \u8a2d\u5b9a\u6ed1\u9f20\u6e38\u6a19\u6307\u5728\u9023\u7d50\u4f4d\u7f6e\u4e0a\u7684\u6a23\u5f0f *\/\na:active {color:#0000BB;}  \/* \u8a2d\u5b9a\u4e0a\u9ede\u64ca\u904e\u7684\u9023\u7d50\u6a23\u5f0f *\/\n<\/style><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"526\" data-id=\"16661\" src=\"https:\/\/www.circuspi.com\/wp-content\/uploads\/2022\/06\/1000x526-3.jpg\" alt=\"\" class=\"wp-image-16661\"\/><\/figure>\n<\/figure>\n\n\n\n<p><em>\u672c\u6587\u8b6f\u81ea\u6a39\u8393\u6d3e\u96dc\u8a8c 111 \u671f(<a href=\"https:\/\/magpi.raspberrypi.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">MagPi issue<\/a> 111)\uff0c\u539f\u6587\u6a19\u984c\u70ba Build a fire and gas leak alarm system\uff08\u5716\u7247\u4f86\u6e90\u53d6\u81ea\u96dc\u8a8c\u5167\u9801\uff09\uff0c\u76f8\u95dc\u539f\u59cb\u7a0b\u5f0f\u78bc\u53ef\u53c3\u8003<a href=\"https:\/\/github.com\/themagpimag\/magpi-issue111\/tree\/master\/SensoryWorld1\" target=\"_blank\" rel=\"noreferrer noopener\">\u5b98\u65b9\u7a0b\u5f0f\u78bc<\/a>\u3002\u672c\u7bc7\u8207\u539f\u6587\u540c\u6a23\u4f7f\u7528 CC 3.0 BY-NC-SA \u6388\u6b0a\uff0c\u6b61\u8fce\u6a19\u8a3b\u539f\u4f5c\u8005\u8f49\u8f09\uff0c\u82e5\u6709\u4efb\u4f55\u4e0d\u59a5\u8207\u6307\u6559\u656c\u8acb\u544a\u77e5\u3002<\/em><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-style-default\">\n<p>\ud83d\udc40 <strong>\u6a39\u8393\u6d3e\u521d\u5b78\u8005\u770b\u9019\u908a\uff01<\/strong><\/p>\n<cite>\u60f3\u4e86\u89e3\u5165\u9580\u7684\u6559\u5b78\u6559\u6750\u55ce\uff1f\u63a8\u85a6\u53c3\u8003\u300c<a href=\"https:\/\/user113160.psee.io\/4b7ncp\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u591c\u5e02\u5c0f\u9738\u738b<\/strong><\/a>\u300d<strong>\u5c24\u6fec\u54f2\u8001\u5e2b<\/strong>\u7684\u7db2\u7ad9\uff0c\u4e00\u8d77\u9032\u5165 Raspberry Pi \u6a39\u8393\u6d3e\u7684\u4e16\u754c\u5427\uff01<\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u524d\u8a00<\/h2>\n\n\n\n<p>\u4eba\u985e\u900f\u904e\u5404\u7a2e\u611f\u5b98\uff08\u8996\u89ba\u3001\u55c5\u89ba\u3001\u89f8\u89ba\u3001\u5473\u89ba\u3001\u807d\u89ba\uff09\u53bb\u611f\u53d7\u9019\u500b\u4e16\u754c\uff0c\u5982\u6b64\u4fbf\u80fd\u5920\u77e5\u9053\u6240\u8655\u7684\u74b0\u5883\u767c\u751f\u4ec0\u9ebc\u6a23\u7684\u8b8a\u5316\uff0c\u4e26\u4e14\u505a\u51fa\u76f8\u5c0d\u61c9\u7684\u53cd\u61c9\u3002<\/p>\n\n\n\n<p>\u540c\u7406\uff0c\u6211\u5011\u4e5f\u80fd\u5920\u5229\u7528\u624b\u4e2d\u7684 <a href=\"https:\/\/www.icshop.com.tw\/pages\/raspberrypi-kit\" target=\"_blank\" rel=\"noreferrer noopener\">Raspberry Pi \u6a39\u8393\u6d3e<\/a>\u9023\u63a5\u5404\u5f0f\u5404\u6a23\u7684\u611f\u6e2c\u5668\u9054\u5230\u76f8\u540c\u7684\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u300c\u6a39\u8393\u6d3e\u611f\u6e2c\u5668\u5be6\u4f5c\u300d\u7cfb\u5217\u6211\u5011\u5c07\u63a2\u7d22\u4e00\u4e9b\u5e38\u898b\u7684\u611f\u6e2c\u5668\uff0c\u4e26\u88fd\u4f5c\u51fa\u53ef\u57f7\u884c\u7684\u5c08\u6848\u3002\u672c\u6b21\u5be6\u4f5c\u7684\u5c08\u6848\u76ee\u6a19\uff1a\u88fd\u4f5c\u4e00\u500b\u7c21\u6613\u7684\u5c0f\u578b\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71\uff0c\u7576\u8b66\u5831\u7cfb\u7d71\u5075\u6e2c\u5230\u5371\u96aa\u72c0\u6cc1\u767c\u751f\u6642\uff0c\u4fbf\u6703\u767c\u51fa\u8072\u5149\u8b66\u5831\u63d0\u9192\u4eba\u5011\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6240\u9700\u8a2d\u5099<\/h2>\n\n\n\n<p>1. <a