{"id":1188,"date":"2021-05-01T18:49:45","date_gmt":"2021-05-01T10:49:45","guid":{"rendered":"http:\/\/mgspace.wiki\/docs\/?post_type=docs&#038;p=1188"},"modified":"2021-05-01T18:49:45","modified_gmt":"2021-05-01T10:49:45","slug":"%e5%a3%b0%e6%8e%a7%e6%a8%a1%e5%9d%97","status":"publish","type":"docs","link":"http:\/\/mgspace.wiki\/docs\/?docs=%e5%a3%b0%e6%8e%a7%e6%a8%a1%e5%9d%97","title":{"rendered":"\u58f0\u63a7\u6a21\u5757"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/2019\/11\/Tutorial-For-Interfacing-Sound-Sensor-with-Arduino.jpg\" alt=\"\u58f0\u97f3\u4f20\u611f\u5668\u4e0eArduino\u63a5\u53e3\u7684\u6559\u7a0b\"\/><\/figure><\/div>\n\n\n\n<p>\u51c6\u5907\u52a0\u5165\u4e0b\u4e00\u4e2a\u9879\u76ee\u4e86\u5417\uff1f<\/p>\n\n\n\n<p>\u8fd9\u4e9b\u58f0\u97f3\u4f20\u611f\u5668\u4ef7\u683c\u4f4e\u5ec9\uff0c\u6613\u4e8e\u8fde\u63a5\uff0c\u5e76\u4e14\u80fd\u591f\u68c0\u6d4b\u58f0\u97f3\uff0c\u62cd\u624b\u6216\u6572\u95e8\u58f0\u3002<\/p>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u5c06\u5b83\u4eec\u7528\u4e8e\u5404\u79cd\u58f0\u97f3\u53cd\u5e94\u6027\u9879\u76ee\uff0c\u4f8b\u5982\uff0c\u4f7f\u62cd\u624b\u58f0\u62cd\u624b\u6216\u5728\u5ba0\u7269\u4e0d\u5728\u65f6\u4fdd\u6301\u201c\u8033\u201d\u52a8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u60a8\u77e5\u9053\u9a7b\u6781\u4f53\u9ea6\u514b\u98ce\u7684\u5de5\u4f5c\u539f\u7406\u5417\uff1f<\/strong><\/h3>\n\n\n\n<p>\u9ea6\u514b\u98ce\u5185\u90e8\u662f\u8584\u7684\u632f\u819c\uff0c\u5b9e\u9645\u4e0a\u662f\u4e00\u5757\u7535\u5bb9\u5668\u3002\u7b2c\u4e8c\u5757\u677f\u662f\u80cc\u677f\uff0c\u80cc\u677f\u9760\u8fd1\u5e76\u5e73\u884c\u4e8e\u9694\u819c\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Electret-Microphone-Working.gif\" alt=\"\u9a7b\u6781\u4f53\u9ea6\u514b\u98ceworking.gif\"\/><\/figure><\/div>\n\n\n\n<p>\u5f53\u60a8\u5bf9\u7740\u9ea6\u514b\u98ce\u8bb2\u8bdd\u65f6\uff0c\u60a8\u7684\u58f0\u97f3\u6240\u4ea7\u751f\u7684\u58f0\u6ce2\u4f1a\u200b\u200b\u649e\u51fb\u632f\u52a8\u819c\uff0c\u4ece\u800c\u5f15\u8d77\u632f\u52a8\u3002<\/p>\n\n\n\n<p>\u5f53\u632f\u52a8\u819c\u7247\u54cd\u5e94\u58f0\u97f3\u800c\u632f\u52a8\u65f6\uff0c\u7535\u5bb9\u4f1a\u968f\u7740\u677f\u5757\u5f7c\u6b64\u9760\u8fd1\u6216\u5206\u5f00\u800c\u53d1\u751f\u53d8\u5316\u3002<\/p>\n\n\n\n<p>\u968f\u7740\u7535\u5bb9\u7684\u53d8\u5316\uff0c\u677f\u4e0a\u7684\u7535\u538b\u4e5f\u53d1\u751f\u53d8\u5316\uff0c\u8fd9\u53ef\u4ee5\u901a\u8fc7\u6d4b\u91cf\u786e\u5b9a\u58f0\u97f3\u7684\u5e45\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