{"id":1214,"date":"2021-05-01T19:42:32","date_gmt":"2021-05-01T11:42:32","guid":{"rendered":"http:\/\/mgspace.wiki\/docs\/?post_type=docs&#038;p=1214"},"modified":"2022-02-19T15:46:20","modified_gmt":"2022-02-19T07:46:20","slug":"%e7%94%b5%e8%b7%af%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"docs","link":"http:\/\/mgspace.wiki\/docs\/?docs=%e7%94%b5%e8%b7%af%e6%98%af%e4%bb%80%e4%b9%88","title":{"rendered":"\u7535\u8def"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-14-724x1024.png\" alt=\"\" class=\"wp-image-5145\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-14-724x1024.png 724w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-14-353x500.png 353w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-14-768x1087.png 768w, 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768w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-15-1086x1536.png 1086w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-15-1448x2048.png 1448w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-15-1200x1697.png 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"771\" height=\"1024\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-18-771x1024.png\" alt=\"\" class=\"wp-image-5151\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-18-771x1024.png 771w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-18-376x500.png 376w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-18-768x1020.png 768w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-18-1156x1536.png 1156w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-18-1200x1594.png 1200w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-18.png 1373w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-19-724x1024.png\" alt=\"\" class=\"wp-image-5152\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-19-724x1024.png 724w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-19-354x500.png 354w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-19-768x1086.png 768w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-19-1086x1536.png 1086w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-19-1448x2048.png 1448w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2022\/02\/image-19-1200x1697.png 1200w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overview\">\u6982\u8ff0<\/h2>\n\n\n\n<p>\u6b22\u8fce\u6765\u5230101\u7535\u8def\uff01\u5b66\u4e60\u7535\u5b50\u77e5\u8bc6\u65f6\u9996\u5148\u4f1a\u9047\u5230\u7684\u4e8b\u60c5\u4e4b\u4e00\u662f<strong>\u7535\u8def<\/strong>\u7684\u6982\u5ff5\u3002\u672c\u6559\u7a0b\u5c06\u89e3\u91ca\u4ec0\u4e48\u662f\u7535\u8def\uff0c\u5e76\u8fdb\u4e00\u6b65\u8be6\u7ec6\u8ba8\u8bba<strong>\u7535\u538b<\/strong>\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/cdn.sparkfun.com\/assets\/2\/f\/9\/d\/a\/513a1dfbce395fe524000001.JPG\"><img