href=\"https:\/\/www.icshop.com.tw\/products\/368030200407\" target=\"_blank\" rel=\"noreferrer noopener\">\u706b\u7130\u611f\u6e2c\u5668<\/a> x1<\/p>\n\n\n\n<p>2. <a href=\"https:\/\/www.icshop.com.tw\/products?query=%E6%B0%A3%E9%AB%94%E6%84%9F%E6%B8%AC%E5%99%A8&amp;http_cookie=6e8468ca-ff45-4685-991a-1a155c589d98\" target=\"_blank\" rel=\"noreferrer noopener\">\u6c23\u9ad4\u611f\u6e2c\u5668<\/a> x1<\/p>\n\n\n\n<p>3. <a href=\"https:\/\/www.icshop.com.tw\/product-page.php?2512\" target=\"_blank\" rel=\"noreferrer noopener\">LED \u71c8<\/a> x1<\/p>\n\n\n\n<p>4. <a href=\"https:\/\/www.icshop.com.tw\/products?query=%E6%9C%89%E6%BA%90%E8%9C%82%E9%B3%B4%E5%99%A8&amp;http_cookie=6e8468ca-ff45-4685-991a-1a155c589d98\" target=\"_blank\" rel=\"noreferrer noopener\">\u8702\u9cf4\u5668<\/a> x1<\/p>\n\n\n\n<p>5. <a href=\"https:\/\/www.icshop.com.tw\/products?query=%E9%BA%B5%E5%8C%85%E6%9D%BF&amp;http_cookie=6e8468ca-ff45-4685-991a-1a155c589d98\" target=\"_blank\" rel=\"noreferrer noopener\">\u9eb5\u5305\u677f<\/a> x1<\/p>\n\n\n\n<p>6. <a href=\"https:\/\/www.icshop.com.tw\/products?query=330ohm%20%E9%9B%BB%E9%98%BB&amp;http_cookie=6e8468ca-ff45-4685-991a-1a155c589d98\" target=\"_blank\" rel=\"noreferrer noopener\">330\u03a9 \u96fb\u963b<\/a> x1<\/p>\n\n\n\n<p>7. <a href=\"https:\/\/www.icshop.com.tw\/categories\/wirecable\" target=\"_blank\" rel=\"noreferrer noopener\">\u675c\u90a6\u7dda\u6750<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5be6\u4f5c\u6b65\u9a5f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u9023\u63a5\u706b\u7130\u611f\u6e2c\u5668<\/h3>\n\n\n\n<p>\u706b\u7130\u611f\u6e2c\u5668\u4f7f\u7528 PIR\uff08passive infrared\uff0c\u88ab\u52d5\u7d05\u5916\u7dda\uff09 \u5075\u6e2c\u5468\u570d\u74b0\u5883\u6eab\u5ea6\u7684\u8b8a\u5316\uff0c\u611f\u6e2c\u5668\u4e0a\u6709\u985e\u6bd4\u8207\u6578\u4f4d\u8f38\u51fa\uff0c\u6211\u5011\u50c5\u9700\u8981\u4f7f\u7528\u6578\u4f4d\u8f38\u51fa\u7684\u8173\u4f4d\uff0c\u7576\u611f\u6e2c\u5668\u5075\u6e2c\u5230\u706b\u7130\u6642\u4fbf\u6703\u767c\u9001\u8a0a\u865f\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u95dc\u9589<a href=\"https:\/\/www.icshop.com.tw\/products\/368030200549\" target=\"_blank\" rel=\"noreferrer noopener\"> Raspberry Pi \u6a39\u8393\u6d3e<\/a>\u7684\u96fb\u6e90\uff0c\u5c07\u706b\u7130\u611f\u6e2c\u5668\u9023\u63a5\u5230\u958b\u767c\u677f\u5982\u4e0b\u5716\u8868\u6240\u793a\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\" id=\"alarm\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/TjE1TEDQPxwxY_kfqtLbQ5HYSqRxEoLcYi4wK0m-ptpQj4QQNNiHA695peGAQwvyNAUyIuF2lvtXnys5zK1MvKElsAIymyxdzzI7EldYInNH5DOgwLlJp_Zd8DQmqt0pckRHrsSKEd-3A_Tj3Q\" alt=\"\u6a39\u8393\u6d3e\u611f\u6e2c\u5668\u5be6\u4f5c(\u4e00)\uff1a\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71\"\/><figcaption class=\"wp-element-caption\">\u57161. \u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71<\/figcaption><\/figure><\/div>\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Raspberry Pi \u6a39\u8393\u6d3e<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u706b\u7130\u611f\u6e2c\u5668<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3.3 V<\/td><td class=\"has-text-align-center\" data-align=\"center\">VCC<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GND<\/td><td