u786c\u4ef6\u603b\u89c8<\/h2>\n\n\n\n<p>\u58f0\u97f3\u4f20\u611f\u5668\u662f\u4e00\u5757\u5c0f\u677f\uff0c\u7ed3\u5408\u4e86\u9ea6\u514b\u98ce\uff0850Hz-10kHz\uff09\u548c\u4e00\u4e9b\u5904\u7406\u7535\u8def\uff0c\u53ef\u5c06\u58f0\u6ce2\u8f6c\u6362\u4e3a\u7535\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u8be5\u7535\u4fe1\u53f7\u88ab\u9988\u9001\u5230\u677f\u8f7dLM393\u9ad8\u7cbe\u5ea6\u6bd4\u8f83\u5668\u4ee5\u5bf9\u5176\u8fdb\u884c\u6570\u5b57\u5316\uff0c\u5e76\u901a\u8fc7OUT\u5f15\u811a\u63d0\u4f9b\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Sound-Sensor-Sensitivity-Adjustment-and-Comparator.jpg\" alt=\"\u58f0\u97f3\u4f20\u611f\u5668\u7075\u654f\u5ea6\u8c03\u6574\u548c\u6bd4\u8f83\u5668\"\/><\/figure><\/div>\n\n\n\n<p>\u8be5\u6a21\u5757\u5177\u6709\u4e00\u4e2a\u5185\u7f6e\u7535\u4f4d\u8ba1\uff0c\u7528\u4e8e\u8c03\u8282OUT\u4fe1\u53f7\u7684\u7075\u654f\u5ea6\u3002<\/p>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u7535\u4f4d\u8ba1\u6765\u8bbe\u7f6e\u9608\u503c\u3002\u56e0\u6b64\uff0c\u5f53\u58f0\u97f3\u7684\u632f\u5e45\u8d85\u8fc7\u9608\u503c\u65f6\uff0c\u6a21\u5757\u5c06\u8f93\u51faLOW\uff0c\u5426\u5219\u8f93\u51faHIGH\u3002<\/p>\n\n\n\n<p>\u5f53\u60a8\u8981\u5728\u8fbe\u5230\u7279\u5b9a\u9608\u503c\u65f6\u89e6\u53d1\u64cd\u4f5c\u65f6\uff0c\u6b64\u8bbe\u7f6e\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5f53\u58f0\u97f3\u7684\u632f\u5e45\u8d85\u8fc7\u9608\u503c\u65f6\uff08\u5f53\u68c0\u6d4b\u5230\u7206\u9707\u65f6\uff09\uff0c\u60a8\u53ef\u4ee5\u6fc0\u6d3b\u7ee7\u7535\u5668\u4ee5\u63a7\u5236\u5149\u3002\u4f60\u6709\u4e3b\u610f\uff01<\/p>\n\n\n\n<div class=\"mve-callout mve-callout-info\" class=\"wp-block-mve-callout-info\"><h4><span class=\"dashicons dashicons-info\"><\/span>\u63d0\u793a<\/h4>\u9006\u65f6\u9488\u65cb\u8f6c\u65cb\u94ae\u589e\u52a0\u7075\u654f\u5ea6\uff0c\u987a\u65f6\u9488\u65cb\u8f6c\u65cb\u94ae\u964d\u4f4e\u7075\u654f\u5ea6\u3002<\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Sound-Sensor-Power-and-Status-LEDs.jpg\" alt=\"\u58f0\u97f3\u4f20\u611f\u5668\u7535\u6e90\u548c\u72b6\u6001\u6307\u793a\u706f\"\/><\/figure><\/div>\n\n\n\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u8be5\u6a21\u5757\u8fd8\u5177\u6709\u4e24\u4e2aLED\u3002\u6a21\u5757\u901a\u7535\u540e\uff0c\u7535\u6e90LED\u6307\u793a\u706f\u5c06\u70b9\u4eae\u3002\u5f53\u6570\u5b57\u8f93\u51fa\u53d8\u4f4e\u65f6\uff0c\u72b6\u6001LED\u4f1a\u4eae\u8d77\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u58f0\u97f3\u4f20\u611f\u5668\u5f15\u811a<\/h2>\n\n\n\n<p>\u58f0\u97f3\u4f20\u611f\u5668\u53ea\u6709\u4e09\u4e2a\u5f15\u811a\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Sound-Sensor-Module-Pinout.png\" alt=\"\u58f0\u97f3\u4f20\u611f\u5668\u6a21\u5757\u5f15\u811a\"\/><\/figure><\/div>\n\n\n\n<p>VCC\u5f15\u811a\u4e3a\u4f20\u611f\u5668\u4f9b\u7535\u3002\u5efa\u8bae\u4ee53.3V \u2013 5V\u4e4b\u95f4\u7684\u7535\u538b\u4e3a\u4f20\u611f\u5668\u4f9b\u7535\u3002<\/p>\n\n\n\n<p>\u5730\u7ebf&nbsp;\u662f\u63a5\u5730\u8fde\u63a5\u3002<\/p>\n\n\n\n<p>\u51fa\u53bb\u5f53\u73af\u5883\u5b89\u9759\u65f6\uff0c\u8be5\u5f15\u811a\u8f93\u51fa\u9ad8\u7535\u5e73\uff1b\u5f53\u68c0\u6d4b\u5230\u58f0\u97f3\u65f6\uff0c\u8be5\u5f15\u811a\u8f93\u51fa\u4f4e\u7535\u5e73\u3002\u60a8\u53ef\u4ee5\u5c06\u5176\u8fde\u63a5\u5230Arduino\u4e0a\u7684\u4efb\u4f55\u6570\u5b57\u5f15\u811a\uff0c\u6216\u76f4\u63a5\u8fde\u63a5\u52305V\u7ee7\u7535\u5668\u6216\u7c7b\u4f3c\u8bbe\u5907\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7528Arduino\u63a5\u7ebf\u58f0\u97f3\u4f20\u611f\u5668<\/h2>\n\n\n\n<p>\u8ba9\u6211\u4eec\u5c06\u58f0\u97f3\u4f20\u611f\u5668\u8fde\u63a5\u5230Arduino\u3002<\/p>\n\n\n\n<p>\u8fde\u63a5\u975e\u5e38\u7b80\u5355\u3002\u9996\u5148\u5c06\u6a21\u5757\u4e0a\u7684VCC\u5f15\u811a\u8fde\u63a5\u5230Arduino\u4e0a\u76845V\uff0c\u5e76\u5c06GND\u5f15\u811a\u63a5\u5730\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u5c06OUT\u5f15\u811a\u8fde\u63a5\u5230Arduino\u4e0a\u7684\u6570\u5b57\u5f15\u811a\uff037\u3002\u5c31\u662f\u8fd9\u6837\uff01<\/p>\n\n\n\n<p>\u4e0b\u56fe\u663e\u793a\u4e86\u63a5\u7ebf\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Wiring-Sound-Sensor-with-Arduino.png\" alt=\"\u5e26\u6709arduino\u7684\u5e03\u7ebf\u58f0\u97f3\u4f20\u611f\u5668\"\/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u6821\u51c6\u58f0\u97f3\u4f20\u611f\u5668<\/h2>\n\n\n\n<p>\u4e3a\u4e86\u4ece\u58f0\u97f3\u4f20\u611f\u5668\u4e2d\u83b7\u53d6\u51c6\u786e\u7684\u8bfb\u6570\uff0c\u5efa\u8bae\u60a8\u9996\u5148\u5bf9\u5176\u8fdb\u884c\u6821\u51c6\u3002<\/p>\n\n\n\n<p>\u8be5\u6a21\u5757\u5177\u6709\u5185\u7f6e\u7684\u7535\u4f4d\u8ba1\uff0c\u7528\u4e8e\u6821\u51c6\u6570\u5b57\u8f93\u51fa\uff08OUT\uff09\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u65cb\u8f6c\u7535\u4f4d\u8ba1\u7684\u65cb\u94ae\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u9608\u503c\u3002\u56e0\u6b64\uff0c\u5f53\u58f0\u97f3\u6c34\u5e73\u8d85\u8fc7\u9608\u503c\u65f6\uff0c\u72b6\u6001LED\u4f1a\u4eae\u8d77\uff0c\u6570\u5b57\u8f93\u51fa\uff08OUT\uff