decoding=\"async\" src=\"https:\/\/cdn.sparkfun.com\/r\/600-600\/assets\/2\/f\/9\/d\/a\/513a1dfbce395fe524000001.JPG\" alt=\"\u7535\u8def\u56fe\"\/><\/a><\/figure><\/div>\n\n\n\n<p><em>\u4e00\u4e2a\u7b80\u5355\u7684\u7535\u8def\uff08\u5305\u62ec\u4e00\u4e2a<a href=\"https:\/\/learn.sparkfun.com\/tutorials\/switch-basics\">\u6309\u94ae<\/a>\uff0c\u4e00\u4e2a<a href=\"https:\/\/learn.sparkfun.com\/tutorials\/light-emitting-diodes-leds\">LED<\/a>\u548c\u4e00\u4e2a<a href=\"https:\/\/learn.sparkfun.com\/tutorials\/resistors\">\u7535\u963b\u5668<\/a>\uff09\u6784\u5efa\u4e86\u4e24\u79cd\u4e0d\u540c\u7684\u65b9\u5f0f\u3002<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"circuit-basics\">\u7535\u8def\u57fa\u7840<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u7535\u538b\u53ca\u5176\u5de5\u4f5c\u65b9\u5f0f\">\u7535\u538b\u53ca\u5176\u5de5\u4f5c\u65b9\u5f0f<\/h3>\n\n\n\n<p>\u60a8\u53ef\u80fd\u5df2\u7ecf\u542c\u8bf4\u7535\u6c60\u6216\u58c1\u88c5\u7535\u6e90\u63d2\u5ea7\u5177\u6709\u4e00\u5b9a\u6570\u91cf\u7684<strong>\u7535\u538b<\/strong>\u3002\u8fd9\u662f\u5bf9\u7535\u6c60\u6216\u8fde\u63a5\u81f3\u58c1\u88c5\u7535\u6e90\u63d2\u5ea7\u7684\u516c\u7528\u7535\u7f51\u4ea7\u751f\u7684\u7535<strong>\u52bf<\/strong>\u7684\u5ea6\u91cf\u3002<\/p>\n\n\n\n<p>\u6240\u6709\u8fd9\u4e9b\u4f0f\u7279\u90fd\u5750\u5728\u90a3\u91cc\u7b49\u7740\u60a8\u4f7f\u7528\u5b83\u4eec\uff0c\u4f46\u662f\u6709\u4e00\u4e2a\u9677\u9631\uff1a<strong>\u4e3a\u4e86\u4f7f\u7535\u5b8c\u6210\u4efb\u4f55\u5de5\u4f5c\uff0c\u5b83\u5fc5\u987b\u80fd\u591f\u79fb\u52a8<\/strong>\u3002\u6709\u70b9\u50cf\u70b8\u5f00\u7684\u6c14\u7403\u3002\u5982\u679c\u5c06\u5176\u634f\u6389\uff0c\u91ca\u653e\u51fa\u6765\u7684\u7a7a\u6c14\u4e2d\u6709\u7a7a\u6c14<em>\u53ef\u4ee5<\/em>\u505a\u4e9b\u4ec0\u4e48\uff0c\u4f46\u662f\u76f4\u5230\u60a8\u653e\u5f00\u5b83\u4e4b\u540e\uff0c\u5b83\u624d\u771f\u6b63\u8d77\u4efb\u4f55\u4f5c\u7528\u3002<\/p>\n\n\n\n<p>\u4e0e\u6c14\u7403\u4e2d\u7684\u7a7a\u6c14\u4e0d\u540c\uff0c\u7535\u6d41\u53ea\u80fd\u6d41\u8fc7\u53ef\u4ee5\u5bfc\u7535\u7684\u6750\u6599\uff0c\u4f8b\u5982\u94dc\u7ebf\u3002\u5982\u679c\u5c06\u7535\u7ebf\u8fde\u63a5\u5230\u7535\u6c60\u6216\u58c1\u88c5\u7535\u6e90\u63d2\u5ea7\u4e0a\uff08<strong>\u8b66\u544a\uff1a<\/strong>\u58c1\u88c5\u7535\u6e90