{"id":1510,"date":"2021-05-27T11:25:11","date_gmt":"2021-05-27T03:25:11","guid":{"rendered":"http:\/\/mgspace.wiki\/docs\/?post_type=docs&#038;p=1510"},"modified":"2021-05-27T11:31:29","modified_gmt":"2021-05-27T03:31:29","slug":"%e7%ba%a2%e5%a4%96%e9%81%bf%e9%9a%9c%e6%a8%a1%e5%9d%97","status":"publish","type":"docs","link":"http:\/\/mgspace.wiki\/docs\/?docs=%e7%ba%a2%e5%a4%96%e9%81%bf%e9%9a%9c%e6%a8%a1%e5%9d%97","title":{"rendered":"\u7ea2\u5916\u907f\u969c\u6a21\u5757"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4ecb\u7ecd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u6280\u672f\u53ef\u89e3\u51b3\u5404\u79cd\u5404\u6837\u7684\u65e0\u7ebf\u5e94\u7528\u3002\u4e3b\u8981\u9886\u57df\u662f\u611f\u5e94\u548c\u9065\u63a7\u5668\u3002\u5728\u7535\u78c1\u5149\u8c31\u4e2d\uff0c\u7ea2\u5916\u90e8\u5206\u5206\u4e3a\u4e09\u4e2a\u533a\u57df\uff1a\u8fd1\u7ea2\u5916\u533a\u57df\uff0c\u4e2d\u7ea2\u5916\u533a\u57df\u548c\u8fdc\u7ea2\u5916\u533a\u57df\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u533a\u57df\u7684\u6ce2\u957f\u53ca\u5176\u5e94\u7528\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8fd1\u7ea2\u5916\u533a\u2014 700 nm\u81f31400 nm \u2014\u7ea2\u5916\u4f20\u611f\u5668\uff0c\u5149\u7ea4<\/li><li>\u4e2d\u7ea2\u5916\u533a\u2014 1400 nm\u81f33000 nm \u2014\u70ed\u654f<\/li><li>\u8fdc\u7ea2\u5916\u533a\u57df-3000 nm\u81f31 mm-\u70ed\u6210\u50cf<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u7684\u9891\u7387\u8303\u56f4\u9ad8\u4e8e\u5fae\u6ce2\uff0c\u4f46\u5c0f\u4e8e\u53ef\u89c1\u5149\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"648\" height=\"270\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/art_019_IR_sensor.png\" alt=\"\" class=\"wp-image-1511\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/art_019_IR_sensor.png 648w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/art_019_IR_sensor-500x208.png 500w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5149\u5b66\u4f20\u611f\u548c\u5149\u5b66\u901a\u4fe1\uff0c\u8fd1\u7ea2\u5916\u533a\u57df\u4f7f\u7528\u4e86\u5149\u7535\u6280\u672f\uff0c\u56e0\u4e3a\u5f53\u5b9e\u73b0\u4e3a\u4fe1\u53f7\u6e90\u65f6\uff0c\u5149\u7684\u590d\u6742\u5ea6\u4e0d\u5982RF\u3002\u5149\u5b66<a href=\"https:\/\/www.electronicshub.org\/wireless-communication-introduction-types-applications\/\">\u65e0\u7ebf\u901a\u4fe1<\/a>\u901a\u8fc7IR\u6570\u636e\u4f20\u8f93\u5b8c\u6210\uff0c\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u5e94\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u4f20\u611f\u5668\u53d1\u51fa\u548c\/\u6216\u68c0\u6d4b\u7ea2\u5916\u8f90\u5c04\u4ee5\u611f\u6d4b\u5176\u5468\u56f4\u73af\u5883\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4efb\u4f55\u7ea2\u5916\u4f20\u611f\u5668\u7684\u5de5\u4f5c\u90fd\u53d7\u4ee5\u4e0b\u4e09\u4e2a\u6cd5\u5f8b\u7ea6\u675f\uff1a\u666e\u6717\u514b\u8f90\u5c04\u5b9a\u5f8b\uff0c\