{"id":530,"date":"2017-02-10T22:47:34","date_gmt":"2017-02-10T14:47:34","guid":{"rendered":"http:\/\/192.168.1.20\/?p=530"},"modified":"2017-02-10T22:47:34","modified_gmt":"2017-02-10T14:47:34","slug":"{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}e5{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}af{47dd41ec6bdcbd9a214c783a3735392b82ea6d1d918378c5a53e0640702d813","status":"publish","type":"post","link":"http:\/\/alextop.top\/?p=530","title":{"rendered":"\u5bf9\u4e8e\u9488\u811a\u51fa\u73b0\u5e72\u6270\u7684\u7406\u89e3"},"content":{"rendered":"<p><span style=\"color:#13253c; font-size:9pt\">\u5bf9\u4e8e\u5b66\u4e60\u8f6f\u4ef6\u7684\u4eba\u6765\u8bf4\uff0c\u8f6f\u4ef6\u7684\u4e16\u754c\u53ea\u67090\u548c1\uff0c\u6240\u4ee5\u6211\u63a5\u89e6\u786c\u4ef6\u4e4b\u524d\u4e5f\u662f\u8fd9\u4e48\u8ba4\u4e3a\u7684\u3002\u6240\u4ee5\u6211\u5728\u4f7f\u7528\u4eba\u4f53\u7ea2\u5916\u611f\u5e94\u7684\u65f6\u5019\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u6211\u8ba4\u4e3a\u53ea\u8981\u8bbe\u7f6eGPIO\u7684\u6a21\u5f0f\u4e3aINPUT\uff0c\u540e\u9762\u53ea\u9700\u8981\u8bfb\u53d6\u9488\u811a\u7684\u72b6\u60010,1\u5c31\u884c\u4e86\u3002\u7ed3\u679c\u6211\u9047\u5230\u4e00\u4e2a\u95ee\u9898\u3002\u5f53\u6211\u5728\u8bbe\u7f6e\u6bd4\u5982pin22\uff08wiringpi\u6807\u53f7\u4e3a6\uff09\u4e3aINPUT\u6a21\u5f0f\uff0c\u63a5\u4e0a\u4e00\u6839\u7ebf\u540e\uff0c\u8fd9\u4e00\u6761\u7ebf\u53e6\u4e00\u7aef\u4ec0\u4e48\u90fd\u4e0d\u63a5\uff0c\u6309\u7406\u8bf4\u8fd9\u65f6\u5e94\u8be5\u8f93\u5165\u4e3a0V\uff0c\u4f46\u662f\u6211\u5c1d\u8bd5\u8bfb\u53d6\u53d1\u73b0\u5e76\u4e0d\u662f\u4e00\u76f4\u4fdd\u6301\u4f4e\u7535\u5e73\uff0c\u800c\u662f\u4e00\u4f1a\u513f\u9ad8\uff0c\u4e00\u4f1a\u4f4e\uff0c\u7528\u624b\u63e1\u4f4f\u53e6\u5916\u4e00\u7aef\u5c31\u4f1a\u8f93\u51fa\u9ad8\u7535\u5e73\u3002\u5f53\u6211\u63a5pin3\uff08wiringPi\u00a0\u6807\u53f7\u4e3a8\uff09\u5374\u59cb\u7ec8\u662f\u9ad8\u7535\u5e73\u3002\u4e0d\u5f97\u4e0d\u67e5\u8be2\u5404\u79cd\u8d44\u6599\uff0c\u53d1\u73b0\u8fd8\u6709\u4e0a\u62c9\u548c\u4e0b\u62c9\u8fd9\u79cd\u8bf4\u6cd5\u3002<br \/>\u00a0\u00a0\u5f53\u6211\u4eec\u7ed9\u4e00\u4e2a\u9488\u811a\u63a5\u5165GND\uff0c\u90a3\u4e48\u5c31\u662f\u4f4e\u7535\u5e73\uff0c\u5982\u679c\u6211\u4eec\u7ed9\u4e00\u4e2a\u9488\u811a3.3V\uff0c\u90a3\u4e48\u5c31\u662f\u9ad8\u7535\u5e73\uff0c\u72b6\u6001\u662f\u5f88\u786e\u5b9a\u7684\u3002\u5982\u679c\u6211\u4eec\u4ec0\u4e48\u90fd\u4e0d\u63a5\uff0c\u90a3\u4e48\u8fd9\u4e2a\u9488\u811a\u5904\u4e8e<strong>\u60ac\u6d6e\u72b6\u6001<\/strong>\uff0c<strong>\u5f88\u5bb9\u6613\u53d7\u5230\u5916\u63a5\u7684\u5e72\u6270\uff0c\u53ef\u80fd\u662f\u9ad8\u4e5f\u53ef\u80fd\u662f\u4f4e\uff0c\u4e