\u63d2\u5ea7\u4e2d\u7684\u7535\u538b\u5f88\u5371\u9669\uff0c\u8bf7\u4e0d\u8981\u8fd9\u6837\u505a\uff01\uff09\uff0c\u60a8\u5c06\u4e3a\u7535\u6d41\u4f9b\u7535\u3002\u4f46\u662f\uff0c\u5982\u679c\u7535\u7ebf\u6ca1\u6709\u4e0e\u5176\u4ed6\u4efb\u4f55\u4e1c\u897f\u8fde\u63a5\uff0c\u5219\u7535\u529b\u5c06\u65e0\u5904\u53ef\u8d70\uff0c\u5e76\u4e14\u4ecd\u7136\u4e0d\u4f1a\u79fb\u52a8\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/cdn.sparkfun.com\/assets\/b\/6\/f\/8\/b\/51140a47ce395fae7e000004.png\"><img decoding=\"async\" src=\"https:\/\/cdn.sparkfun.com\/assets\/b\/6\/f\/8\/b\/51140a47ce395fae7e000004.png\" alt=\"\u66ff\u4ee3\u6587\u5b57\"\/><\/a><\/figure><\/div>\n\n\n\n<p>\u662f\u4ec0\u4e48\u4f7f\u7535\u529b\u8fd0\u52a8\uff1f<strong>\u7535\u529b\u5e0c\u671b\u4ece\u8f83\u9ad8\u7684\u7535\u538b\u6d41\u5411\u8f83\u4f4e\u7684\u7535\u538b\u3002<\/strong>\u8fd9\u5c31\u50cf\u6c14\u7403\u4e00\u6837\uff1a\u6c14\u7403\u4e2d\u7684\u538b\u7f29\u7a7a\u6c14\u8981\u4ece\u6c14\u7403\u5185\u90e8\uff08\u8f83\u9ad8\u7684\u538b\u529b\uff09\u6d41\u5230\u6c14\u7403\u5916\u90e8\uff08\u8f83\u4f4e\u7684\u538b\u529b\uff09\u3002\u5982\u679c\u5728\u8f83\u9ad8\u7535\u538b\u548c\u8f83\u4f4e\u7535\u538b\u4e4b\u95f4\u521b\u5efa\u5bfc\u7535\u8def\u5f84\uff0c\u7535\u6d41\u5c06\u6cbf\u7740\u8be5\u8def\u5f84\u6d41\u52a8\u3002\u5982\u679c\u60a8\u5728\u8be5\u8def\u5f84\u4e2d\u63d2\u5165\u6709\u7528\u7684\u4e1c\u897f\uff08\u4f8b\u5982LED\uff09\uff0c\u90a3\u4e48\u6d41\u52a8\u7684\u7535\u6d41\u5c06\u4e3a\u60a8\u505a\u4e00\u4e9b\u5de5\u4f5c\uff0c\u4f8b\u5982\u70b9\u4eae\u8be5LED\u3002\u5934\u6655\uff01<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/cdn.sparkfun.com\/assets\/c\/7\/a\/6\/8\/51140a47ce395f5c7d000003.png\"><img decoding=\"async\" src=\"https:\/\/cdn.sparkfun.com\/assets\/c\/7\/a\/6\/8\/51140a47ce395f5c7d000003.png\" alt=\"\u66ff\u4ee3\u6587\u5b57\"\/><\/a><\/figure><\/div>\n\n\n\n<p>\u90a3\u4e48\uff0c\u5728\u54ea\u91cc\u53ef\u4ee5\u627e\u5230\u8f83\u9ad8\u7684\u7535\u538b\u548c\u8f83\u4f4e\u7684\u7535\u538b\uff1f\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u77e5\u8bc6\uff1a<strong>\u6bcf\u79cd\u7535\u6e90\u90fd\u6709\u4e24\u4e2a\u65b9\u9762<\/strong>\u3002\u60a8\u53ef\u4ee5\u5728\u4e24\u7aef\u90fd\u6709\u91d1\u5c5e\u76d6\u7684\u7535\u6c60\u4e0a\uff0c\u6216\u8005\u5728\u5899\u4e0a\u6709\u4e24\u4e2a\uff08\u6216\u591a\u4e2a\uff09\u5b54\u7684\u63d2\u5ea7\u4e0a\u770b\u5230\u6b64\u4fe1\u606f\u3002\u5728\u7535\u6c60\u548c\u5176\u4ed6<a