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5b9a\u5f8b\u548c\u7ef4\u6069\u4f4d\u79fb\u5b9a\u5f8b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u666e\u6717\u514b\u5b9a\u5f8b\u6307\u51fa\u201c\u6bcf\u4e2a\u7269\u4f53\u90fd\u5728\u4e0d\u7b49\u4e8e0&nbsp;<sup>0<\/sup>&nbsp;K\u7684\u6e29\u5ea6\u4e0b\u53d1\u5c04\u8f90\u5c04&nbsp;\u201d\u3002\u65af\u8482\u82ac-\u73bb\u5c14\u5179\u66fc\u5b9a\u5f8b\u6307\u51fa\uff0c\u201c\u5728\u6240\u6709\u6ce2\u957f\u4e0b\uff0c\u9ed1\u4f53\u53d1\u51fa\u7684\u603b\u80fd\u91cf\u4e0e\u7edd\u5bf9\u6e29\u5ea6\u7684\u56db\u6b21\u65b9\u6210\u6b63\u6bd4\u201d\u3002\u6839\u636e\u7ef4\u6069\u4f4d\u79fb\u5b9a\u5f8b\uff0c\u201c\u9ed1\u4f53\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u8f90\u5c04\u66f2\u7ebf\u5c06\u5728\u4e0e\u6e29\u5ea6\u6210\u53cd\u6bd4\u7684\u6ce2\u957f\u5904\u8fbe\u5230\u5176\u5cf0\u503c\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528\u4f5c\u969c\u788d\u68c0\u6d4b\u5668\u7684\u7ea2\u5916\u4f20\u611f\u5668\u7684\u57fa\u672c\u6982\u5ff5\u662f\u4f20\u8f93\u7ea2\u5916\u4fe1\u53f7\uff0c\u8be5\u7ea2\u5916\u4fe1\u53f7\u4ece\u7269\u4f53\u8868\u9762\u53cd\u5c04\uff0c\u7136\u540e\u5728\u7ea2\u5916\u63a5\u6536\u5668\u5904\u63a5\u6536\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u7ea2\u5916\u68c0\u6d4b\u7cfb\u7edf\u4f7f\u7528\u4e94\u4e2a\u57fa\u672c\u5143\u7d20\uff1a\u7ea2\u5916\u6e90\uff0c\u4f20\u8f93\u4ecb\u8d28\uff0c\u5149\u5b66\u7ec4\u4ef6\uff0c\u7ea2\u5916\u68c0\u6d4b\u5668\u6216\u63a5\u6536\u5668\u4ee5\u53ca\u4fe1\u53f7\u5904\u7406\u3002\u7279\u5b9a\u6ce2\u957f\u7684\u7ea2\u5916\u6fc0\u5149\u548c\u7ea2\u5916LED\u53ef\u7528\u4f5c\u7ea2\u5916\u6e90\u3002\u7528\u4e8e\u7ea2\u5916\u4f20\u8f93\u7684\u4e09\u79cd\u4e3b\u8981\u7c7b\u578b\u7684\u4ecb\u8d28\u662f\u771f\u7a7a\uff0c\u5927\u6c14\u548c\u5149\u7ea4\u3002\u5149\u5b66\u7ec4\u4ef6\u7528\u4e8e\u805a\u7126\u7ea2\u5916\u8f90\u5c04\u6216\u9650\u5236\u5149\u8c31\u54cd\u5e94\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u77f3\u82f1\uff0c\u9517\u548c\u7845\u5236\u6210\u7684\u5149\u5b66\u900f\u955c\u7528\u4e8e\u805a\u7126\u7ea2\u5916\u8f90\u5c04\u3002\u7ea2\u5916\u63a5\u6536\u5668\u53ef\u4ee5\u662f\u5149\u7535\u4e8c\u6781\u7ba1\uff0c\u5149\u7535\u6676\u4f53\u7ba1\u7b49\u3002\u7ea2\u5916\u63a5\u6536\u5668\u7684\u4e00\u4e9b\u91cd\u8981\u89c4\u683c\u662f\u5149\u654f\u6027\uff0c\u68c0\u6d4b\u6027\u548c\u566a\u58f0\u7b49\u6548\u529f\u7387\u3002\u4fe1\u53f7\u5904\u7406\u7531\u653e\u5927\u5668\u5b8c\u6210\uff0c\u56e0\u4e3a\u7ea2\u5916\u68c0\u6d4b\u5668\u7684\u8f93\u51fa\u5f88\u5c0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ea2\u5916\u4f20\u611f\u5668\u7684\u7c7b\u578b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u4f20\u611f\u5668\u53ef\u4ee5\u662f\u88ab\u52a8\u7684\u4e5f\u53ef\u4ee5\u662f\u4e3b\u52a8\u7684\u3002\u88ab\u52a8\u7ea2\u5916\u4f20\u611f\u5668\u57fa\u672c\u4e0a\u662f\u7ea2\u5916\u63a2\u6d4b\u5668\u3002\u65e0\u6e90\