5f\u53ef\u80fd\u662f\u5904\u4e8e\u9ad8\u548c\u4f4e\u4e4b\u95f4\u7684\u72b6\u6001<\/strong>\u3002\u8fd9\u65f6\u5019\u6211\u4eec\u5c31\u8981\u660e\u786e\u6307\u5b9a\u8fd9\u4e2a\u9488\u811a\u5e94\u8be5\u5904\u4e8e\u9ad8\u6216\u8005\u4f4e\uff0c\u4e0d\u80fd\u8ba9\u4ed6\u5904\u4e8e\u60ac\u6d6e\u72b6\u6001\u3002\u63a5\u5165\u4e00\u4e2a\u4e0a\u62c9\u7535\u963b\u80fd\u591f\u8ba9\u8fd9\u4e2a\u9488\u811a\u5904\u4e8e\u660e\u786e\u7684\u9ad8\u7535\u5e73\u72b6\u6001\uff0c\u63a5\u5165\u4e00\u4e2a\u4e0b\u62c9\u7535\u963b\u80fd\u591f\u8ba9\u4ed6\u5904\u4e8e\u660e\u786e\u7684\u4f4e\u7535\u5e73\u72b6\u6001\u3002\u524d\u9762\u6211\u4eec\u7528\u4f5c\u8f93\u51fa\u7684\u65f6\u5019\u90fd\u662f\u660e\u786e\u7ed9\u5b9a\u4e86\u8f93\u51fa\u7684\u9ad8\u4f4e\u72b6\u6001\u3002\u5173\u4e8e\u4e0a\u62c9\u7535\u963b\u548c\u4e0b\u62c9\u7535\u963b\uff0c\u6709\u4e00\u7bc7\u82f1\u6587\u89e3\u91ca\u5199\u7684\u5f88\u4e0d\u9519\uff0c\u6211\u4e5f\u662f\u53c2\u8003\u8fd9\u7bc7\u6765\u770b\u7684\uff0c\u91cc\u9762\u7684\u6d4b\u8bd5\u5927\u5bb6\u4e5f\u53ef\u4ee5\u7528\u6811\u8393\u6d3e\u6d4b\u8bd5\u4e00\u4e0b\u3002\uff08http:\/\/www.bit-101.com\/blog\/?p=3813\uff09\u3002<br \/>\u00a0\u00a0PIN3\u59cb\u7ec8\u5904\u4e8e\u9ad8\u7535\u5e73\u72b6\u6001\u662f\u56e0\u4e3a\u3002\u8fd9\u4e2aPIN\u53e3\u662f\u7528\u4e8e\u6811\u8393\u6d3eI2C\u8bbe\u5907\u7684\uff0c\u5185\u90e8\u5916\u63a5\u4e86\u4e00\u4e2a\u7269\u7406\u7684\u4e0a\u62c9\u7535\u963b\u3002\u6240\u4ee5\u4ed6\u7684\u72b6\u6001\u4e00\u76f4\u662f\u9ad8\u7535\u5e73\uff0c\u4f5c\u4e3aINPUT\u4e0d\u80fd\u4f7f\u7528\u8fd9\u4e2aPIN\u3002<br \/>\u00a0\u00a0PIN22\u00a0\u65f6\u9ad8\u65f6\u4f4e\u5c31\u662f\u7531\u4e8e\u5904\u4e8e\u60ac\u6d6e\u72b6\u6001\u3002\u6240\u4ee5\u6211\u4eec\u8981\u4f7f\u7528\u8fd9\u4e2aPIN\u5c31\u6bd4\u5982\u4e3a\u4ed6\u660e\u786e\u6307\u5b9a\u60ac\u6d6e\u7684\u65f6\u5019\u662f\u9ad8\u8fd8\u662f\u4f4e\u3002wiringpi\u901a\u8fc7pullUpDnControl\u6765\u63a7\u5236\u8fd9\u4e2a\u53d8\u91cf\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5bf9\u4e8e\u5b66\u4e60\u8f6f\u4ef6\u7684\u4eba\u6765\u8bf4\uff0c\u8f6f\u4ef6\u7684\u4e16&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,15],"tags":[],"class_list":["post-530","post","type-post","status-publish","format-standard","hentry","category-jishu","category-reapberry"],"_links":{"self":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/530"}],"collection":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=530"}],"version-history":[{"count":0,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/530\/revisions"}],"wp:attachment":[{"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=530"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}