href=\"https:\/\/learn.sparkfun.com\/tutorials\/alternating-current-ac-vs-direct-current-dc\/direct-current-dc\">DC\uff08\u76f4\u6d41\uff09<\/a>\u7535\u538b\u6e90\u4e2d\uff0c\u8fd9\u4e9b\u4fa7\u9762\uff08\u901a\u5e38\u79f0\u4e3a<strong>\u7aef\u5b50<\/strong>\uff09\u5206\u522b\u79f0\u4e3a<strong>\u6b63\u6781<\/strong>\uff08\u6216\u201c 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href=\"https:\/\/learn.sparkfun.com\/tutorials\/what-is-a-circuit#franklin\">*<\/a><\/p>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5b66\u5230\u4e86\u4ec0\u4e48\uff1f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7535\u538b\u662f\u6f5c\u5728\u7684\uff0c\u4f46\u8981\u505a\u4efb\u4f55\u6709\u7528\u7684\u4e8b\u90fd\u9700\u8981\u7535\u6d41\u6d41\u52a8\u3002<\/li><li>\u7535\u6d41\u9700\u8981\u4e00\u6761\u6d41\u7ecf\u7684\u8def\u5f84\uff0c\u8be5\u8def\u5f84\u5fc5\u987b\u662f\u8bf8\u5982\u94dc\u7ebf\u4e4b\u7c7b\u7684\u7535\u5bfc\u4f53\u3002<\/li><li>\u7535\u6d41\u5c06\u4ece\u8f83\u9ad8\u7684\u7535\u538b\u6d41\u5411\u8f83\u4f4e\u7684\u7535\u538b\u3002<\/li><li>\u76f4\u6d41\u7535\u538b\u6e90\u59cb\u7ec8\u5177\u6709\u4e24\u4e2a\u9762\uff0c\u5206\u522b\u79f0\u4e3a\u6b63\u548c\u8d1f\uff0c\u5176\u4e2d\u6b63\u4fa7\u7684\u7535\u538b\u6bd4\u8d1f\u4fa7\u7684\u7535\u538b\u9ad8\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u6700\u7b80\u5355\u7684\u7535\u8def\">\u6700\u7b80\u5355\u7684\u7535\u8def<\/h3>\n\n\n\n<p>\u6211\u4eec\u7ec8\u4e8e\u51c6\u5907\u597d\u4e3a\u6211\u4eec\u4f9b\u7535\u4e86\uff01\u5982\u679c\u6211\u4eec\u5c06\u7535\u538b\u6e90\u7684\u6b63\u6781\u8fde\u63a5\u5230\u53ef\u4ee5\u5b8c\u6210\u67d0\u4e9b\u5de5\u4f5c\u7684\u8bbe\u5907\uff08\u4f8b\u5982\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09\uff09\uff0c\u7136\u540e\u518d\u8fde\u63a5\u5230\u7535\u538b\u6e90\u7684\u8d1f\u6781\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u8fde\u63a5\u5230\u7535\u538b\u6e90\u7684\u8d1f\u6781\u3002\u7535\u529b\uff0c\u6216<strong>\u7535\u6d41<\/strong>\uff0c\u5c06\u6d41\u52a8\u3002\u800c\u4e14\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u4e8b\u7269\u653e\u7f6e\u5728\u5f53\u7535\u6d41\u6d41\u8fc7\u5b83\u4eec\u65f6\u4f1a\u505a\u6709\u7528\u7684\u4e8b\u60c5\u7684\u8def\u5f84\u4e2d\uff0c\u4f8b\u5982\u53d1\u5149\u7684LED\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/cdn.sparkfun.com\/assets\/a\/c\/2\/e\/6\/5113f6f5ce395fc77d000002.png\"><img