u7ea2\u5916\u4f20\u611f\u5668\u4e0d\u4f7f\u7528\u4efb\u4f55\u7ea2\u5916\u6e90\uff0c\u800c\u662f\u68c0\u6d4b\u89c6\u91ce\u4e2d\u969c\u788d\u7269\u53d1\u51fa\u7684\u80fd\u91cf\u3002\u5b83\u4eec\u6709\u4e24\u79cd\u7c7b\u578b\uff1a\u91cf\u5b50\u548c\u70ed\u3002\u70ed\u7ea2\u5916\u4f20\u611f\u5668\u4f7f\u7528\u7ea2\u5916\u80fd\u91cf\u4f5c\u4e3a\u70ed\u6e90\uff0c\u5e76\u4e14\u4e0e\u6ce2\u957f\u65e0\u5173\u3002\u70ed\u7535\u5076\uff0c\u70ed\u7535\u63a2\u6d4b\u5668\u548c\u8f90\u5c04\u70ed\u8ba1\u662f\u70ed\u7ea2\u5916\u63a2\u6d4b\u5668\u7684\u5e38\u89c1\u7c7b\u578b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cf\u5b50\u578b\u7ea2\u5916\u63a2\u6d4b\u5668\u63d0\u4f9b\u66f4\u9ad8\u7684\u68c0\u6d4b\u6027\u80fd\uff0c\u5e76\u4e14\u6bd4\u70ed\u578b\u7ea2\u5916\u63a2\u6d4b\u5668\u66f4\u5feb\u3002\u91cf\u5b50\u578b\u63a2\u6d4b\u5668\u7684\u5149\u654f\u6027\u4e0e\u6ce2\u957f\u6709\u5173\u3002\u91cf\u5b50\u7c7b\u578b\u68c0\u6d4b\u5668\u8fdb\u4e00\u6b65\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a\u672c\u5f81\u578b\u548c\u975e\u672c\u5f81\u578b\u3002\u672c\u5f81\u578b\u91cf\u5b50\u68c0\u6d4b\u5668\u662f\u5149\u7535\u5bfc\u7535\u6c60\u548c\u5149\u4f0f\u7535\u6c60\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u6e90\u7ea2\u5916\u4f20\u611f\u5668\u7531\u4e24\u4e2a\u5143\u7d20\u7ec4\u6210\uff1a\u7ea2\u5916\u6e90\u548c\u7ea2\u5916\u68c0\u6d4b\u5668\u3002\u7ea2\u5916\u5149\u6e90\u5305\u62ecLED\u6216\u7ea2\u5916\u6fc0\u5149\u4e8c\u6781\u7ba1\u3002\u7ea2\u5916\u63a2\u6d4b\u5668\u5305\u62ec\u5149\u7535\u4e8c\u6781\u7ba1\u6216\u5149\u7535\u6676\u4f53\u7ba1\u3002\u7ea2\u5916\u6e90\u53d1\u51fa\u7684\u80fd\u91cf\u88ab\u7269\u4f53\u53cd\u5c04\u5e76\u843d\u5728\u7ea2\u5916\u63a2\u6d4b\u5668\u4e0a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/1.-IR-Sensors.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/1.-IR-Sensors.jpg\" alt=\"1.\u7ea2\u5916\u4f20\u611f\u5668\" class=\"wp-image-5551\"\/><\/a><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ea2\u5916\u7ebf\u53d1\u5c04\u5668<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u53d1\u5c04\u5668\u662f\u4e00\u79cd\u53d1\u5c04\u7ea2\u5916\u8f90\u5c04\u7684\u53d1\u5149\u4e8c\u6781\u7ba1\uff08LED\uff09\u3002\u56e0\u6b64\uff0c\u5b83\u4eec\u88ab\u79f0\u4e3aIR LED\u3002\u5373\u4f7fIR LED\u770b\u8d77\u6765\u50cf\u666e\u901aLED\uff0c\u4f46\u5b83\u53d1\u51fa\u7684\u8f90\u5c04\u5bf9\u4e8e\u4eba\u773c\u662f\u4e0d\u53ef\u89c1\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u7ea2\u5916LED\u7684\u56fe\u7247\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/IR-LED.png\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/IR-LED.png\" alt=\"\u7ea2\u5916\u706f\" class=\"wp-image-5558\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u53d1\u5c04\u5668\u7684\u7c7b\u578b\u4e0d\u540c\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5b83\u4eec\u7684\u6ce2\u957f\uff0c\u8f93\u51fa\u529f\u7387\u548c\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u4f7f\u7528\u7ea2\u5916LED\uff0c\u9650\u6d41\u7535\u963b\u548c\u7535\u6e90\u6765\u6784\u5efa\u7b80\u5355\u7684\u7ea2\u5916\u53d1\u5c04\u5668\u3002\u5178\u578b\u7684\u7ea2\u5916\u53d1\u5c04\u5668\u7684\u539f\u7406\u56fe\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/2.