{"id":51286,"date":"2025-08-10T20:44:31","date_gmt":"2025-08-10T12:44:31","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/51286.html"},"modified":"2025-08-10T20:44:31","modified_gmt":"2025-08-10T12:44:31","slug":"stm32%e9%a1%b9%e7%9b%ae%ef%bc%8826%ef%bc%89-%e5%9f%ba%e4%ba%8estm32%e7%9a%84%e6%99%ba%e8%83%bd%e5%a4%b4%e7%9b%94%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/51286.html","title":{"rendered":"stm32\u9879\u76ee\uff0826\uff09\u2014\u2014\u57fa\u4e8estm32\u7684\u667a\u80fd\u5934\u76d4\u7cfb\u7edf"},"content":{"rendered":"<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"1.%E5%AE%9E%E7%8E%B0%E5%8A%9F%E8%83%BD-toc\" style=\"margin-left:0px\">1.\u5b9e\u73b0\u529f\u80fd<\/p>\n<p id=\"2.%E5%8E%9F%E7%90%86%E5%9B%BE-toc\" style=\"margin-left:0px\">2.\u539f\u7406\u56fe<\/p>\n<p id=\"3.%E6%BC%94%E7%A4%BA%E8%A7%86%E9%A2%91-toc\" style=\"margin-left:0px\">3.\u6f14\u793a\u89c6\u9891<\/p>\n<p id=\"4.%E4%B8%BB%E8%A6%81%E6%A8%A1%E5%9D%97-toc\" style=\"margin-left:0px\">4.\u4e3b\u8981\u6a21\u5757<\/p>\n<p id=\"4.1%E8%B6%85%E5%A3%B0%E6%B3%A2%E6%A8%A1%E5%9D%97-toc\" style=\"margin-left:40px\">4.1\u8d85\u58f0\u6ce2\u6a21\u5757<\/p>\n<p id=\"5.%E8%AF%BE%E9%A2%98%E6%84%8F%E4%B9%89-toc\" style=\"margin-left:0px\">5.\u8bfe\u9898\u610f\u4e49<\/p>\n<p id=\"6.%E6%BA%90%E4%BB%A3%E7%A0%81-toc\" style=\"margin-left:0px\">6.\u6e90\u4ee3\u7801<\/p>\n<hr id=\"hr-toc\" \/>\n<h2 id=\"1.%E5%AE%9E%E7%8E%B0%E5%8A%9F%E8%83%BD\">1.\u5b9e\u73b0\u529f\u80fd<\/h2>\n<p>\u8be5\u7cfb\u7edf\u4f7f\u7528STM32\u5355\u7247\u673a\u4f5c\u4e3a\u667a\u80fd\u5934\u76d4\u7cfb\u7edf\u7684\u63a7\u5236\u5355\u5143&#xff0c;\u8be5\u63a7\u5236\u5355\u5143\u5229\u7528\u5916\u63a5\u4f20\u611f\u5668\u5bf9\u5468\u8fb9\u73af\u5883\u6570\u636e\u8fdb\u884c\u91c7\u96c6\u53ca\u5904\u7406\u3002 \u8bbe\u7f6e\u81ea\u52a8\u6a21\u5f0f\u548c\u624b\u52a8\u6a21\u5f0f&#xff0c;\u6a21\u5f0f\u5207\u6362\u901a\u8fc7\u624b\u673aAPP\u8fdb\u884c\u3002<\/p>\n<p>\u81ea\u52a8\u6a21\u5f0f\u4e0b&#xff1a; \u6e29\u5ea6\u9ad8\u4e8e\u9608\u503c \u6216\u8005 \u6e7f\u5ea6\u9ad8\u4e8e\u9608\u503c \u81ea\u52a8\u5f00\u542f\u98ce\u6247\u964d\u6e29 \u5149\u7167\u4f4e\u4e8e\u9608\u503c \u00a0\u81ea\u52a8\u5f00\u542fLED\u7167\u660e \u8d85\u58f0\u6ce2\u6a21\u5757\u6d4b\u8ddd&#xff0c;\u8ddd\u79bb\u4f4e\u4e8e\u9608\u503c \u00a0\u81ea\u52a8\u5f00\u542f\u58f0\u5149\u62a5\u8b66 \u9608\u503c\u53ef\u4ee5\u901a\u8fc7\u6309\u952e\u8fdb\u884c\u5b9e\u65f6\u8c03\u6574 \u624b\u52a8\u6a21\u5f0f\u4e0b&#xff1a; \u901a\u8fc7\u624b\u673aAPP&#xff0c;\u624b\u52a8\u5f00\u5173\/\u5173\u95ed LED\u8865\u5149\u706f&#xff0c;\u98ce\u6247<\/p>\n<p>\u6240\u6709\u68c0\u6d4b\u6570\u636e\u90fd\u901a\u8fc7WIFI\u6a21\u5757&#xff0c;\u8fde\u63a5\u673a\u667a\u4e91&#xff0c;\u53d1\u9001\u5230\u624b\u673aAPP\u4e0a\u663e\u793a&#xff1b;\u540c\u65f6\u4e5f\u5728OLED\u5c4f\u5e55\u4e0a\u663e\u793a<\/p>\n<h2 id=\"2.