decoding=\"async\" src=\"https:\/\/cdn.sparkfun.com\/assets\/a\/c\/2\/e\/6\/5113f6f5ce395fc77d000002.png\" alt=\"\u66ff\u4ee3\u6587\u5b57\"\/><\/a><\/figure><\/div>\n\n\n\n<p><strong>\u4f7f\u7535\u6d41\u6d41\u52a8\u5e76\u505a\u4e00\u4e9b\u6709\u7528\u7684\u4e8b\u60c5\u603b\u662f\u9700\u8981\u7684\u8fd9\u79cd\u5706\u5f62\u8def\u5f84\u79f0\u4e3a\u7535\u8def\u3002<\/strong>\u7535\u8def\u662f\u4e00\u6761\u5728\u540c\u4e00\u4f4d\u7f6e\u5f00\u59cb\u548c\u7ed3\u675f\u7684\u8def\u5f84\uff0c\u8fd9\u6b63\u662f\u6211\u4eec\u6b63\u5728\u505a\u7684\u4e8b\u60c5\u3002<\/p>\n\n\n\n<p><a href=\"http:\/\/www.falstad.com\/circuit\/#%24+1+5.0E-6+10.20027730826997+50+5.0+50%0Av+224+288+224+160+0+0+40.0+5.0+0.0+0.0+0.5%0Aw+224+288+448+288+0%0A162+448+160+448+224+1+2.1024259+1.0+0.0+0.0%0Ar+448+224+448+288+0+330.0%0Aw+224+160+304+160+0%0As+304+160+368+160+0+0+false%0Aw+448+160+368+160+0%0Ax+266+186+397+190+0+18+switch+%28click+me%29%0Ax+475+198+510+202+0+18+LED%0Ax+485+263+544+267+0+18+resistor%0Ax+138+228+193+232+0+18+battery%0Ax+204+209+215+213+0+18+%2B%0Ax+207+247+213+251+0+18+-%0A\">\u5355\u51fb\u6b64\u94fe\u63a5<\/a>&nbsp;\u53ef\u67e5\u770b\u6d41\u8fc7\u7b80\u5355\u7535\u8def\u7684\u7535\u6d41\u7684\u4eff\u771f\u3002\u6b64\u6a21\u62df\u9700\u8981Java\u624d\u80fd\u8fd0\u884c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\n<p>*\u672c\u6770\u660e\u00b7\u5bcc\u5170\u514b\u6797\uff08Benjamin Franklin\uff09\u6700\u521d\u5199\u9053\uff0c\u7535\u6d41\u4ece\u7535\u538b\u6e90\u7684\u6b63\u6781\u6d41\u5411\u8d1f\u6781\u3002\u4f46\u662f\uff0c\u5bcc\u5170\u514b\u6797\u65e0\u6cd5\u77e5\u9053<a href=\"http:\/\/www.allaboutcircuits.com\/vol_1\/chpt_1\/7.html\">\u7535\u5b50\u5b9e\u9645\u4e0a\u662f\u671d\u76f8\u53cd\u7684\u65b9\u5411\u6d41\u52a8<\/a>-\u5728\u539f\u5b50\u6c34\u5e73\u4e0a\uff0c\u5b83\u4eec\u4ece\u8d1f\u4fa7\u51fa\u6765\u5e76\u8fd4\u56de\u6b63\u4fa7\u3002\u56e0\u4e3a\u5728\u53d1\u73b0\u771f\u76f8\u4e4b\u524d\uff0c\u5de5\u7a0b\u5e08\u4e00\u76f4\u9075\u5faa\u5bcc\u5170\u514b\u6797\u7684\u9886\u5bfc\u6570\u767e\u5e74\uff0c\u6240\u4ee5\u76f4\u5230\u4eca\u5929\uff0c\u6211\u4eec\u4ecd\u7136\u4f7f\u7528\u201c\u9519\u8bef\u7684\u201d\u7ea6\u5b9a\u3002\u5b9e\u9645\u4e0a\u8bb2\u8fd9\u4e2a\u7ec6\u8282\u5e76\u4e0d\u91cd\u8981\uff0c\u53ea\u8981\u6bcf\u4e2a\u4eba\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u7ea6\u5b9a\uff0c\u6211\u4eec\u5c31\u80fd\u6784\u5efa\u4e00\u5207\u6b63\u5e38\u7684\u7535\u8def\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"short-and-open-circuits\">\u77ed\u8def\u548c\u5f00\u8def<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u4ec0\u4e48\u662f-\u8d1f\u8f7d\">\u4ec0\u4e48\u662f\u201c\u8d1f\u8f7d\u201d\uff1f<\/h3>\n\n\n\n<p>\u6211\u4eec\u8981\u5efa\u7acb\u7535\u8def\u7684\u539f\u56e0\u662f\u