-Infrared-Transmitter.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/2.-Infrared-Transmitter.jpg\" alt=\"2.\u7ea2\u5916\u7ebf\u53d1\u5c04\u5668\" class=\"wp-image-5552\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4ee55V\u7684\u7535\u6e90\u5de5\u4f5c\u65f6\uff0c\u7ea2\u5916\u53d1\u5c04\u5668\u6d88\u8017\u5927\u7ea63\u52305 mA\u7684\u7535\u6d41\u3002\u53ef\u4ee5\u8c03\u5236\u7ea2\u5916\u53d1\u5c04\u5668\u4ee5\u4ea7\u751f\u7279\u5b9a\u9891\u7387\u7684\u7ea2\u5916\u5149\u3002\u6700\u5e38\u7528\u7684\u8c03\u5236\u662fOOK\uff08ON-OFF-KEYING\uff09\u8c03\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u53d1\u5c04\u5668\u53ef\u4ee5\u5728\u51e0\u79cd\u5e94\u7528\u4e2d\u627e\u5230\u3002\u4e00\u4e9b\u5e94\u7528\u9700\u8981\u7ea2\u5916\u70ed\uff0c\u6700\u597d\u7684\u7ea2\u5916\u6e90\u662f\u7ea2\u5916\u53d1\u5c04\u5668\u3002\u5f53\u7ea2\u5916\u53d1\u5c04\u5668\u4e0eQuartz\u4e00\u8d77\u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u5236\u9020\u592a\u9633\u80fd\u7535\u6c60\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ea2\u5916\u7ebf\u63a5\u6536\u5668<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u63a5\u6536\u5668\u4e5f\u79f0\u4e3a\u7ea2\u5916\u4f20\u611f\u5668\uff0c\u56e0\u4e3a\u5b83\u4eec\u68c0\u6d4b\u6765\u81eaIR\u53d1\u5c04\u5668\u7684\u8f90\u5c04\u3002\u7ea2\u5916\u63a5\u6536\u5668\u4ee5\u5149\u7535\u4e8c\u6781\u7ba1\u548c\u5149\u7535\u6676\u4f53\u7ba1\u7684\u5f62\u5f0f\u51fa\u73b0\u3002\u7ea2\u5916\u5149\u7535\u4e8c\u6781\u7ba1\u4e0e\u666e\u901a\u5149\u7535\u4e8c\u6781\u7ba1\u4e0d\u540c\uff0c\u56e0\u4e3a\u5b83\u4eec\u4ec5\u68c0\u6d4b\u7ea2\u5916\u8f90\u5c04\u3002\u5178\u578b\u7684\u7ea2\u5916\u63a5\u6536\u5668\u6216\u5149\u7535\u4e8c\u6781\u7ba1\u7684\u56fe\u7247\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/IR-Receiver.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/IR-Receiver.jpg\" alt=\"\u7ea2\u5916\u7ebf\u63a5\u6536\u5668\" class=\"wp-image-5564\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u6ce2\u957f\uff0c\u7535\u538b\uff0c\u5c01\u88c5\u7b49\u4e0d\u540c\uff0c\u5b58\u5728\u4e0d\u540c\u7c7b\u578b\u7684IR\u63a5\u6536\u5668\u3002\u5728\u7ea2\u5916\u53d1\u5c04\u5668\uff0d\u63a5\u6536\u5668\u7ec4\u5408\u4e2d\u4f7f\u7528\u65f6\uff0c\u63a5\u6536\u5668\u7684\u6ce2\u957f\u5e94\u4e0e\u53d1\u5c04\u5668\u7684\u6ce2\u957f\u5339\u914d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u9762\u663e\u793a\u4e86\u4f7f\u7528\u5149\u7535\u6676\u4f53\u7ba1\u7684\u5178\u578b\u7ea2\u5916\u63a5\u6536\u5668\u7535\u8def\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/3.