class=\"has-text-align-center\" data-align=\"center\">GND<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">IO21<\/td><td class=\"has-text-align-center\" data-align=\"center\">DO<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u64b0\u5beb\u611f\u6e2c\u706b\u7130\u7a0b\u5f0f\u78bc<\/h3>\n\n\n\n<p>\u9023\u63a5\u597d\u706b\u7130\u611f\u6e2c\u5668\u5f8c\uff0c\u958b\u555f<a href=\"https:\/\/www.icshop.com.tw\/products\/368030200549\" target=\"_blank\" rel=\"noreferrer noopener\"> Raspberry Pi \u6a39\u8393\u6d3e<\/a>\u7684\u96fb\u6e90\uff0c\u82e5\u662f\u9023\u63a5\u6b63\u78ba\u5c07\u6703\u770b\u5230\u611f\u6e2c\u5668\u4eae\u8d77<strong><span class=\"tadv-color\" style=\"color:#cf2e2e\">\u7d05\u71c8<\/span><\/strong>\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u5011\u8981\u64b0\u5beb\u4e00\u500b\u7c21\u55ae\u7684 Python \u7a0b\u5f0f\u300cflame_test.py\u300d\uff0c\u53bb\u8b80\u53d6\u611f\u6e2c\u5668\u4e26\u986f\u793a\u89f8\u767c\u6642\u7684\u8a0a\u606f\uff0c\u4e5f\u85c9\u6b64\u4f86\u6e2c\u8a66\u786c\u9ad4\u662f\u5426\u6b63\u5e38\u904b\u4f5c\u3002<\/p>\n\n\n\n<p>\u5f9e\u96fb\u8166\u684c\u9762\u7684\u9078\u55ae\u4e2d\uff0c\u6253\u958b <a href=\"https:\/\/thonny.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Thonny IDE<\/a> \u8edf\u9ad4\u5e73\u53f0\u958b\u59cb\u64b0\u5beb\u7a0b\u5f0f\u3002\u5728\u9019\u908a\u70ba\u4e86\u7c21\u5316\u8a2d\u5b9a\uff0c\u6211\u5011\u9078\u64c7\u4f7f\u7528 GPIO Zero \u7a0b\u5f0f\u5eab\uff0c\u800c\u4e0d\u662f RPi.GPIO \u7a0b\u5f0f\u5eab\uff0c\u7a0b\u5f0f\u78bc\u5982\u4e0b\u5716\u6240\u793a\uff1a&nbsp;<\/p>\n\n\n\n<div style=\"overflow: auto; height: 320px; background-color: #0000;\"><script src=\"https:\/\/gist.github.com\/icchannel\/97222f39eba8968013c9e068f9b6651b.js\"><\/script>\n<\/div>\n\n\n\n<p>\u7b2c 1~3 \u884c\uff1a\u5728\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 Button \u65b9\u6cd5\u6aa2\u6e2c\u706b\u7130\u611f\u6e2c\u5668\u7684\u8a0a\u865f\uff0c\u6309\u4e0b\u6309\u9215\u5373\u70ba\u611f\u6e2c\u5230\u706b\u7130\uff08\u901a\u96fb\uff0c\u8a0a\u865f\u70ba1\uff09\uff0c\u53cd\u4e4b\u70ba\u7121\u611f\u6e2c\u5230\u706b\u7130\uff08\u4e0d\u901a\u96fb\uff0c\u8a0a\u865f\u70ba0\uff09\u3002<\/p>\n\n\n\n<p>\u706b\u7130\u611f\u6e2c\u5668\u662f\u9023\u63a5\u5230 IO21\uff0c\u56e0\u6b64\u6211\u5011\u5c07 flame \u7269\u4ef6\u4f9d\u7167 Button \u65b9\u6cd5\u8a2d\u5b9a\u70ba flame = Button(21)\u3002<\/p>\n\n\n\n<p>\u7b2c 6~10\u884c\uff1a\u8a2d\u5b9a\u4e00\u500b\u8ff4\u5708 while True: \uff0c\u7576\u4e2d\u4f7f\u7528 if&#8230;else \u4f86\u5224\u65b7\u8207\u986f\u793a\u611f\u6e2c\u5668\u662f\u5426\u6709\u611f\u6e2c\u5230\u706b\u7130\uff0cif flame.value == 1 \u70ba\u5075\u6e2c\u5230\u706b\u7130 \uff0cThonny Shell \u986f\u793a\u7a97\u70ba\u300cFire!\u300d\uff1b\u53cd\u4e4b\u5247\u986f\u793a\u300cNo fire\u300d\u3002<\/p>\n\n\n\n<p>\u7b2c 11 \u884c\uff1a\u5728\u986f\u793a\u8a2d\u5b9a\u4e2d\u6211\u5011\u52a0\u5165\u4e86 end = &#8220;\\r&#8221; \uff0c\u5982\u6b64\u4e00\u4f86\u6bcf\u6b21\u986f\u793a\u6587\u5b57\u5c31\u90fd\u6703\u51fa\u73fe\u5728\u540c\u4e00\u884c\uff0c\u800c\u4e0d\u662f\u63db\u884c\u986f\u793a\uff0c\u53ef\u4ee5\u8b93\u756b\u9762\u770b\u8d77\u4f86\u66f4\u70ba\u4e7e\u6de8\u6574\u9f4a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5be6\u6e2c\u706b\u7130\u611f\u6e2c\u5668<\/h3>\n\n\n\n<p>\u73fe\u5728\u5c31\u5c07\u706b\u7130\u653e\u5728\u611f\u6e2c\u5668\u9644\u8fd1\uff0c\u5be6\u6e2c\u770b\u770b\u662f\u5426\u6703\u89f8\u767c\u8b66\u5831\u6587\u5b57\u5427\uff01<\/p>\n\n\n\n<p>\u6211\u5011\u4f7f\u7528\u6253\u706b\u6a5f\u4f86\u6e2c\u8a66\uff0c\u7576\u7136\u4e5f\u53ef\u4ee5\u7528\u5176\u4ed6\u706b\u6e90\u4ee3\u66ff\uff08\u4f8b\u5982\uff1a\u71ed\u706b\u3001\u706b\u67f4\u68d2\uff09\uff0c\u5207\u8a18\u8981\u5c0f\u5fc3\u4f7f\u7528\uff0c\u4e26\u4e14\u4e0d\u8981\u5c07\u706b\u6e90\u76f4\u63a5\u653e\u5728\u4e0d\u9632\u706b\u7684\u611f\u6e2c\u5668\u65c1\u908a\uff0c\u4ee5\u514d\u9ad8\u6eab\u640d\u58de\u611f\u6e2c\u5668\uff0c\u9020\u6210\u5371\u96aa\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u5c31\u4f7f\u7528\u524d\u9762\u5beb\u597d\u7684\u300cflame_test.py\u300d\u7a0b\u5f0f\u642d\u914d\u706b\u6e90\u9760\u8fd1\u611f\u6e2c\u5668\uff0c\u6211\u5011\u9019\u908a\u8a2d\u5b9a\u7684\u662f\u7576\u706b\u7130\u8ddd\u96e2\u611f\u6e2c\u5668\u7d04 30cm \u6642\uff0c\u4fbf\u6703\u767c\u751f\u89f8\u767c\u611f\u6e2c\u5668\uff08\u53ef\u4ee5\u900f\u904e\u611f\u6e2c\u5668\u677f\u4e0a\u7684\u5341\u5b57\u65cb\u9215\u8abf\u6574\u6210\u9069\u5408\u7684\u8ddd\u96e2\uff09\u3002<\/p>\n\n\n\n<p>\u7576\u611f\u6e2c\u5668\u5075\u6e2c\u5230\u706b\u7130\u6642\uff0c<strong><span style=\"color:#cf2e2e\" class=\"tadv-color\">\u7d05\u8272<\/span><\/strong> LED \u6703\u4eae\u8d77\uff0cThonny Shell \u8996\u7a97\u6703\u5f9e\u300cNo fire\u300d \u986f\u793a\u70ba\u300cFire!\u300d\uff0c\u5982\u4e0b\u5716\u6240\u793a\uff1a<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/m4m_hz2U2s4JtSy0xr9_hQeRsCYMGnV5V5QgejjC7DntBvBeT2jMm5KKqcHoC8Voazy1v10XvJyeL3whIu_06L0G5-FIoHPtELjs7lI5K7SNlXgUsY4ZWHk4IAzXqx5j-lzPztt8UHQBmG6wyQ\" alt=\"\u6a39\u8393\u6d3e\u611f\u6e2c\u5668\u5be6\u4f5c(\u4e00)\uff1a\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71\"\/><figcaption class=\"wp-element-caption\">\u57162. \u5be6\u6e2c\u706b\u7130\u611f\u6e2c\u5668 <\/figcaption><\/figure><\/div>\n\n\n<blockquote class=\"wp-block-quote\">\n<p><strong>\u5c0f\u79d8\u8a23<\/strong><\/p>\n<cite>\u70ba\u4e86\u7c21\u5316\u64cd\u4f5c\uff0c\u6211\u5011\u4f7f\u7528\u6578\u4f4d\u8f38\u51fa\u89f8\u767c\u8b66\u5831\u7cfb\u7d71\uff1b\u82e5\u662f\u4f7f\u7528\u985e\u6bd4\u8f38\u51fa\u7684\u8a71\uff0c\u5c07\u6703\u9700\u8981\u984d\u5916\u589e\u52a0\u4e00\u500b ADC \u6676\u7247\uff08\u4f8b\u5982\uff1aMCP3008\uff09\u5c07\u5176\u8f49\u63db\u6210\u6578\u4f4d\u8a0a\u865f\u8b80\u53d6\u3002<\/cite><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u9023\u63a5\u6c23\u9ad4\u611f\u6e2c\u5668<\/h3>\n\n\n\n<p>\u63a5\u8457\u8981\u4f7f\u7528\u6c23\u9ad4\u611f\u6e2c\u5668\uff08MQ-5\uff09\u4f86\u5075\u6e2c\u74e6\u65af\uff0c\u6c23\u9ad4\u611f\u6e2c\u5668\u88e1\u9762\u6709\u4e00\u5c64\u6c27\u5316\u932b\uff0c\u53ef\u4ee5\u9ad8\u9748\u654f\u5ea6\u5730\u611f\u6e2c\u4e01\u70f7\u3001\u7532\u70f7\u548c\u4e19\u70f7\u7b49\u6c23\u9ad4\u662f\u5426\u5b58\u5728\u7a7a\u6c23\u4e2d\u3002<\/p>\n\n\n\n<p>\u6c23\u9ad4\u611f\u6e2c\u5668\u4e0a\u6709\u985e\u6bd4\u8207\u6578\u4f4d\u8f38\u51fa\u8173\u4f4d\uff0c\u6211\u5011\u7684\u8b66\u5831\u7cfb\u7d71\u50c5\u9700\u8981\u4f7f\u7528\u6578\u4f4d\u8f38\u51fa\u7684\u8173\u4f4d\u3002\u5c07\u6c23\u9ad4\u611f\u6e2c\u5668\u9023\u63a5\u5230<a href=\"https:\/\/www.icshop.com.tw\/products\/368030200549\" target=\"_blank\" rel=\"noreferrer noopener\"> Raspberry