4f7f\u7535\u529b\u5bf9\u6211\u4eec\u6709\u7528\u3002\u6211\u4eec\u8fd9\u6837\u505a\u7684\u65b9\u6cd5\u662f\u5c06\u4f7f\u7528\u7535\u6d41\u7684\u4e1c\u897f\u653e\u5230\u7535\u8def\u4e2d\u4ee5\u70b9\u4eae\uff0c\u53d1\u51fa\u566a\u97f3\uff0c\u8fd0\u884c\u7a0b\u5e8f\u7b49\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u4e1c\u897f\u79f0\u4e3a<strong>\u8d1f\u8f7d<\/strong>\uff0c\u56e0\u4e3a\u5b83\u4eec\u201c\u8d1f\u8f7d\u201d\u7535\u6e90\uff0c\u5c31\u50cf\u60a8\u968f\u8eab\u643a\u5e26\u4e1c\u897f\u65f6\u201c\u8d1f\u8f7d\u201d\u4e00\u6837\u3002\u7528\u540c\u6837\u7684\u65b9\u6cd5\u53ef\u4ee5\u51cf\u8f7b\u60a8\u7684\u8d1f\u62c5\uff0c\u4e5f\u53ef\u4ee5\u51cf\u8f7b\u7535\u6e90\u7684\u8d1f\u62c5\uff0c\u8fd9\u4f1a\u51cf\u6162\u7535\u6d41\u7684\u6d41\u52a8\u3002\u4f46\u662f\u4e0e\u60a8\u4e0d\u540c\u7684\u662f\uff0c\u4e5f\u53ef\u80fd\u4f7f\u7535\u8def\u7684\u8d1f\u8f7d\u8fc7\u5c11-\u8fd9\u53ef\u80fd\u4f1a\u4f7f\u8fc7\u591a\u7684\u7535\u6d41\u6d41\u8fc7\uff08\u5982\u679c\u60a8\u4e0d\u627f\u53d7\u4efb\u4f55\u91cd\u91cf\uff0c\u60f3\u8c61\u8fd0\u884c\u5f97\u592a\u5feb\uff09\uff0c\u8fd9\u53ef\u80fd\u4f1a\u70e7\u574f\u60a8\u7684\u90e8\u4ef6\u751a\u81f3\u7535\u6e90\u3002<\/p>\n\n\n\n<p>\u5728\u4e0b\u4e00\u6559\u7a0b\u4e2d\uff0c\u60a8\u5c06\u5b66\u4e60\u6709\u5173\u7535\u538b\uff0c\u7535\u6d41\u548c\u8d1f\u8f7d\u7684\u6240\u6709\u4fe1\u606f\uff1a<a href=\"http:\/\/learn.sparkfun.com\/tutorials\/voltage-current-resistance-and-ohms-law\">\u7535\u538b\uff0c\u7535\u6d41\uff0c\u7535\u963b\u548c\u6b27\u59c6\u5b9a\u5f8b<\/a>\u3002\u4f46\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4e86\u89e3\u4e00\u4e0b\u7535\u8def\u7684\u4e24\u79cd\u7279\u6b8a\u60c5\u51b5\uff1a<strong>\u77ed\u8def<\/strong>\u548c<strong>\u5f00\u8def<\/strong>\u3002\u5728\u5bf9\u81ea\u5df1\u7684\u7535\u8def\u8fdb\u884c\u6545\u969c\u6392\u9664\u65f6\uff0c\u4e86\u89e3\u8fd9\u4e9b\u4fe1\u606f\u5c06\u5927\u6709\u5e2e\u52a9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u77ed\u8def\">\u77ed\u8def<\/h3>\n\n\n\n<p>\u8bf7\u52ff\u8fd9\u6837\u505a\uff0c\u4f46\u662f\uff0c\u5982\u679c\u5c06\u7535\u7ebf\u76f4\u63a5\u4ece\u7535\u6e90\u7684\u6b63\u6781\u8fde\u63a5\u5230\u8d1f\u6781\uff0c\u5219\u4f1a\u9020\u6210\u6240\u8c13\u7684<strong>\u77ed\u8def<\/strong>\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u7cdf\u7cd5\u7684\u4e3b\u610f\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/cdn.sparkfun.com\/assets\/e\/6\/9\/2\/b\/5113f781ce395f877e000005.png\"><img