-Infrared-Receiver.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/3.-Infrared-Receiver.jpg\" alt=\"3.\u7ea2\u5916\u63a5\u6536\u5668\" class=\"wp-image-5553\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u7531\u4e00\u4e2a\u7ea2\u5916\u5149\u7535\u6676\u4f53\u7ba1\uff0c\u4e00\u4e2a\u4e8c\u6781\u7ba1\uff0c\u4e00\u4e2aMOSFET\uff0c\u4e00\u4e2a\u7535\u4f4d\u8ba1\u548c\u4e00\u4e2aLED\u7ec4\u6210\u3002\u5f53\u5149\u7535\u6676\u4f53\u7ba1\u63a5\u6536\u5230\u4efb\u4f55\u7ea2\u5916\u8f90\u5c04\u65f6\uff0c\u7535\u6d41\u5c31\u4f1a\u6d41\u8fc7\u8be5\u6676\u4f53\u7ba1\uff0c\u5e76\u4e14MOSFET\u5bfc\u901a\u3002\u8fd9\u53cd\u8fc7\u6765\u4f1a\u70b9\u4eae\u5145\u5f53\u8d1f\u8f7d\u7684LED\u3002\u7535\u4f4d\u5668\u7528\u4e8e\u63a7\u5236\u5149\u7535\u6676\u4f53\u7ba1\u7684\u7075\u654f\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5de5\u4f5c\u539f\u7406<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u4f7f\u7528\u4e0b\u56fe\u8bf4\u660e\u5c06IR\u4f20\u611f\u5668\u7528\u4f5c\u5bf9\u8c61\u68c0\u6d4b\u4f20\u611f\u5668\u7684\u539f\u7406\u3002\u7ea2\u5916\u4f20\u611f\u5668\u7531\u4e00\u4e2a\u7ea2\u5916LED\u548c\u4e00\u4e2a\u7ea2\u5916\u5149\u7535\u4e8c\u6781\u7ba1\u7ec4\u6210\u3002\u5b83\u4eec\u4e00\u8d77\u88ab\u79f0\u4e3a\u7167\u7247\u2013\u8026\u5408\u5668\u6216\u5149\u7535\u2013\u8026\u5408\u5668\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/4.-Working-principle-of-IR-sensor.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/4.-Working-principle-of-IR-sensor.jpg\" alt=\"4.\u7ea2\u5916\u4f20\u611f\u5668\u7684\u5de5\u4f5c\u539f\u7406\" class=\"wp-image-5554\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7ea2\u5916\u53d1\u5c04\u5668\u53d1\u51fa\u8f90\u5c04\u65f6\uff0c\u5b83\u4f1a\u5230\u8fbe\u7269\u4f53\uff0c\u5e76\u4e14\u4e00\u4e9b\u8f90\u5c04\u4f1a\u53cd\u5c04\u56de\u7ea2\u5916\u63a5\u6536\u5668\u3002\u6839\u636e\u7ea2\u5916\u63a5\u6536\u5668\u7684\u63a5\u6536\u5f3a\u5ea6\uff0c\u5b9a\u4e49\u4f20\u611f\u5668\u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u969c\u788d\u7269\u611f\u5e94\u7535\u8def\u6216\u7ea2\u5916\u4f20\u611f\u5668\u7535\u8def<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u7ea2\u5916\u611f\u5e94\u7535\u8def\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/5.-IR-Sensor-Circuit.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/5.-IR-Sensor-Circuit.jpg\" alt=\"5.\u7ea2\u5916\u4f20\u611f\u5668\u7535\u8def\" class=\"wp-image-5555\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u7531\u4e00\u4e2a\u7ea2\u5916LED\uff0c\u4e00\u4e2a\u5149\u7535\u4e8c\u6781\u7ba1\uff0c\u4e00\u4e2a\u7535\u4f4d\u8ba1\uff0c\u4e00\u4e2aIC\u8fd0\u7b97\u653e\u5927\u5668\u548c\u4e00\u4e2aLED\u7ec4\u6210\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IR LED\u53d1\u51fa\u7ea2\u5916\u5149\u3002\u5149\u7535\u4e8c\u6781\u7ba1\u68c0\u6d4b\u7ea2\u5916\u5149\u3002IC Op \u2013 