{"id":696,"date":"2022-05-28T16:06:36","date_gmt":"2022-05-28T08:06:36","guid":{"rendered":"https:\/\/usei.cn\/?p=696"},"modified":"2022-05-28T16:06:37","modified_gmt":"2022-05-28T08:06:37","slug":"%e8%b6%85%e5%a3%b0%e6%b3%a2","status":"publish","type":"post","link":"https:\/\/usei.cn\/index.php\/2022\/05\/28\/%e8%b6%85%e5%a3%b0%e6%b3%a2\/","title":{"rendered":"\u8d85\u58f0\u6ce2"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/image-11.png\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/image-11.png'><img class=\"lazyload lazyload-style-3\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"553\" height=\"389\" data-original=\"https:\/\/usei.cn\/wp-content\/uploads\/2022\/05\/image-11.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-697\"  sizes=\"auto, (max-width: 553px) 100vw, 553px\" \/><\/div><\/a><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>const int TrigPin = 2; \/\/ D4\r\nconst int EchoPin = 0; \/\/ D3\r\nfloat cm;\r\nvoid setup()\r\n{\r\nSerial.begin(9600);\r\npinMode(TrigPin, OUTPUT);\r\npinMode(EchoPin, INPUT);\r\n\r\n}\r\nvoid loop()\r\n{\r\ndigitalWrite(TrigPin, LOW); \/\/\u4f4e\u9ad8\u4f4e\u7535\u5e73\u53d1\u4e00\u4e2a\u77ed\u65f6\u95f4\u8109\u51b2\u53bbTrigPin\r\ndelayMicroseconds(2);\r\ndigitalWrite(TrigPin, HIGH);\r\ndelayMicroseconds(10);\r\ndigitalWrite(TrigPin, LOW);\r\n\r\ncm = pulseIn(EchoPin, HIGH) \/ 58.0; \/\/\u5c06\u56de\u6ce2\u65f6\u95f4\u6362\u7b97\u6210cm\r\ncm = (int(cm * 100.0)) \/ 100.0; \/\/\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\r\nSerial.print(cm);\r\nSerial.print(\"cm\");\r\nSerial.println();\r\ndelay(1000);\r\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,5],"tags":[],"class_list":["post-696","post","type-post","status-publish","format-standard","hentry","category-sensor","category-lot"],"_links":{"self":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=696"}],"version-history":[{"count":1,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/696\/revisions"}],"predecessor-version":[{"id":698,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/696\/revisions\/698"}],"wp:attachment":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}