09\u5c06\u8f93\u51fa\u4e3a\u4f4e\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\u8981\u6821\u51c6\u4f20\u611f\u5668\uff0c\u5f00\u59cb\u5728\u9ea6\u514b\u98ce\u9644\u8fd1\u62cd\u624b\u5e76\u8c03\u8282\u7535\u4f4d\u5668\uff0c\u76f4\u5230\u770b\u5230\u6a21\u5757\u4e0a\u7684\u72b6\u6001LED\u54cd\u5e94\u62cd\u624b\u800c\u95ea\u70c1\u3002<\/p>\n\n\n\n<p>\u5c31\u662f\u8fd9\u6837\uff0c\u60a8\u7684\u4f20\u611f\u5668\u73b0\u5728\u5df2\u6821\u51c6\u5e76\u53ef\u4ee5\u4f7f\u7528\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u68c0\u6d4b\u58f0\u97f3\u2013\u57fa\u672c\u793a\u4f8b<\/h2>\n\n\n\n<p>\u73b0\u5728\u60a8\u5df2\u7ecf\u8fde\u63a5\u597d\u4e86\u58f0\u97f3\u4f20\u611f\u5668\uff0c\u60a8\u5c06\u9700\u8981\u4e00\u4e2a\u8349\u56fe\u4ee5\u4f7f\u5176\u5168\u90e8\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u793a\u4f8b\u68c0\u6d4b\u5230\u62cd\u624b\u6216\u5494\u55d2\u58f0\uff0c\u5e76\u5728\u4e32\u884c\u76d1\u89c6\u5668\u4e0a\u6253\u5370\u6d88\u606f\u3002\u7ee7\u7eed\uff0c\u5c1d\u8bd5\u4e00\u4e0b\u8349\u56fe\uff1b\u7136\u540e\u6211\u4eec\u5c06\u5bf9\u5176\u8fdb\u884c\u8be6\u7ec6\u5256\u6790\u3002<\/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 sensorPin 7\n\n\/\/ Variable to store the time when last event happened\nunsigned long lastEvent = 0;\n\nvoid setup() {\n\tpinMode(sensorPin, INPUT);\t\/\/ Set sensor pin as an INPUT\n\tSerial.begin(9600);\n}\n\nvoid loop() {\n\t\/\/ Read Sound sensor\n\tint sensorData = digitalRead(sensorPin);\n\n\t\/\/ If pin goes LOW, sound is detected\n\tif (sensorData == LOW) {\n\t\t\n\t\t\/\/ If 25ms have passed since last LOW state, it means that\n\t\t\/\/ the clap is detected and not due to any spurious sounds\n\t\tif (millis() - lastEvent > 25) {\n\t\t\tSerial.println(\"Clap detected!\");\n\t\t}\n\t\t\n\t\t\/\/ Remember when last event happened\n\t\tlastEvent = millis();\n\t}\n}<\/pre>\n\n\n\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u68c0\u6d4b\u5230\u62cd\u624b\u65f6\uff0c\u60a8\u5e94\u8be5\u5728\u4e32\u884c\u76d1\u89c6\u5668\u4e0a\u770b\u5230\u4ee5\u4e0b\u8f93\u51fa\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Sound-Sensor-Output.png\" alt=\"\u58f0\u97f3\u4f20\u611f\u5668\u8f93\u51fa\"\/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u89e3\u91ca\uff1a<\/h3>\n\n\n\n<p>\u8349\u56fe\u4ece\u58f0\u660e\u4f20\u611f\u5668\u7684OUT\u5f15\u811a\u5df2\u8fde\u63a5\u5230Arduino\u5f15\u811a\u7684\u58f0\u660e\u5f00\u59cb\u3002<\/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 sensorPin 