Amp\u7528\u4f5c\u7535\u538b\u6bd4\u8f83\u5668\u3002\u7535\u4f4d\u5668\u7528\u4e8e\u6839\u636e\u9700\u8981\u6821\u51c6\u4f20\u611f\u5668\u7684\u8f93\u51fa\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53IR LED\u53d1\u5c04\u7684\u5149\u649e\u51fb\u7269\u4f53\u540e\u5165\u5c04\u5230\u5149\u7535\u4e8c\u6781\u7ba1\u4e0a\u65f6\uff0c\u5149\u7535\u4e8c\u6781\u7ba1\u7684\u7535\u963b\u5c06\u4ece\u5de8\u5927\u7684\u503c\u4e0b\u964d\u3002\u8fd0\u7b97\u653e\u5927\u5668\u7684\u8f93\u5165\u4e4b\u4e00\u662f\u7531\u7535\u4f4d\u8ba1\u8bbe\u7f6e\u7684\u9608\u503c\u3002\u8fd0\u7b97\u653e\u5927\u5668\u7684\u53e6\u4e00\u4e2a\u8f93\u5165\u6765\u81ea\u5149\u7535\u4e8c\u6781\u7ba1\u7684\u4e32\u8054\u7535\u963b\u3002\u5f53\u5165\u5c04\u8f90\u5c04\u66f4\u591a\u5730\u5165\u5c04\u5728\u5149\u7535\u4e8c\u6781\u7ba1\u4e0a\u65f6\uff0c\u4e32\u8054\u7535\u963b\u4e24\u7aef\u7684\u7535\u538b\u964d\u5c06\u5f88\u9ad8\u3002\u5728IC\u4e2d\uff0c\u6bd4\u8f83\u9608\u503c\u7535\u538b\u548c\u4e32\u8054\u7535\u963b\u4e24\u7aef\u7684\u7535\u538b\u3002\u5982\u679c\u7535\u963b\u4e32\u8054\u5230\u5149\u7535\u4e8c\u6781\u7ba1\u7684\u7535\u538b\u5927\u4e8e\u9608\u503c\u7535\u538b\uff0c\u5219IC Op \u2013 Amp\u7684\u8f93\u51fa\u4e3a\u9ad8\u3002\u5f53IC\u7684\u8f93\u51fa\u8fde\u63a5\u5230LED\u65f6\uff0c\u5b83\u70b9\u4eae\u3002\u53ef\u4ee5\u6839\u636e\u73af\u5883\u6761\u4ef6\u901a\u8fc7\u8c03\u8282\u7535\u4f4d\u5668\u6765\u8c03\u8282\u9608\u503c\u7535\u538b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IR LED\u548cIR\u63a5\u6536\u5668\u7684\u4f4d\u7f6e\u662f\u91cd\u8981\u56e0\u7d20\u3002\u5f53IR LED\u76f4\u63a5\u4f4d\u4e8eIR\u63a5\u6536\u5668\u7684\u524d\u9762\u65f6\uff0c\u6b64\u8bbe\u7f6e\u79f0\u4e3a\u76f4\u63a5\u5165\u5c04\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6765\u81eaIR LED\u7684\u51e0\u4e4e\u6240\u6709\u8f90\u5c04\u90fd\u5c06\u843d\u5728IR\u63a5\u6536\u5668\u4e0a\u3002\u56e0\u6b64\uff0c\u7ea2\u5916\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u4e4b\u95f4\u5b58\u5728\u89c6\u7ebf\u901a\u4fe1\u3002\u5982\u679c\u7269\u4f53\u843d\u5728\u8be5\u76f4\u7ebf\u4e0a\uff0c\u5219\u5b83\u4f1a\u901a\u8fc7\u53cd\u5c04\u8f90\u5c04\u6216\u5438\u6536\u8f90\u5c04\u6765\u963b\u6b62\u8f90\u5c04\u5230\u8fbe\u63a5\u6536\u5668\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u533a\u5206\u9ed1\u767d\u989c\u8272<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ed1\u8272\u901a\u5e38\u5438\u6536\u5165\u5c04\u5728\u5176\u4e0a\u7684\u5168\u90e8\u8f90\u5c04\uff0c\u800c\u767d\u8272\u5219\u53cd\u5c04\u5165\u5c04\u5728\u5176\u4e0a\u7684\u5168\u90e8\u8f90\u5c04\u662f\u666e\u904d\u7684\u3002\u57fa\u4e8e\u6b64\u539f\u7406\uff0c\u53ef\u4ee5\u8fdb\u884c\u4f20\u611f\u5668\u5bf9\u7684\u7b2c\u4e8c\u6b21\u5b9a\u4f4d\u3002IR