decoding=\"async\" src=\"https:\/\/cdn.sparkfun.com\/assets\/e\/6\/9\/2\/b\/5113f781ce395f877e000005.png\" alt=\"\u66ff\u4ee3\u6587\u5b57\"\/><\/a><\/figure><\/div>\n\n\n\n<p>\u8fd9\u4f3c\u4e4e\u662f\u6700\u597d\u7684\u7535\u8def\uff0c\u90a3\u4e3a\u4ec0\u4e48\u4e0d\u662f\u4e2a\u597d\u4e3b\u610f\u5462\uff1f\u8bf7\u8bb0\u4f4f\uff0c\u7535\u6d41\u8981\u4ece\u8f83\u9ad8\u7684\u7535\u538b\u6d41\u5411\u8f83\u4f4e\u7684\u7535\u538b\uff0c\u5982\u679c\u5728\u7535\u6d41\u4e2d\u65bd\u52a0\u8d1f\u8f7d\uff0c\u5219\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u6709\u7528\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u70b9\u4eaeLED\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u786e\u5b9e\u6709\u7535\u6d41\u8d1f\u8f7d\uff0c\u5219\u6d41\u7ecf\u7535\u8def\u7684\u7535\u6d41\u5c06\u9650\u5236\u4e3a\u8bbe\u5907\u6d88\u8017\u7684\u7535\u6d41\uff0c\u901a\u5e38\u5f88\u5c0f\u3002\u4f46\u662f\uff0c\u5982\u679c\u60a8\u4e0d\u653e\u4efb\u4f55\u4e1c\u897f\u6765\u9650\u5236\u7535\u6d41\uff0c\u90a3\u4e48\u5c06\u4e0d\u4f1a\u6709\u4efb\u4f55\u4e1c\u897f\u6765\u51cf\u6162\u7535\u6d41\uff0c\u5b83\u4f1a\u53d8\u5f97\u65e0\u9650\u5927\uff01<\/p>\n\n\n\n<p>\u60a8\u7684\u7535\u6e90\u65e0\u6cd5\u63d0\u4f9b\u65e0\u9650\u7684\u7535\u6d41\uff0c\u4f46\u4f1a\u63d0\u4f9b\u5c3d\u53ef\u80fd\u591a\u7684\u7535\u6d41\uff0c\u8fd9\u53ef\u80fd\u5f88\u591a\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7535\u7ebf\u70e7\u574f\uff0c\u635f\u574f\u7535\u6e90\uff0c\u8017\u5c3d\u7535\u6c60\u6216\u5176\u4ed6\u4ee4\u4eba\u5174\u594b\u7684\u4e1c\u897f\u3002\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u7535\u6e90\u4f1a\u5185\u7f6e\u67d0\u79cd\u5b89\u5168\u673a\u5236\uff0c\u4ee5\u5728\u53d1\u751f\u77ed\u8def\u65f6\u9650\u5236\u6700\u5927\u7535\u6d41\uff0c\u4f46\u5e76\u975e\u603b\u662f\u5982\u6b64\u3002\u8fd9\u5c31\u662f\u6240\u6709\u623f\u5c4b\u548c\u5efa\u7b51\u7269\u90fd\u88c5\u6709<a href=\"http:\/\/en.wikipedia.org\/wiki\/Circuit_breaker\">\u65ad\u8def\u5668<\/a>\u7684\u539f\u56e0\uff0c\u4ee5\u9632\u6b62\u5728\u5e03\u7ebf\u4e2d\u67d0\u5904\u53d1\u751f\u77ed\u8def\u65f6\u5f15\u53d1\u706b\u707e\u3002<\/p>\n\n\n\n<p>\u4e00\u4e2a\u5bc6\u5207\u76f8\u5173\u7684\u95ee\u9898\u662f\u610f\u5916\u5730\u8ba9\u8fc7\u591a\u7684\u7535\u6d41\u6d41\u8fc7\u7535\u8def\u7684\u4e00\u90e8\u5206\uff0c\u5bfc\u81f4\u4e00\u90e8\u5206\u70e7\u6bc1\u3002\u8fd9\u4e0d\u662f\u4e00\u4e2a\u5f88\u77ed\u7684\u7535\u8def\uff0c\u4f46\u662f\u5df2\u7ecf\u5f88\u63a5\u8fd1\u4e86\u3002\u5f53\u60a8\u4f7f\u7528\u4e0d\u6b63\u786e\u7684<strong>\u7535\u963b<\/strong>\u503c\u65f6\uff0c\u901a\u5e38\u4f1a\u53d1\u751f\u8fd9\u79cd\u60c5\u51b5\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u8fc7\u591a\u7684\u7535\u6d41\u6d41\u8fc7\u5176\u4ed6\u7ec4\u4ef6\uff08\u4f8b\u5982LED\uff09\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/cdn.sparkfun.com\/assets\/a\/2\/e\/0\/1\/5114187dce395fdf01000002.png\"><img