7<\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a\u7684\u53d8\u91cf<code>lastEvent<\/code>\uff0c\u7528\u4e8e\u5b58\u50a8\u4ece\u68c0\u6d4b\u5230\u62cd\u624b\u8d77\u7684\u65f6\u95f4\u3002\u8fd9\u5c06\u6709\u52a9\u4e8e\u6211\u4eec\u6d88\u9664\u865a\u5047\u58f0\u97f3\u3002<\/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=\"\">unsigned long lastEvent = 0;<\/pre>\n\n\n\n<p>\u5728\u201c\u8bbe\u7f6e\u201d\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u4f20\u611f\u5668\u7684\u4fe1\u53f7\u5f15\u811a\u58f0\u660e\u4e3a\u8f93\u5165\u3002\u6211\u4eec\u8fd8\u8bbe\u7f6e\u4e86\u4e32\u884c\u76d1\u89c6\u5668\u3002<\/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=\"\">pinMode(sensorPin, INPUT);\nSerial.begin(9600);<\/pre>\n\n\n\n<p>\u5728\u5faa\u73af\u90e8\u5206\uff0c\u6211\u4eec\u9996\u5148\u8bfb\u53d6\u4f20\u611f\u5668\u7684\u6570\u5b57\u8f93\u51fa\u3002<\/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=\"\">int sensorData = digitalRead(sensorPin);<\/pre>\n\n\n\n<p>\u5f53\u4f20\u611f\u5668\u68c0\u6d4b\u5230\u4efb\u4f55\u58f0\u97f3\u8db3\u4ee5\u8d85\u8fc7\u9608\u503c\u65f6\uff0c\u8f93\u51fa\u5c06\u53d8\u4e3a\u4f4e\u7535\u5e73\u3002\u4f46\u662f\u6211\u4eec\u5fc5\u987b\u786e\u4fdd\u58f0\u97f3\u662f\u7531\u4e8e\u62cd\u624b\u800c\u4e0d\u662f\u6742\u6563\u7684\u80cc\u666f\u566a\u58f0\u5f15\u8d77\u7684\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u7b49\u5f8525\u6beb\u79d2\u3002\u5982\u679c\u8f93\u51fa\u4fdd\u6301LOW\u8d85\u8fc725\u6beb\u79d2\uff0c\u5219\u58f0\u660e\u68c0\u6d4b\u5230\u4e86\u62cd\u624b\u3002<\/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=\"\">if (sensorData == LOW) {\n\tif (millis() - lastEvent > 25) {\n\t\tSerial.println(\"Clap detected!\");\n\t}\n\tlastEvent = millis();\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u62cd\u624b\u63a7\u5236\u88c5\u7f6e<\/h2>\n\n\n\n<p>\u5728\u6211\u4eec\u7684\u4e0b\u4e00\u4e2a\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u58f0\u97f3\u4f20\u611f\u5668\u4f5c\u4e3a\u201c<strong>\u62cd\u677f<\/strong>\u201d\uff0c\u901a\u8fc7\u62cd\u624b\u6253\u5f00\u4ea4\u6d41\u7535\u6e90\u8bbe\u5907\u3002<\/p>\n\n\n\n<p>\u8be5\u9879\u76ee\u4f7f\u7528\u4e00\u4e2a\u901a\u9053\u4e2d\u7ee7\u6a21\u5757\u6765\u63a7\u5236\u4ea4\u6d41\u4f9b\u7535\u8bbe\u5907\u3002\u5982\u679c\u60a8\u4e0d\u719f\u6089\u7ee7\u7535\u5668\u6a21\u5757\uff0c\u8bf7\u8003\u8651\u9605\u8bfb\uff08\u81f3\u5c11\u7565\u8bfb\uff09\u4ee5\u4e0b\u6559\u7a0b\u3002<a href=\"https:\/\/lastminuteengineers.com\/one-channel-relay-module-arduino-tutorial\/\"><\/a><a