LED\u548c\u5149\u7535\u4e8c\u6781\u7ba1\u5e76\u6392\u653e\u7f6e\u3002\u5f53\u7ea2\u5916\u53d1\u5c04\u5668\u53d1\u5c04\u7ea2\u5916\u8f90\u5c04\u65f6\uff0c\u7531\u4e8e\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u4e4b\u95f4\u6ca1\u6709\u76f4\u63a5\u63a5\u89e6\u7ebf\uff0c\u56e0\u6b64\u53d1\u5c04\u7684\u8f90\u5c04\u5fc5\u987b\u5728\u78b0\u5230\u4efb\u4f55\u7269\u4f53\u540e\u53cd\u5c04\u56de\u5149\u7535\u4e8c\u6781\u7ba1\u3002\u7269\u4f53\u7684\u8868\u9762\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a\u53cd\u5c04\u8868\u9762\u548c\u975e\u53cd\u5c04\u8868\u9762\u3002\u5982\u679c\u7269\u4f53\u8868\u9762\u672c\u8d28\u4e0a\u662f\u53cd\u5c04\u6027\u7684\uff0c\u5373\u5b83\u662f\u767d\u8272\u6216\u5176\u4ed6\u6d45\u8272\uff0c\u5219\u5165\u5c04\u5728\u5176\u4e0a\u7684\u5927\u90e8\u5206\u8f90\u5c04\u5c06\u88ab\u53cd\u5c04\u56de\u5e76\u5230\u8fbe\u5149\u7535\u4e8c\u6781\u7ba1\u3002\u6839\u636e\u53cd\u5c04\u56de\u6765\u7684\u8f90\u5c04\u5f3a\u5ea6\uff0c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u7269\u4f53\u8868\u9762\u672c\u8d28\u4e0a\u662f\u975e\u53cd\u5c04\u6027\u7684\uff0c\u5373\u5b83\u662f\u9ed1\u8272\u6216\u5176\u4ed6\u6df1\u8272\uff0c\u5b83\u51e0\u4e4e\u5438\u6536\u4e86\u5165\u5c04\u5728\u5176\u4e0a\u7684\u6240\u6709\u8f90\u5c04\u3002\u7531\u4e8e\u6ca1\u6709\u53cd\u5c04\u8f90\u5c04\uff0c\u56e0\u6b64\u6ca1\u6709\u5165\u5c04\u5149\u5165\u5c04\u5728\u5149\u7535\u4e8c\u6781\u7ba1\u4e0a\uff0c\u5e76\u4e14\u5149\u7535\u4e8c\u6781\u7ba1\u7684\u7535\u963b\u4fdd\u6301\u8f83\u9ad8\uff0c\u4e0d\u5141\u8bb8\u7535\u6d41\u901a\u8fc7\u3002\u8fd9\u79cd\u60c5\u51b5\u7c7b\u4f3c\u4e8e\u6839\u672c\u6ca1\u6709\u7269\u4f53\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8ff0\u65b9\u6848\u7684\u56fe\u793a\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/6.-Distinguishing-Between-Black-and-White-Colors.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/6.-Distinguishing-Between-Black-and-White-Colors.jpg\" alt=\"6.\u533a\u5206\u9ed1\u767d\u989c\u8272\" class=\"wp-image-5556\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ea2\u5916\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u7684\u5b9a\u4f4d\u548c\u5c01\u88c5\u975e\u5e38\u91cd\u8981\u3002\u53d1\u5c04\u5668\u548c\u63a5\u6536\u5668\u90fd\u5fc5\u987b\u4ee5\u4e00\u5b9a\u89d2\u5ea6\u653e\u7f6e\uff0c\u4ee5\u4fbf\u6b63\u786e\u68c0\u6d4b\u7269\u4f53\u3002\u8be5\u89d2\u5ea6\u662f\u4f20\u611f\u5668\u7684\u65b9\u5411\u6027\uff0c\u4e3a+\/- 45\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65b9\u5411\u6027\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><a href=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/7.-directivity.jpg\"><img decoding=\"async\" src=\"https:\/\/www.electronicshub.org\/wp-content\/uploads\/2015\/01\/7.-directivity.jpg\" alt=\"7.