decoding=\"async\" src=\"https:\/\/cdn.sparkfun.com\/assets\/a\/2\/e\/0\/1\/5114187dce395fdf01000002.png\" alt=\"\u66ff\u4ee3\u6587\u5b57\"\/><\/a><\/figure><\/div>\n\n\n\n<p>\u6700\u91cd\u8981\u7684\u662f\uff1a<strong>\u5982\u679c\u60a8\u53d1\u73b0\u4e1c\u897f\u7a81\u7136\u53d8\u70ed\u6216\u96f6\u4ef6\u7a81\u7136\u70e7\u6bc1\uff0c\u8bf7\u7acb\u5373\u5173\u95ed\u7535\u6e90\uff0c\u5bfb\u627e\u77ed\u8def\u7684\u53ef\u80fd\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5f00\u8def\">\u5f00\u8def<\/h3>\n\n\n\n<p>\u77ed\u8def\u7684\u76f8\u53cd\u662f<strong>\u5f00\u8def<\/strong>\u3002\u8fd9\u662f\u56de\u8def\u672a\u5b8c\u5168\u8fde\u63a5\u7684\u7535\u8def\uff08\u56e0\u6b64\uff0c\u5b83\u5b9e\u9645\u4e0a\u6839\u672c\u4e0d\u662f\u7535\u8def\uff09\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/cdn.sparkfun.com\/assets\/a\/a\/2\/d\/6\/5113f6f5ce395fba7e000003.png\"><img decoding=\"async\" src=\"https:\/\/cdn.sparkfun.com\/assets\/a\/a\/2\/d\/6\/5113f6f5ce395fba7e000003.png\" alt=\"\u66ff\u4ee3\u6587\u5b57\"\/><\/a><\/figure><\/div>\n\n\n\n<p>\u4e0e\u4e0a\u9762\u7684\u77ed\u8def\u4e0d\u540c\uff0c\u6b64\u201c\u7535\u8def\u201d\u4e0d\u4f1a\u4f24\u5bb3\u4efb\u4f55\u4e1c\u897f\uff0c\u4f46\u60a8\u7684\u7535\u8def\u4e5f\u4e0d\u4f1a\u8d77\u4f5c\u7528\u3002\u5982\u679c\u60a8\u4e0d\u719f\u6089\u7535\u8def\uff0c\u901a\u5e38\u5f88\u96be\u627e\u5230\u4e2d\u65ad\u70b9\uff0c\u5c24\u5176\u662f\u5f53\u60a8\u4f7f\u7528\u9690\u85cf\u6240\u6709\u5bfc\u4f53\u7684<a 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href=\"https:\/\/learn.sparkfun.com\/tutorials\/how-to-use-a-multimeter\">\u4e07\u7528\u8868<\/a><\/strong>\u53ef\u80fd\u662f\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\u3002\u5982\u679c\u5c06\u5176\u8bbe\u7f6e\u4e3a\u6d4b\u91cf\u4f0f\u7279\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u68c0\u67e5\u901a\u7535\u7535\u8def\u4e2d\u5404\u4e2a\u70b9\u7684\u7535\u538b\uff0c\u5e76\u6700\u7ec8\u627e\u5230\u7535\u538b\u65e0\u6cd5\u901a\u8fc7\u7684\u70b9\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/learn.sparkfun.com\/tutorials\/what-is-a-circuit\">https:\/\/learn.sparkfun.com\/tutorials\/what-is-a-circuit<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8ff0 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