%E5%8E%9F%E7%90%86%E5%9B%BE\">2.\u539f\u7406\u56fe<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"564\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810124429-6898942d5ecd6.png\" width=\"842\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"558\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810124429-6898942dd550b.png\" width=\"674\" \/><\/p>\n<h2 id=\"3.%E6%BC%94%E7%A4%BA%E8%A7%86%E9%A2%91\">3.\u6f14\u793a\u89c6\u9891<\/h2>\n<p>stm32\u667a\u80fd\u5934\u76d4\u529f\u80fd\u5c55\u793a<\/p>\n<h2 id=\"4.%E4%B8%BB%E8%A6%81%E6%A8%A1%E5%9D%97\">4.\u4e3b\u8981\u6a21\u5757<\/h2>\n<h3 id=\"4.1%E8%B6%85%E5%A3%B0%E6%B3%A2%E6%A8%A1%E5%9D%97\">4.1\u8d85\u58f0\u6ce2\u6a21\u5757<\/h3>\n<p class=\"img-center\"><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"226\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250810124429-6898942debbc2.png\" width=\"253\" \/><\/p>\n<p>HC-SR04 \u662f\u4e00\u6b3e\u57fa\u4e8e\u8d85\u58f0\u6ce2\u6d4b\u8ddd\u539f\u7406\u7684\u4f20\u611f\u5668\u6a21\u5757&#xff0c;\u5e7f\u6cdb\u5e94\u7528\u4e8e\u907f\u969c\u3001\u6db2\u4f4d\u68c0\u6d4b\u3001\u667a\u80fd\u505c\u8f66\u7b49\u573a\u666f\u3002\u5176\u7279\u70b9\u662f\u6210\u672c\u4f4e\u3001\u6d4b\u8ddd\u7a33\u5b9a&#xff08;2cm~400cm&#xff09;&#xff0c;\u7cbe\u5ea6\u7ea6\u00b13mm\u3002<\/p>\n<hr \/>\n<p>1. \u57fa\u672c\u7279\u6027<\/p>\n<ul>\n<li>\n<p>\u6d4b\u8ddd\u8303\u56f4&#xff1a;2cm ~ 400cm&#xff08;\u8d85\u51fa\u8303\u56f4\u8fd4\u56de\u65e0\u6548\u503c&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u6d4b\u8ddd\u7cbe\u5ea6&#xff1a;\u00b13mm&#xff08;\u7406\u60f3\u6761\u4ef6\u4e0b&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5de5\u4f5c\u7535\u538b&#xff1a;5V DC&#xff08;\u4e0e\u5355\u7247\u673a\u5171\u7535\u6e90&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5de5\u4f5c\u7535\u6d41&#xff1a;15mA&#xff08;\u9759\u6001\u4f4e\u529f\u8017&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u63a2\u6d4b\u89d2\u5ea6&#xff1a;15\u00b0\u9525\u5f62\u533a\u57df&#xff08;\u805a\u7126\u6027\u8f83\u597d&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>2. \u786c\u4ef6\u63a5\u53e3&#xff08;4\u5f15\u811a&#xff09;<\/p>\n<table>\n<tr>\u5f15\u811a\u529f\u80fd\u8fde\u63a5\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>VCC<\/td>\n<td>\u7535\u6e90&#xff08;5V&#xff09;<\/td>\n<td>\u63a5\u5355\u7247\u673a5V\u5f15\u811a<\/td>\n<\/tr>\n<tr>\n<td>GND<\/td>\n<td>\u63a5\u5730<\/td>\n<td>\u63a5\u5355\u7247\u673aGND<\/td>\n<\/tr>\n<tr>\n<td>Trig<\/td>\n<td>\u89e6\u53d1\u4fe1\u53