\u65b9\u5411\u6027\" class=\"wp-image-5557\"\/><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u907f\u514d\u6765\u81ea\u5468\u56f4\u7269\u4f53\uff08\u4e0d\u662f\u7269\u4f53\uff09\u7684\u53cd\u5c04\uff0c\u5fc5\u987b\u6b63\u786e\u5c01\u88c5\u7ea2\u5916\u53d1\u5c04\u5668\u548c\u7ea2\u5916\u63a5\u6536\u5668\u3002\u901a\u5e38\uff0c\u5916\u58f3\u7531\u5851\u6599\u5236\u6210\uff0c\u5e76\u6d82\u6709\u9ed1\u8272\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f16\u7a0b\u793a\u4f8b\uff1a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u4e32\u53e3\u8fd4\u56de\u524d\u65b9\u969c\u788d\u7269\u7684\u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#define IR 2   \nint detection = HIGH;    \/\/ no obstacle\nvoid setup() {\n  Serial.begin(9600);   \n  pinMode(IR, INPUT); \n}\nvoid loop() {  \n  detection = digitalRead(IR);\n  if(detection == LOW){\n    Serial.print(\"There is an obstacle!\\n\");\n  }\n  else{ \n    Serial.print(\"No obstacle!\\n\");\n  }\n  delay(500);    \/\/ in ms\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u63a7\u5236LED<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#define IR 2    \/\/ digital pin input for ir sensor\nint detection = HIGH;    \/\/ no obstacle\nint i = 0;\n\/\/ array digital pin for: green led(3,4,5) - white led (6,7,8)- red led (9,10,11)\nint LedPIN[] = {3, 4, 5, 6, 7, 8, 9, 10, 11};   \n \nvoid setup() {\n  pinMode(IR, INPUT);\n  for(i = 0; i &lt; 9; i++){\n    pinMode(LedPIN[i], OUTPUT);   \n  } \n}\nvoid loop() {\n  detection = digitalRead(IR);\n  if(detection == LOW){ \n    BlinkLED();\n  }          \n  else{                 \n    LedOFF();\n  }      \n  delay(1);\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">reference\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.electronicshub.org\/ir-sensor\/\">https:\/\/www.electronicshub.org\/ir-sensor\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ecb\u7ecd \u7ea2\u5916\u6280\u672f\u53ef\u89e3\u51b3\u5404\u79cd\u5404\u6837\u7684\u65e0\u7ebf\u5e94\u7528\u3002\u4e3b\u8981\u9886\u57df\u662f\u611f\u5e94\u548c\u9065\u63a7\u5668\u3002\u5728\u7535\u78c1\u5149\u8c31\u4e2d\uff0c\u7ea2\u5916\u90e8\u5206\u5206\u4e3a\u4e09\u4e2a\u533a\u57df\uff1a\u8fd1\u7ea2\u5916\u533a\u57df &hellip; <a href=\"http:\/\/mgspace.wiki\/docs\/?docs=%e7%ba%a2%e5%a4%96%e9%81%bf%e9%9a%9c%e6%a8%a1%e5%9d%97\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u7ea2\u5916\u907f\u969c\u6a21\u5757\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[34],"doc_tag":[],"class_list":["post-1510","docs","type-docs","status-publish","hentry","doc_category-coding"],"_links":{"self":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1510"}],"version-history":[{"count":4,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1510\/revisions"}],"predecessor-version":[{"id":1516,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1510\/revisions\/1516"}],"wp:attachment":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1510"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=1510"},{"taxonomy":"doc_tag","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=1510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}