{"id":14782,"date":"2021-10-14T10:09:00","date_gmt":"2021-10-14T02:09:00","guid":{"rendered":"http:\/\/222.73.203.234:9999\/?p=14782"},"modified":"2022-12-08T13:26:47","modified_gmt":"2022-12-08T05:26:47","slug":"%e5%9c%a8arduino%e4%b8%8a%e4%bd%bf%e7%94%a8%e4%bc%a0%e6%84%9f%e5%99%a8%ef%bc%9a%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e5%8f%af%e4%bb%a5%e6%a3%80%e6%b5%8b%e8%bf%90%e5%8a%a8%e5%b9%b6%e4%bd%9c%e5%87%ba-2","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/tech-info\/arduino\/14782","title":{"rendered":"\u5728Arduino\u4e0a\u4f7f\u7528\u4f20\u611f\u5668\uff1a\u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u68c0\u6d4b\u8fd0\u52a8\u5e76\u4f5c\u51fa\u54cd\u5e94\u7684\u7b80\u5355\u8bbe\u5907"},"content":{"rendered":"<p>\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u591a\u529f\u80fd\u4f20\u611f\u5668\uff0c\u53ef\u4ee5\u5e94\u7528\u5230\u60a8\u7684Arduino\u9879\u76ee\u4e2d\u3002\u987e\u540d\u601d\u4e49\uff0c\u5b83\u5229\u7528\u8d85\u58f0\u6ce2\u6765\u68c0\u6d4b\u51fa\u73b0\u7684\u7269\u4f53\u4ee5\u53ca\u7269\u4f53\u7684\u8ddd\u79bb\u3002\u8fd9\u79cd\u8bbe\u5907\u53ef\u7528\u4e8e\u52a8\u4f5c\u8bc6\u522b\uff0c\u6216\u8005\u5728\u68c0\u6d4b\u8303\u56f4\u5185\u51fa\u73b0\u76ee\u6807\u5bf9\u8c61\u65f6\u4f5c\u51fa\u54cd\u5e94\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9342\" src=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor1.jpg\" sizes=\"auto, (max-width: 259px) 100vw, 259px\" srcset=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor1.jpg 259w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor1-195x146.jpg 195w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor1-50x37.jpg 50w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor1-100x75.jpg 100w\" alt=\"\" width=\"259\" height=\"194\"><br \/>\n\u5f53\u7136\uff0c\u60a8\u4e5f\u8bb8\u4f1a\u60f3\u77e5\u9053\u7684\u662fArduino\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7a76\u7adf\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<br \/>\n\u4e3a\u4e86\u63cf\u8ff0\u5b83\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u672c\u6307\u5357\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u6765\u7ec4\u88c5\u4e00\u4e2a\u7b80\u5355\u7684\u4e50\u5668\u3002<br \/>\n&lt;h3\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u5de5\u4f5c\u539f\u7406 \u6211\u4eec\u4eca\u5929\u8981\u4e86\u89e3\u7684\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u662f<a href=\"https:\/\/www.amazon.com\/HY-SRF05-HC-SR05-Precise-Ultrasonic-Arduino\/dp\/B0160ZLFZC\">HC-SR05<\/a>, \u5b83\u662f\u65e7\u7248HC-SR04\u76845\u5f15\u811a\u5347\u7ea7\u7248\u672c\u3002\u8be5\u8bbe\u5907\u5177\u6709\u4e24\u4e2a\u5706\u67f1\u5f62\u6a21\u5757\u3002\u4e00\u4e2a\u662f\u53d1\u51fa\u8d85\u58f0\u6ce2\u4fe1\u53f7\u7684\u53d1\u5c04\u5668\uff0c\u53e6\u4e00\u4e2a\u662f\u63a5\u6536\u5668\uff0c\u4f1a\u6355\u83b7\u5230\u8fbe\u7269\u4f53\u540e\u53cd\u5f39\u56de\u6765\u7684\u4fe1\u53f7\u3002\u901a\u8fc7\u6d4b\u91cf\u4fe1\u53f7\u8fd4\u56de\u7684\u65f6\u95f4\uff0c\u4f20\u611f\u5668\u53ef\u4ee5\u8ba1\u7b97\u51fa\u7269\u4f53\u7684\u8ddd\u79bb\u3002<br \/>\n\u867d\u7136\u5176\u4ed6\u4f20\u611f\u5668\uff08\u5982\u88ab\u52a8\u7ea2\u5916\u7ebf\u8fd0\u52a8\u4f20\u611f\u5668\uff09\u4e5f\u5177\u6709\u7c7b\u4f3c\u7684\u529f\u80fd\uff0c\u4f46\u662f\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u7684\u529f\u7528\u66f4\u5f3a\uff0c\u56e0\u4e3a\u5b83\u4f7f\u60a8\u7684\u9879\u76ee\u4e0d\u4ec5\u53ef\u4ee5\u68c0\u6d4b\u5230\u9762\u524d\u7ecf\u8fc7\u7684\u7269\u4f53\uff0c\u8fd8\u53ef\u4ee5\u533a\u5206\u51fa\u4e0d\u540c\u7269\u4f53\u7684\u8ddd\u79bb\u8fdc\u8fd1\u3002<br \/>\n\u6211\u4eec\u4f7f\u7528\u8fd9\u79cd\u6280\u672f\u6765\u521b\u5efa\u4e00\u4e2a\u6d6e\u52a8\u7684\u4e50\u5668\u3002\u8be5\u9879\u76ee\u4e0d\u662f\u901a\u8fc7\u6309\u4e0b\u94a2\u7434\u952e\u6765\u5f39\u594f\u97f3\u7b26\uff0c\u800c\u662f\u8ba9\u60a8\u628a\u4e00\u4e2a\u7269\u4f53\u2014\u6bd4\u5982\u4e00\u6839\u68cd\u5b50\u6216\u8005\u60a8\u7684\u624b\u6307\u2014\u653e\u5728\u4f20\u611f\u5668\u524d\u9762\uff0c\u6839\u636e\u7269\u4f53\u4e0e\u4f20\u611f\u5668\u4e4b\u95f4\u7684\u8ddd\u79bb\u6765\u64ad\u653e\u4e0d\u540c\u7684\u97f3\u7b26\u3002\u8fd9\u5e76\u4e0d\u80fd\u6253\u9020\u51fa\u94a2\u7434\u7684\u6548\u679c\uff0c\u4f46\u662f\u901a\u8fc7\u521b\u5efa\u8be5\u9879\u76ee\uff0c\u60a8\u53ef\u4ee5\u4e86\u89e3\u80fd\u7528\u8fd9\u6b3e\u4fbf\u5229\u7684Arduino\u58f0\u97f3\u4f20\u611f\u5668\u6765\u505a\u4ec0\u4e48\u3002<\/p>\n<h3>\u6240\u9700\u7ec4\u4ef6<\/h3>\n<p>\u4e3a\u4e86\u521b\u5efa\u8be5\u9879\u76ee\uff0c\u60a8\u9700\u8981\u5177\u5907\u4ee5\u4e0b\u7ec4\u4ef6\uff1a<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"217\"><a href=\"https:\/\/store.arduino.cc\/arduino-uno-rev3\"><strong>Arduino Uno<\/strong><\/a><\/td>\n<td width=\"256\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9343\" src=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor2.png\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" srcset=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor2.png 267w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor2-206x146.png 206w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor2-50x35.png 50w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor2-106x75.png 106w\" alt=\"\" width=\"267\" height=\"189\"><\/td>\n<\/tr>\n<tr>\n<td width=\"217\"><a href=\"https:\/\/www.amazon.com\/HY-SRF05-HC-SR05-Precise-Ultrasonic-Arduino\/dp\/B0160ZLFZC\"><strong>HC-SR05 \u8d85\u58f0\u6ce2\u4f20\u611f\u5668<\/strong><\/a> \uff08\u53ef\u4ee5\u4f7f\u7528HC-SR04\u6216\u5176\u4ed6\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\uff0c\u4f46\u9700\u8981\u4fee\u6539\u5f15\u811a\u914d\u7f6e\uff09<\/td>\n<td width=\"256\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9344\" src=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3.png\" sizes=\"auto, (max-width: 489px) 100vw, 489px\" srcset=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3.png 489w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3-300x300.png 300w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3-150x150.png 150w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3-146x146.png 146w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3-50x50.png 50w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3-75x75.png 75w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3-85x85.png 85w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor3-80x80.png 80w\" alt=\"\" width=\"489\" height=\"489\"><\/td>\n<\/tr>\n<tr>\n<td width=\"217\"><a href=\"https:\/\/www.arduino.cc\/en\/main\/software\"><strong>Arduino IDE<\/strong><\/a><\/td>\n<td width=\"256\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9345\" src=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4.png\" sizes=\"auto, (max-width: 1214px) 100vw, 1214px\" srcset=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4.png 1214w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4-300x102.png 300w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4-1024x349.png 1024w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4-768x262.png 