Pi \u6a39\u8393\u6d3e<\/a>\u5982<a href=\"#alarm\">\u57161<\/a>\uff0c\u63a5\u7dda\u8acb\u53c3\u7167\u4e0b\u8868\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-stripes\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Raspberry Pi \u6a39\u8393\u6d3e<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u706b\u7130\u611f\u6e2c\u5668<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3.3 V<\/td><td class=\"has-text-align-center\" data-align=\"center\">VCC<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">GND<\/td><td class=\"has-text-align-center\" data-align=\"center\">GNC<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">IO14<\/td><td class=\"has-text-align-center\" data-align=\"center\">DO<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\uff0a<a href=\"https:\/\/www.icshop.com.tw\/products\/368030200549\" target=\"_blank\" rel=\"noreferrer noopener\">Raspberry Pi \u6a39\u8393\u6d3e<\/a>\u4e0a\u76843.3 V \u8207 GND \u8173\u4f4d\u900f\u904e\u9eb5\u5305\u677f\u8207\u706b\u7130\u611f\u6e2c\u5668\u5171\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u589e\u52a0\u6c23\u9ad4\u611f\u6e2c\u5668\u7a0b\u5f0f<\/h3>\n\n\n\n<p>\u96d6\u7136\u6211\u5011\u4e5f\u53ef\u4ee5\u53e6\u5916\u5efa\u7acb\u4e00\u500b\u65b0\u7684\u7a0b\u5f0f\u78bc\u55ae\u7368\u6e2c\u8a66\u6c23\u9ad4\u611f\u6e2c\u5668\uff0c\u4f46\u662f\u9019\u908a\u793a\u7bc4\u76f4\u63a5\u5728\u539f\u5148\u64b0\u5beb\u597d\u7684\u7684\u7a0b\u5f0f\u4e2d\uff0c\u9023\u63a5\u589e\u52a0\u6c23\u9ad4\u611f\u6e2c\u5668\u7684\u90e8\u4efd\uff0c\u9019\u6a23\u5c31\u53ef\u4ee5\u66f4\u7c21\u55ae\u5730\u9032\u968e\u5230\u6211\u5011\u6700\u7d42\u7684\u8b66\u5831\u7cfb\u7d71\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<p>\u7b2c 4~6 \u884c\uff1a\u5728\u300cflame_gas_test.py\u300d\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u8207\u524d\u9762\u4e00\u6a23\u7684 Button \u65b9\u6cd5\uff0c\u5c07 Raspberry Pi \u6a39\u8393\u6d3e\u7684 GPIO18\uff08\u8b6f\u8a3b\uff1a\u539f\u6587\u70ba GPIO18\uff0c\u61c9\u8a72\u662f\u7b46\u8aa4\uff0c\u5be6\u969b\u662f GPIO14 \u624d\u5c0d\uff09\u6307\u5b9a\u70ba\u6c23\u9ad4\u5075\u6e2c\u5668 gas = Button(14)\u3002\u63a5\u8457\u65b0\u589e\u4e00\u884c\u81ea\u5b9a\u7fa9\u7684 msg2 \uff0c\u6211\u5011\u5c07\u7528\u4f86\u8a2d\u5b9a\u6b32\u986f\u793a\u5728 Shell \u8996\u7a97\u7684\u8a0a\u606f\u3002<\/p>\n\n\n\n<p>\u7b2c 8~16 \u884c\uff1a\u8a2d\u5b9a\u4e00\u500b\u8ff4\u5708 while True:\uff0c\u7576\u6c23\u9ad4\u611f\u6e2c\u5668\u611f\u6e2c\u5230\u6b32\u5075\u6e2c\u7684\u6c23\u9ad4\u800c\u8173\u4f4d\u88ab\u89f8\u767c\u6642\uff08if gas.value == 1\uff09\uff0c\u4fbf\u6703\u986f\u793a\u300cGas leak!\u300d\uff0c\u53cd\u4e4b\u5247\u986f\u793a\u300cNo gas\u300d\u3002<\/p>\n\n\n\n<p>\u7b2c 17 \u884c\uff1a\u6700\u5f8c\u6211\u5011\u5728 msg1 \u5f8c\u65b9\u52a0\u5165 msg2 \u4e26\u5305\u542b end = &#8220;\\r&#8221; \uff0c\u9019\u6a23\u986f\u793a\u6587\u5b57\u5c31\u6703\u90fd\u986f\u793a\u5728\u540c\u4e00\u884c\u3002<\/p>\n\n\n\n<div style=\"overflow: auto; height: 450px; background-color: #0000;\"><script