f7\u8f93\u5165<\/td>\n<td>\u63a5\u5355\u7247\u673a\u4efb\u610fGPIO&#xff08;\u5982D12&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>Echo<\/td>\n<td>\u56de\u6ce2\u4fe1\u53f7\u8f93\u51fa<\/td>\n<td>\u63a5\u5355\u7247\u673aGPIO&#xff08;\u9700\u652f\u6301\u8109\u51b2\u6355\u83b7&#xff0c;\u5982D11&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&#x1f4cc;\u00a0\u6ce8\u610f&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u82e5\u5355\u7247\u673a\u4e3a3.3V\u903b\u8f91&#xff08;\u5982STM32&#xff09;&#xff0c;Echo\u5f15\u811a\u9700\u52a01k\u03a9\u7535\u963b\u5206\u538b&#xff08;\u907f\u514d5V\u635f\u574fIO&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u907f\u514d\u5f3a\u5149\u76f4\u5c04\u4f20\u611f\u5668&#xff0c;\u53ef\u80fd\u5e72\u6270\u8d85\u58f0\u6ce2\u63a5\u6536\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<p>3. \u4fe1\u53f7\u4f20\u8f93\u4e0e\u6d4b\u8ddd\u539f\u7406<\/p>\n<li>\n<p>\u89e6\u53d1\u9636\u6bb5&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5355\u7247\u673a\u5411Trig\u5f15\u811a\u53d1\u9001\u00a0\u81f3\u5c1110\u03bcs\u7684\u9ad8\u7535\u5e73\u8109\u51b2&#xff0c;\u89e6\u53d1\u8d85\u58f0\u6ce2\u53d1\u5c04\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u53d1\u5c04\u4e0e\u63a5\u6536&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u6a21\u5757\u81ea\u52a8\u53d1\u5c048\u4e2a40kHz\u8d85\u58f0\u6ce2\u8109\u51b2&#xff0c;\u5e76\u68c0\u6d4b\u56de\u6ce2\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u56de\u6ce2\u68c0\u6d4b&#xff1a;<\/p>\n<ul>\n<li>\n<p>Echo\u5f15\u811a\u8f93\u51fa\u9ad8\u7535\u5e73&#xff0c;\u6301\u7eed\u65f6\u95f4\u4e0e\u8ddd\u79bb\u6210\u6b63\u6bd4&#xff08;\u8ba1\u7b97\u516c\u5f0f&#xff1a;\u8ddd\u79bb &#061; (\u9ad8\u7535\u5e73\u65f6\u95f4 \u00d7 \u58f0\u901f) \/ 2&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u58f0\u901f\u6309343m\/s&#xff08;25\u2103\u5e72\u71e5\u7a7a\u6c14&#xff09;\u8ba1\u7b97&#xff0c;\u5b9e\u9645\u9700\u6839\u636e\u6e29\u5ea6\u4fee\u6b63&#xff08;\u5982\u00a0\u58f0\u901f &#061; 331.4 &#043; 0.6 \u00d7 \u6e29\u5ea6\u2103&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<p>\u65f6\u5e8f\u56fe\u793a\u4f8b&#xff1a;<\/p>\n<p>Trig: |______|\u00af\u00af\u00af\u00af\u00af|____________________<br \/>\nEcho: ________________|\u00af\u00af\u00af\u00af\u00af|____________<br \/>\n          \u219110\u03bcs       \u2191\u9ad8\u7535\u5e73\u65f6\u95f4 &#061; 580\u03bcs&#xff08;\u5bf9\u5e9410cm\u8ddd\u79bb&#xff09; <\/p>\n<p><span style=\"background-color:#ffd900\">\u5176\u4f59\u6a21\u5757\u6211\u5728\u5176\u5b83\u6587\u7ae0\u4e2d\u6709\u63d0\u5230&#xff0c;\u8fd9\u91cc\u5c31\u4e0d\u8d58\u8ff0<\/span><\/p>\n<h2 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