768w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4-260x89.png 260w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4-50x17.png 50w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor4-150x51.png 150w\" alt=\"\" width=\"630\" height=\"220\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u60a8\u8fd8\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u786c\u4ef6\uff0c\u90fd\u662f\u6bd4\u8f83\u901a\u7528\u7684\u8bbe\u5907\uff1a<br \/>\n\u25cf <strong>\u626c\u58f0\u5668<\/strong>: \u5927\u591a\u6570\u7b80\u5355\u7684\u626c\u58f0\u5668\u6a21\u5757\u90fd\u53ef\u4ee5\uff0c\u672c\u9879\u76ee\u4f7f\u7528\u7684\u662f<a href=\"https:\/\/www.adafruit.com\/product\/3351\">\u8be5\u6b3e\u7b80\u5355\u7684\u5355\u58f0\u9053\u626c\u58f0\u5668<\/a>\u3002<br \/>\n\u25cf <strong>USB \u7535\u7f06<\/strong> \u5982\u679c\u60a8\u8fd8\u6ca1\u6709\u8bbe\u7f6eArduino IDE\uff0c\u53ef\u4ee5\u5148\u67e5\u9605<a href=\"https:\/\/www.deviceplus.com\/arduino\/create-your-first-sketch-and-learn-more-about-the-programming-language\/\">\u6211\u4eec\u4e4b\u524d\u53d1\u5e03\u7684\u6307\u5357<\/a>\u3002<\/p>\n<h3>\u4ee3\u7801<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b\u8981\u4e0a\u4f20\u5230Arduino Uno\u7684\u4ee3\u7801\uff0c\u4e86\u89e3\u5c06\u8981\u6267\u884c\u7684\u64cd\u4f5c\u3002<br \/>\n<span style=\"color: #00ccff;\">void setup() {<br \/>\n<\/span><span style=\"color: #00ccff;\">pinMode (6,OUTPUT); \/\/Insert HC-SR-05 with VCC in pin 6<br \/>\n<\/span><span style=\"color: #00ccff;\">pinMode (5, INPUT); \/\/ Assign pin 5 to Echo<br \/>\n<\/span><span style=\"color: #00ccff;\">pinMode (4, OUTPUT);\/\/ Assign pin 4 to Trig<br \/>\n<\/span><span style=\"color: #00ccff;\">pinMode (2,OUTPUT); \/\/ Assign pin 2 to GND.<br \/>\n<\/span><span style=\"color: #00ccff;\">Serial.begin(9600); \/\/ This will allow you to read how far away your sensor is later<br \/>\n<\/span><span style=\"color: #00ccff;\">}<\/span><br \/>\n<span style=\"color: #00ccff;\">void loop()<br \/>\n<\/span><span style=\"color: #00ccff;\">{<br \/>\n<\/span><span style=\"color: #00ccff;\">long duration, cm; \/\/ Initialize variables for duration and cm<\/span><br \/>\n<span style=\"color: #00ccff;\">digitalWrite(6, HIGH); \/\/ Power the sensor<br \/>\n<\/span><span style=\"color: #00ccff;\">digitalWrite(4, LOW); \/\/ Clear pulse before sending a 10 microsecond ping,<br \/>\n<\/span><span style=\"color: #00ccff;\">delayMicroseconds(2);<br \/>\n<\/span><span style=\"color: #00ccff;\">digitalWrite(4, HIGH);<br \/>\n<\/span><span style=\"color: #00ccff;\">delayMicroseconds(10);<br \/>\n<\/span><span style=\"color: #00ccff;\">digitalWrite(4, LOW);<\/span><br \/>\n<span style=\"color: #00ccff;\">duration = pulseIn(5, HIGH); \/\/ Detect pulse length from the Echo pin, measured in microseconds<br \/>\n<\/span><span style=\"color: #00ccff;\">cm = (duration\/2)\/29.155; \/\/ Divide duration in half (due to round trip), then convert distance to centimeters (1cm per 29.155 microseconds), assign to cm variable<\/span><br \/>\n<span style=\"color: #00ccff;\">Serial.print(cm); \/\/ Print distance in cm to serial monitor<br \/>\n<\/span><span style=\"color: #00ccff;\">Serial.print(\u201ccm\u201d);<br \/>\n<\/span><span style=\"color: #00ccff;\">Serial.println();<\/span><br \/>\n<span style=\"color: #00ccff;\">delay(100); \/\/ Delay<\/span><br \/>\n<span style=\"color: #00ccff;\">int note = 0; \/\/ Assign note based on distance, spacing notes per 6cm<\/span><br \/>\n<span style=\"color: #00ccff;\">if(cm&lt;=48&amp;&amp;cm&gt;42) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 