src=\"https:\/\/gist.github.com\/icchannel\/ed36bfed7a2c9ef09716f8ff1eb2543b.js\"><\/script>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u5be6\u6e2c\u6c23\u9ad4\u611f\u6e2c\u5668<\/h3>\n\n\n\n<p>\u73fe\u5728\u5c31\u4f86\u5be6\u6e2c\u770b\u770b\u6c23\u9ad4\u611f\u6e2c\u5668\u662f\u5426\u904b\u4f5c\u6b63\u5e38\u5427\uff01<\/p>\n\n\n\n<p>\u6211\u5011\u5728\u4e0d\u9ede\u71c3\u706b\u7130\u7684\u60c5\u6cc1\u4e0b\u4f7f\u6253\u706b\u6a5f\u6d29\u6f0f\u4e9b\u8a31\u74e6\u65af\u6c23\u9ad4\uff0c\u4e5f\u53ef\u900f\u904e\u74e6\u65af\u7210\u6216\u74e6\u65af\u6c23\u74f6\u53d6\u5f97\u5c11\u91cf\u7684\u74e6\u65af\u6c23\u9ad4\uff0c\u4f46\u662f\u5fc5\u9808\u78ba\u4fdd\u662f\u5728\u5b89\u5168\u7684\u72c0\u614b\u4e0b\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u5c31\u958b\u59cb\u4f7f\u7528\u300cflame_gas_test.py\u300d\u7a0b\u5f0f\u78bc\uff0c\u4e26\u5728\u611f\u6e2c\u5668\u5468\u570d\u91cb\u653e\u5c11\u91cf\u7684\u74e6\u65af\u6c23\u9ad4\u3002\u6c23\u9ad4\u611f\u6e2c\u5668\u8207\u706b\u7130\u611f\u6e2c\u5668\u4f7f\u7528\u65b9\u6cd5\u4e00\u6a23\uff0c\u53ef\u900f\u904e\u677f\u4e0a\u7684\u5341\u5b57\u65cb\u9215\u8abf\u6574\u53ef\u8b8a\u96fb\u963b\uff0c\u85c9\u6b64\u6539\u8b8a\u6c23\u9ad4\u611f\u6e2c\u5668\u7684\u9748\u654f\u5ea6\u3002<\/p>\n\n\n\n<p>\u7576\u6c23\u9ad4\u611f\u6e2c\u5668\u5075\u6e2c\u5230\u5468\u570d\u7684\u74e6\u65af\u6642\uff0c<strong><span style=\"color:#cf2e2e\" class=\"tadv-color\">\u7d05\u8272<\/span><\/strong>\u7684 LED \u6703\u4eae\u8d77\u4ee5\u8868\u793a\u89f8\u767c\uff0c\u4e26\u4e14 Shell \u8996\u7a97\u6703\u5f9e\u539f\u672c\u7684\u300cNo gas\u300d\u986f\u793a\u70ba\u300cGas leak!\u300d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. \u9023\u63a5 LED<\/h3>\n\n\n\n<p>\u5982\u679c\u5728\u524d\u9762\u7684\u64cd\u4f5c\u6b65\u9a5f\u5df2\u7d93\u80fd\u8b93\u611f\u6e2c\u5668\u6b63\u78ba\u5730\u904b\u4f5c\u4e26\u986f\u793a\u8a0a\u606f\u4e86\uff0c\u90a3\u9ebc\u5c31\u53ef\u4ee5\u9032\u5165\u5230\u4e0b\u4e00\u500b\u968e\u6bb5\u3002<\/p>\n\n\n\n<p>\u96d6\u7136\u80fd\u5920\u986f\u793a\u6b63\u78ba\u8a0a\u606f\u5df2\u7d93\u76f8\u7576\u4e0d\u932f\u4e86\uff0c\u4f46\u662f\u4e00\u500b\u597d\u7684\u8b66\u5831\u7cfb\u7d71\u600e\u9ebc\u80fd\u5c11\u4e86\u8996\u89ba\u8207\u807d\u89ba\u7684\u8b66\u5831\u6548\u679c\u5462?<\/p>\n\n\n\n<p>\u5728\u8996\u89ba\u8b66\u5831\u7684\u90e8\u5206\uff0c\u6211\u5011\u52a0\u5165\u4e00\u500b<strong><span style=\"color:#cf2e2e\" class=\"tadv-color\">\u7d05\u8272 <\/span><\/strong>5mm LED \uff08\u7576\u7136\u4e5f\u53ef\u4ee5\u9078\u64c7\u5176\u4ed6\u5c3a\u5bf8\uff09\uff0c\u800c\u70ba\u4e86\u8981\u907f\u514d LED \u71d2\u58de\uff0c\u56e0\u6b64\u6211\u5011\u9084\u8981\u52a0\u5165\u4e00\u500b\u96fb\u963b\u53bb\u9650\u5236\u96fb\u6d41\u3002<\/p>\n\n\n\n<p>\u5c07 LED \u7684\u5169\u96bb\u8173\u63d2\u5728\u9eb5\u5305\u677f\u4e0d\u540c\u884c\u4e0a\uff0c\u4e26\u5728\u9670\u6975\uff08\u77ed\uff09\u8173\u9023\u63a5\u4e00\u500b 330\u03a9 \u7684\u96fb\u963b\u5728\u9eb5\u5305\u677f\u7684\u8ca0\u6975\uff0c\u800c\u967d\u6975\uff08\u5f4e\u66f2\uff0c\u9577\uff09\u8173\u9023\u63a5\u5230 <a href=\"https:\/\/www.icshop.com.tw\/products\/368030200549\" target=\"_blank\" rel=\"noreferrer noopener\">Raspberry Pi \u6a39\u8393\u6d3e<\/a> IO16 \u7684\u8173\u4f4d\uff0c\u5982<a href=\"#alarm\">\u57161<\/a> \u6240\u793a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. \u9023\u63a5\u8702\u9cf4\u5668<\/h3>\n\n\n\n<p>\u5728\u807d\u89ba\u8b66\u5831\u7684\u90e8\u5206\uff0c\u6211\u5011\u4f7f\u7528\u4e00\u500b\u6709\u6e90\u8702\u9cf4\u5668\u767c\u51fa\u8072\u97ff\u3002\u6709\u6e90\u8702\u9cf4\u5668\u8f03\u9577\u7684\u8173\u70ba\u967d\u6975\uff0c\u8f03\u77ed\u7684\u8173\u70ba\u9670\u6975\uff08\u8702\u9cf4\u5668\u672c\u8eab\u53ef\u80fd\u6703\u6a19\u793a\u5b83\u5011\u7684\u4f4d\u7f6e\uff09\u3002\u5c07\u9670\u6975\u8173\u9023\u63a5\u5230\u9eb5\u5305\u677f\u7684\u8ca0\u6975\uff0c\u800c\u967d\u6975\u8173\u9023\u63a5\u5230 <a href=\"https:\/\/www.icshop.com.tw\/products\/368030200549\" target=\"_blank\" rel=\"noreferrer noopener\">Raspberry Pi \u6a39\u8393\u6d3e<\/a> IO25 \u7684\u8173\u4f4d\uff0c\u5982<a href=\"#alarm\">\u57161<\/a> \u6240\u793a\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">9. \u8b66\u5831\u7a0b\u5f0f\u78bc\u6574\u5408\u64b0\u5beb<\/h3>\n\n\n\n<p>\u7576\u4e00\u5207\u786c\u9ad4\u5982<a href=\"#alarm\">\u57161<\/a> \u90fd\u8a2d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u6211\u5011\u5c31\u6e96\u5099\u958b\u59cb\u64b0\u5beb\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u5427\uff01<\/p>\n\n\n\n<p>\u7b2c 1~2 \u884c\uff1a\u5728\u6700\u7d42\u7248\u7684\u300cfire_gas_alarm.py\u300d\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u8f38\u5165 GPIO Zero \u7a0b\u5f0f\u5eab\u7684 LED \u8207\u8702\u9cf4\u5668\uff0c\u4e26\u4e14\u4f7f\u7528\u6642\u9593\u7a0b\u5f0f\u5eab\u4e2d\u7684\u4f11\u7720\uff0c\u7528\u4f86\u4f5c\u70ba\u5ef6\u9072\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u7b2c 9~21 \u884c\uff1a\u6211\u5011\u5efa\u7acb fire_alarm \u8207 gas_alarm \u5169\u7a2e\u8b66\u5831\u7a0b\u5f0f\uff0c\u4f7f\u7528 for \u8ff4\u5708\u4f86\u63a7\u5236 LED \u8207\u8702\u9cf4\u5668\u958b\u95dc\u5207\u63db\u7684\u6b21\u6578\uff0c\u4e26\u4e14\u52a0\u5165 0.5 \u79d2\u7684\u4f11\u7720\u4f5c\u70ba\u5ef6\u9072\u3002<\/p>\n\n\n\n<p>\u7b2c23~31 \u884c\uff1a\u6700\u5f8c\uff0c\u5728 while True: \u8ff4\u5708\u4e2d\uff0c\u6211\u5011\u7528\u4f86\u6aa2\u6e2c pin \u8173\u5f9e\u611f\u6e2c\u5668\u6240\u63a5\u6536\u5230\u7684\u8a0a\u865f\uff0c\u4e26\u89f8\u767c\u76f8\u95dc\u7684\u8b66\u5831\u5668\u3002\u82e5\u662f\u5728\u672a\u89f8\u767c\u7684\u60c5\u6cc1\u4e0b\uff0c\u9810\u8a2d\u986f\u793a\u8a0a\u606f\u70ba\u300cAll OK\u300d\uff0c LED \u8207\u8702\u9cf4\u5668\u63a5\u70ba\u95dc\u9589\u7684\u72c0\u614b\u3002<\/p>\n\n\n\n<div style=\"overflow: auto; height: 500px; background-color: #0000;\"><script src=\"https:\/\/gist.github.com\/icchannel\/bace0e5d95acec2679ae49a9e2eb3ac3.js\"><\/script>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">10. \u5be6\u6e2c\u8b66\u5831\u7cfb\u7d71<\/h3>\n\n\n\n<p>\u73fe\u5728\u5c31\u4f86\u6e2c\u8a66\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71\u5427\uff01<\/p>\n\n\n\n<p>\u9996\u5148\u6211\u5011\u5c07\u706b\u6e90\u9760\u8fd1\u706b\u7130\u611f\u6e2c\u5668\uff0c\u4f86\u78ba\u8a8d\u8b66\u5831\u7cfb\u7d71\u662f\u5426\u6709\u88ab\u89f8\u767c\uff0c\u89f8\u767c\u7684\u72c0\u614b\u70ba LED \u9583\u720d\u3001\u8702\u9cf4\u5668\u767c\u51fa\u8072\u97ff\uff0cShell \u8996\u7a97\u986f\u793a\u6b63\u78ba\u7684\u8a0a\u606f\u3002\u540c\u6a23\u5730\uff0c\u900f\u904e\u91cb\u653e\u5c11\u91cf\u7684\u74e6\u65af\u4f86\u6e2c\u8a66\u6c23\u9ad4\u611f\u6e2c\u5668\uff0c\u662f\u5426\u6709\u6b63\u5e38\u89f8\u767c\u8b66\u5831\u7cfb\u7d71\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p><strong>\u6ce8\u610f\uff01<\/strong><\/p>\n<cite>\u8acb\u52ff\u73a9\u706b\uff01\u4f7f\u7528\u706b\u6e90\u6e2c\u8a66\u6642\uff0c\u8acb\u52ff\u592a\u9760\u8fd1\u611f\u6e2c\u5668\u8207\u5176\u4ed6\u96f6\u4ef6\u3002<br>\u4f7f\u7528\u74e6\u65af\u6c23\u9ad4\u6642\uff0c\u9808\u78ba\u4fdd\u74b0\u5883\u901a\u98a8\uff0c\u4e26\u4e14\u50c5\u4f7f\u7528\u5c11\u91cf\u6e2c\u8a66\u3002<br>\u672c\u6b21\u5206\u4eab\u50c5\u4f5c\u70ba\u7bc4\u4f8b\u53c3\u8003\uff0c\u52ff\u5c07\u5176\u4f5c\u70ba\u5be6\u969b\u751f\u6d3b\u4e2d\u7684\u5b89\u5168\u8b66\u5831\u7cfb\u7d71\u4e4b\u7528\u3002<br>\u7576\u767c\u751f\u706b\u707d\u6216\u74e6\u65af\u5916\u6d29\u6642\uff0c\u8acb\u76e1\u901f\u64a5\u6253 