href=\"https:\/\/lastminuteengineers.com\/one-channel-relay-module-arduino-tutorial\/\">\u5c06\u4e00\u4e2a\u901a\u9053\u4e2d\u7ee7\u6a21\u5757\u4e0eArduino\u63a5\u53e3<\/a>\u6709\u65f6\u60a8\u5e0c\u671bArduino\u63a7\u5236\u4ea4\u6d41\u7535\u6e90\u8bbe\u5907\uff0c\u4f8b\u5982\u706f\uff0c\u98ce\u6247\u6216\u5176\u4ed6\u5bb6\u7528\u8bbe\u5907\u3002\u4f46\u662f\u7531\u4e8eArduino\u7684\u5de5\u4f5c\u7535\u538b\u4e3a5\u4f0f\uff0c\u6240\u4ee5&#8230;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u63a5\u7ebf<\/h3>\n\n\n\n<p>\u8be5\u9879\u76ee\u7684\u63a5\u7ebf\u975e\u5e38\u7b80\u5355\u3002<\/p>\n\n\n\n<div class=\"mve-callout mve-callout-danger\" class=\"wp-block-mve-callout-danger\"><h4><span class=\"dashicons dashicons-dismiss\"><\/span>\u5371\u9669<\/h4>\u6b64\u677f\u4e0e\u9ad8\u4ea4\u6d41\u7535\u538b\u76f8\u4e92\u4f5c\u7528\u3002\u4e0d\u6b63\u786e\u6216\u4e0d\u6b63\u786e\u7684\u4f7f\u7528\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u4eba\u8eab\u4f24\u5bb3\u751a\u81f3\u6b7b\u4ea1\u3002\u56e0\u6b64\uff0c\u5b83\u9002\u7528\u4e8e\u6709\u7ecf\u9a8c\u5e76\u4e86\u89e3\u9ad8\u4ea4\u6d41\u7535\u538b\u7684\u4eba\u4eec\u3002<\/div>\n\n\n\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u4e3a\u4f20\u611f\u5668\u548c\u7ee7\u7535\u5668\u6a21\u5757\u4f9b\u7535\u3002\u5c06\u5176VCC\u5f15\u811a\u8fde\u63a5\u81f3Arduino\u76845V\u5f15\u811a\uff0c\u5e76\u5c06GND\u63a5\u5730\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u5c06\u58f0\u97f3\u4f20\u611f\u5668\u4e0a\u7684\u8f93\u51fa\u5f15\u811a\uff08OUT\uff09\u8fde\u63a5\u5230Arduino\u4e0a\u7684\u6570\u5b57\u5f15\u811a\uff037\uff0c\u5e76\u5c06\u7ee7\u7535\u5668\u6a21\u5757\u4e0a\u7684\u63a7\u5236\u5f15\u811a\uff08IN\uff09\u8fde\u63a5\u5230\u6570\u5b57\u5f15\u811a\uff038\u3002<\/p>\n\n\n\n<p>\u60a8\u8fd8\u9700\u8981\u5c06\u7ee7\u7535\u5668\u6a21\u5757\u4e0e\u8981\u63a7\u5236\u7684\u4ea4\u6d41\u7535\u6e90\u8bbe\u5907\u5bf9\u9f50\u3002\u60a8\u5fc5\u987b\u5207\u65ad\u4ea4\u6d41\u7535\u6e90\u7ebf\uff0c\u5e76\u5c06\u5207\u65ad\u7535\u7ebf\u7684\u4e00\u7aef\uff08\u4ece\u5899\u58c1\u4e0a\u5f15\u51fa\uff09\u8fde\u63a5\u81f3COM\uff0c\u53e6\u4e00\u7aef\u8fde\u63a5\u81f3NO\u3002<\/p>\n\n\n\n<p>\u4e0b\u56fe\u663e\u793a\u4e86\u63a5\u7ebf\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lastminuteengineers.com\/wp-content\/uploads\/arduino\/Wiring-Sound-Sensor-and-Relay-with-Arduino.png\" alt=\"\u7528arduino\u63a5\u7ebf\u58f0\u97f3\u4f20\u611f\u5668\u548c\u7ee7\u7535\u5668\"\/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Arduino\u4ee3\u7801<\/h3>\n\n\n\n<p>\u8fd9\u662f\u62cd\u624b\u63a7\u5236\u8bbe\u5907\u7684\u793a\u610f\u56fe\u3002<\/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 