{"id":1824,"date":"2017-12-24T15:07:06","date_gmt":"2017-12-24T07:07:06","guid":{"rendered":"https:\/\/drho.club\/?p=1824"},"modified":"2017-12-24T15:07:06","modified_gmt":"2017-12-24T07:07:06","slug":"arduino-unit-5","status":"publish","type":"post","link":"https:\/\/104.es\/index.php\/2017\/12\/24\/arduino-unit-5\/","title":{"rendered":"[Arduino\u521d\u968e\u5be6\u7fd2] Unit 5\uff1a\u53ef\u8b8a\u96fb\u963b\u8abf\u5149\u5be6\u7fd2"},"content":{"rendered":"<p>\u914d\u5408Unit 4\u7684RGB LED\u7684PWM\u8f38\u51fa\u529f\u80fd\uff0c\u5728\u9019\u500b\u55ae\u5143\u4e2d\u6211\u5011\u5c07\u9023\u63a5\u4e00\u500b\u53ef\u8b8a\u96fb\u963b\uff0c\u8b93Arduino\u53ef\u4ee5\u96a8\u6642\u8b80\u53d6\u53ef\u8b8a\u96fb\u963b\u7684\u5927\u5c0f\uff0c\u6839\u64da\u5b83\u7684\u5927\u5c0f\u4f86\u6c7a\u5b9a\u8981\u8f38\u51fa\u5230RGB LED\u7684\u4eae\u5ea6\u503c\u3002\u7531\u65bc\u96fb\u963b\u662f\u88ab\u52d5\u5143\u4ef6\uff0c\u672c\u8eab\u4e0d\u6703\u7522\u751f\u96fb\u6d41\uff0c\u6c92\u6709\u96fb\u6d41\u5c31\u6c92\u6709\u8fa6\u6cd5\u5075\u5074\u5230\u96fb\u58d3\uff0c\u56e0\u6b64\uff0c\u53ef\u8b8a\u96fb\u963b\u7684\u5169\u7aef\u8981\u5148\u5206\u5225\u63a5\u4e0a5V\u96fb\u6e90\u4ee5\u53ca\u63a5\u5730GND\uff0c\u4f7f\u5176\u4e0a\u6709\u96fb\u6d41\u7684\u6d41\u52d5\u3002\u63a5\u8457\u518d\u628a\u4e2d\u9593\u7684\u90a3\u652f\u63a5\u8173\u63a5\u5230\u6211\u5011\u60f3\u8981\u5075\u5074\u7684\u8f38\u5165\u7aef\uff0c\u5728\u9019\u88e1\u6211\u5011\u4f7f\u7528A1 \u63a5\u8173\u3002\u96fb\u8def\u5716\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p>\uff08\u96fb\u8def\u5716\u6709\u932f\uff0c\u4fee\u6539\u4e2d\uff09<\/p>\n<p>\u9023\u63a5\u5b8c\u6210\u7684\u96fb\u8def\u5716\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/104.es\/wp-content\/uploads\/2017\/12\/2017-12-24-14.56.18.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1829\" src=\"https:\/\/104.es\/wp-content\/uploads\/2017\/12\/2017-12-24-14.56.18.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/104.es\/wp-content\/uploads\/2017\/12\/2017-12-24-14.56.18.jpg 800w, https:\/\/104.es\/wp-content\/uploads\/2017\/12\/2017-12-24-14.56.18-300x169.jpg 300w, https:\/\/104.es\/wp-content\/uploads\/2017\/12\/2017-12-24-14.56.18-768x432.jpg 768w, https:\/\/104.es\/wp-content\/uploads\/2017\/12\/2017-12-24-14.56.18-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>Arduino\u7684\u985e\u6bd4\u8f38\u5165\u90e8\u4efd\u662f\u7531A0-A5\u9019\u5e7e\u652f\u63a5\u8173\u4f86\u8ca0\u8cac\uff0c\u7531\u65bc\u5b83\u5011\u672c\u4f86\u5c31\u662f\u5c08\u8cac\u505a\u70ba\u8f38\u5165\u4e4b\u7528\uff0c\u56e0\u6b64\u5728\u7a0b\u5f0f\u7684setup\u51fd\u6578\u4e2d\u5c31\u4e0d\u9700\u8981\u518d\u8a2d\u5b9a\u5176\u6240\u9700\u8981\u626e\u6f14\u7684\u89d2\u8272\uff0c\u76f4\u63a5\u5728loop\u51fd\u6578\u4e2d\u4f7f\u7528\u5c31\u53ef\u4ee5\u4e86\u3002\u6211\u5011\u4f7f\u7528\u4ee5\u4e0b\u7684\u7a0b\u5f0f\u4f86\u8b93\u53ef\u8b8a\u96fb\u963b\u5177\u6709\u8abf\u5149\u529f\u80fd\uff1a<\/p>\n<p>https:\/\/gist.github.com\/skynettw\/cb656fad441c25e519ec68ad8cbaecdb<\/p>\n<p>\u4e0a\u8ff0\u7684\u7a0b\u5f0f\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86analogRead\u51fd\u6578\u4f86\u8b80\u53d6A1\u7684\u8f38\u5165\u503c\u3002\u7531\u65bc\u5728Arduino\u4e2dA0-A5\u7684\u8f38\u5165\u503c\u7bc4\u570d\u70ba0~1023\uff0c\u800cPWM\u8f38\u51fa\u7684\u7bc4\u570d\u662f0~255\uff0c\u56e0\u6b64\u5728\u8f38\u51fa\u6642\uff0c\u9084\u9700\u8981\u5c0d\u65bc\u4f7f\u7528map\u51fd\u6578\u9032\u884c\u7bc4\u570d\u7684\u8f49\u63db\u3002\u5728\u4e0a\u8ff0\u7684\u7a0b\u5f0f\u4f8b\u4e2d\uff0c\u8b8a\u6578r\u4e2d\u653e\u7684\u662f\u8b80\u53d6\u5230\u7684\u6578\u503c\uff0c\u800c\u8b8a\u6578v\u5247\u662f\u8f49\u63db\u904e\u5c6c\u65bc\u9069\u7576\u7bc4\u570d\u7684\u6578\u503c\uff0c\u4f7f\u7528\u6b64\u6578\u503c\u5c31\u53ef\u4ee5\u900f\u904e\u4e4b\u524d\u8a2d\u8a08\u7684turn\u51fd\u6578\uff0c\u5c0dRGB LED\u9032\u884c\u8f38\u51fa\u3002\u6b64\u7a0b\u5f0f\u7684\u57f7\u884c\u7bc4\u4f8b\u5982\u4e0b\u9762\u7684\u5f71\u7247\u6240\u793a\uff1a<\/p>\n<p><iframe loading=\"lazy\" title=\"\u4f7f\u7528\u53ef\u8b8a\u96fb\u963b\u7684\u8abf\u5149\u5668\u5be6\u7fd2\u7bc4\u4f8b\u5f71\u7247\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/y8wlJUWLIaw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; 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