119 \u901a\u77e5\u6d88\u9632\u55ae\u4f4d\u3002<\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5c0f\u7d50<\/h2>\n\n\n\n<p>\u73fe\u5728\u6211\u5011\u5df2\u7d93\u64c1\u6709\u4e86\u7c21\u6613\u7684\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71\u4e86\uff01\u5982\u679c\u60f3\u8981\u8b93\u8b66\u5831\u6548\u679c\u66f4\u52a0\u660e\u986f\u7684\u8a71\uff0c\u53ef\u4ee5\u6dfb\u52a0\u4e00\u500b<a href=\"https:\/\/www.icshop.com.tw\/products?query=%E7%B9%BC%E9%9B%BB%E5%99%A8&amp;http_cookie=6e8468ca-ff45-4685-991a-1a155c589d98\" target=\"_blank\" rel=\"noreferrer noopener\">\u7e7c\u96fb\u5668<\/a>\u53bb\u958b\u555f 12V \u7684\u4fe1\u865f\u8b66\u5831\u71c8\uff0c\u4e5f\u53ef\u4ee5\u8a2d\u5b9a\u7576\u767c\u751f\u8b66\u5831\u6642\u767c\u9001 email \u6216\u63d0\u793a\u8a0a\u606f\u5230\u624b\u6a5f\u3002<\/p>\n\n\n\n<p>\u4e0b\u4e00\u6b21\u6211\u5011\u5c07\u5206\u4eab\u5982\u4f55\u5be6\u4f5c\u5165\u4fb5\u8005\u8b66\u5831\u5668\u7684\u6587\u7ae0\uff0c\u6709\u8208\u8da3\u7684\u5925\u4f34\u5011\u8acb\u5e6b\u6211\u5011\u591a\u591a\u5206\u4eab\u4e26\u6301\u7e8c\u95dc\u6ce8\u6211\u5011\u5594\uff01\u4e0b\u6b21\u898b\uff5e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u300c\u6a39\u8393\u6d3e\u611f\u6e2c\u5668\u5be6\u4f5c\u300d\u7cfb\u5217\u6211\u5011\u5c07\u63a2\u7d22\u4e00\u4e9b\u5e38\u898b\u7684\u611f\u6e2c\u5668\uff0c\u4e26\u88fd\u4f5c\u51fa\u53ef\u57f7\u884c\u7684\u5c08\u6848\u3002\u672c\u6b21\u5be6\u4f5c\u7684\u5c08\u6848\u76ee\u6a19\uff1a\u88fd\u4f5c\u4e00\u500b\u7c21\u6613\u7684\u5c0f\u578b\u706b\u7130\u8207\u74e6\u65af\u6d29\u6f0f\u8b66\u5831\u7cfb\u7d71\uff0c\u7576\u8b66\u5831\u7cfb\u7d71\u5075\u6e2c\u5230\u5371\u96aa\u72c0\u6cc1\u767c\u751f\u6642\uff0c\u4fbf\u6703\u767c\u51fa\u8072\u5149\u8b66\u5831\u63d0\u9192\u4eba\u5011\u3002\u73fe\u5728\u5c31\u4e00\u8d77\u4f86\u52d5\u624b\u5be6\u4f5c\u5427\uff01<\/p>\n","protected":false},"author":1,"featured_media":16662,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112,238],"tags":[23,113],"table_tags":[],"_links":{"self":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts\/15921"}],"collection":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/comments?post=15921"}],"version-history":[{"count":27,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts\/15921\/revisions"}],"predecessor-version":[{"id":21559,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/posts\/15921\/revisions\/21559"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/media\/16662"}],"wp:attachment":[{"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/media?parent=15921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/categories?post=15921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/tags?post=15921"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.circuspi.com\/index.php\/wp-json\/wp\/v2\/table_tags?post=15921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}