sensorPin 7\n#define relayPin 8\n\n\/\/ Variable to store the time when last event happened\nunsigned long lastEvent = 0;\nboolean relayState = false;    \/\/ Variable to store the state of relay\n\nvoid setup() {\n\tpinMode(relayPin, OUTPUT);  \/\/ Set relay pin as an OUTPUT pin\n\tpinMode(sensorPin, INPUT);  \/\/ Set sensor pin as an INPUT\n}\n\nvoid loop() {\n\t\/\/ Read Sound sensor\n\tint sensorData = digitalRead(sensorPin);\n\n\t\/\/ If pin goes LOW, sound is detected\n\tif (sensorData == LOW) {\n\n\t\/\/ If 25ms have passed since last LOW state, it means that\n\t\/\/ the clap is detected and not due to any spurious sounds\n\tif (millis() - lastEvent > 25) {\n\t\t\/\/toggle relay and set the output\n\t\trelayState = !relayState;\n\t\tdigitalWrite(relayPin, relayState ? HIGH : LOW);\n\t}\n\n\t\/\/ Remember when last event happened\n\tlastEvent = millis();\n\t}\n}<\/pre>\n\n\n\n<p>\u4e00\u65e6\u5728\u8fde\u63a5\u786c\u4ef6\u7684\u60c5\u51b5\u4e0b\u52a0\u8f7d\u5e76\u8fd0\u884c\u8be5\u7a0b\u5e8f\uff0c\u4f20\u611f\u5668\u5c31\u4f1a\u5728\u6bcf\u6b21\u9f13\u638c\u65f6\u6253\u5f00\u6216\u5173\u95ed\u8bbe\u5907\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u89e3\u91ca\uff1a<\/h3>\n\n\n\n<p>\u5982\u679c\u5c06\u6b64\u8349\u56fe\u4e0e\u6211\u4eec\u5148\u524d\u7684\u8349\u56fe\u8fdb\u884c\u6bd4\u8f83\uff0c\u60a8\u4f1a\u53d1\u73b0\u8bb8\u591a\u76f8\u4f3c\u4e4b\u5904\uff0c\u9664\u4e86\u51e0\u4ef6\u4e8b\u4e4b\u5916\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u58f0\u660e\u4e0e\u7ee7\u7535\u5668\u63a7\u5236\u5f15\u811a\uff08IN\uff09\u8fde\u63a5\u7684Arduino\u5f15\u811a\u3002\u6211\u4eec\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65b0\u53d8\u91cf<code>relayState<\/code>\u6765\u5b58\u50a8\u7ee7\u7535\u5668\u7684\u72b6\u6001\u3002<\/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 relayPin 7\n\nboolean relayState = false;<\/pre>\n\n\n\n<p>\u5728\u5b89\u88c5\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u5c06\u5b9a\u4e49<code>relayPin<\/code>\u4e3a\u8f93\u51fa\u3002<\/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=\"\">pinMode(relayPin, OUTPUT);<\/pre>\n\n\n\n<p>\u73b0\u5728\uff0c\u5f53\u6211\u4eec\u68c0\u6d4b\u5230\u62cd\u624b\u7684\u58f0\u97f3\u65f6\uff0c\u65e0\u9700\u5728\u4e32\u884c\u76d1\u89c6\u5668\u4e0a\u6253\u5370\u6d88\u606f\uff0c\u53ea\u9700\u5207\u6362\u7ee7\u7535\u5668\u7684\u72b6\u6001\u5373\u53ef\u3002<\/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=\"\">relayState = !relayState;\ndigitalWrite(relayPin, relayState ? HIGH : LOW);<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6545\u969c\u6392\u9664<\/h2>\n\n\n\n<p>\u5982\u679c\u58f0\u97f3\u4f20\u611f\u5668\u884c\u4e3a\u5f02\u5e38\uff0c\u8bf7\u5c1d\u8bd5\u4ee5\u4e0b\u6b65\u9aa4\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u4ed4\u7ec6\u68c0\u67e5\u7535\u6e90\u662f\u5426\u5e72\u51c0\u3002\u56e0\u4e3a\u58f0\u97f3\u4f20\u611f\u5668\u662f\u6a21\u62df\u7535\u8def\uff0c\u6240\u4ee5\u5b83\u5bf9\u7535\u6e90\u4e0a\u7684\u566a\u58f0\u66f4\u654f\u611f\u3002<\/li><li>\u58f0\u97f3\u4f20\u611f\u5668\u4e0a\u7684\u9a7b\u6781\u4f53\u9ea6\u514b\u98ce\u4e5f\u5bf9\u673a\u68b0\u632f\u52a8\u548c\u98ce\u566a\u58f0\u654f\u611f\u3002\u7528\u5f39\u6027\u6750\u6599\u5b89\u88c5\u5b83\u53ef\u4ee5\u5e2e\u52a9\u5438\u6536\u632f\u52a8\u3002<\/li><li>\u8be5\u58f0\u97f3\u4f20\u611f\u5668\u7684\u611f\u5e94\u8303\u56f4\u975e\u5e38\u5c0f\uff0c\u53ef\u80fd\u4e3a10\u82f1\u5bf8\uff0c\u56e0\u6b64\u60a8\u5fc5\u987b\u4f7f\u566a\u58f0\u66f4\u8fd1\u624d\u80fd\u83b7\u5f97\u826f\u597d\u7684\u54cd\u5e94\u3002<\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u51c6\u5907\u52a0\u5165\u4e0b\u4e00\u4e2a\u9879\u76ee\u4e86\u5417\uff1f \u8fd9\u4e9b\u58f0\u97f3\u4f20\u611f\u5668\u4ef7\u683c\u4f4e\u5ec9\uff0c\u6613\u4e8e\u8fde\u63a5\uff0c\u5e76\u4e14\u80fd\u591f\u68c0\u6d4b\u58f0\u97f3\uff0c\u62cd\u624b\u6216\u6572\u95e8\u58f0\u3002 \u60a8\u53ef\u4ee5\u5c06\u5b83\u4eec\u7528\u4e8e &hellip; <a href=\"http:\/\/mgspace.wiki\/docs\/?docs=%e5%a3%b0%e6%8e%a7%e6%a8%a1%e5%9d%97\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u58f0\u63a7\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-1188","docs","type-docs","status-publish","hentry","doc_category-coding"],"_links":{"self":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1188","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=1188"}],"version-history":[{"count":1,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1188\/revisions"}],"predecessor-version":[{"id":1189,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1188\/revisions\/1189"}],"wp:attachment":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1188"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=1188"},{"taxonomy":"doc_tag","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=1188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}