523;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=42&amp;&amp;cm&gt;36) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 493;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=36&amp;&amp;cm&gt;30) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 440;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=30&amp;&amp;cm&gt;24) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 392;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=24&amp;&amp;cm&gt;18) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 349;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=18&amp;&amp;cm&gt;12) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 329;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=12&amp;&amp;cm&gt;6) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 294;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=6) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 261;<br \/>\n<\/span><span style=\"color: #00ccff;\">}<br \/>\n<\/span><span style=\"color: #00ccff;\">if (note == 0) { \/\/ If distance isn\u2019t within 48cm, play nothing<\/span> <span style=\"color: #00ccff;\">noTone(9);<br \/>\n<\/span><span style=\"color: #00ccff;\">} else {<br \/>\n<\/span><span style=\"color: #00ccff;\">tone(9, note, 200); \/\/ Play assigned note for 200 milliseconds<br \/>\n<\/span><span style=\"color: #00ccff;\">}<\/span><br \/>\n<span style=\"color: #00ccff;\">delay(10); \/\/ Brief pause<br \/>\n<\/span><span style=\"color: #00ccff;\">}<\/span><br \/>\n\u60a8\u53ef\u4ee5\u5c06\u4e0a\u8ff0\u4ee3\u7801\u590d\u5236\u5230\u60a8\u7684IDE\u4e2d\uff0c\u5c06\u5176\u4e0a\u4f20\u5230Uno\uff0c\u5982\u679c\u60a8\u60f3\u8fd0\u884c\u8be5\u4ee3\u7801\uff0c\u53ef\u4ee5\u7ee7\u7eed\u8fdb\u884c\u4e0b\u4e00\u90e8\u5206\uff0c\u4f46\u662f\u8fd9\u90e8\u5206\u7684\u4ee3\u7801\u5f88\u91cd\u8981\uff0c\u6709\u5fc5\u8981\u5bf9\u5176\u8fdb\u884c\u5206\u6790\u548c\u7406\u89e3\u3002\u9996\u5148\uff1a<br \/>\n<span style=\"color: #00ccff;\">digitalWrite(6, HIGH); \/\/ Power the sensor<br \/>\n<\/span><span style=\"color: #00ccff;\">digitalWrite(4, LOW); \/\/ Clear pulse before sending a 10 microsecond ping,<br \/>\n<\/span><span style=\"color: #00ccff;\">delayMicroseconds(2);<br \/>\n<\/span><span style=\"color: #00ccff;\">digitalWrite(4, HIGH);<br \/>\n<\/span><span style=\"color: #00ccff;\">delayMicroseconds(10);<br \/>\n<\/span><span style=\"color: #00ccff;\">digitalWrite(4, LOW);<\/span><br \/>\n<span style=\"color: #00ccff;\">duration = pulseIn(5, HIGH); \/\/ Detect pulse length from the Echo pin, measured in microseconds<br \/>\n<\/span><span style=\"color: #00ccff;\">cm = (duration\/2)\/29.155; \/\/ Divide duration in half (due to round trip), then convert distance to centimeters (1cm per 29.155 microseconds), assign to cm variable<\/span><br \/>\n\u8fd9\u90e8\u5206\u7684\u64cd\u4f5c\u662f\u5728Trig\u5f15\u811a\u4e0a\u53d1\u51fa40KHz\u8109\u51b2\u3002\u8fd9\u79cd\u8d85\u58f0\u6ce2\u4fe1\u53f7\u4f1a\u5728\u5b83\u63a5\u89e6\u7684\u6240\u6709\u7269\u4f53\u4e0a\u53d1\u751f\u53cd\u5c04\uff0c\u7136\u540e\u8fd4\u56de\u5230\u63a5\u6536\u5668\u3002<br \/>\n\u63a5\u4e0b\u6765\uff0c<strong><a href=\"https:\/\/www.arduino.cc\/reference\/en\/language\/functions\/advanced-io\/pulsein\/\">pulseIn()<\/a><\/strong> \u51fd\u6570\u6d4b\u91cf\u4ece\u8109\u51b2\u79bb\u5f00\u4f20\u611f\u5668\u5230\u63a5\u6536\u5668\u68c0\u6d4b\u5230\u8fd4\u56de\u4fe1\u53f7\u6240\u7528\u7684\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u5fae\u79d2\u3002<br \/>\n\u7136\u540e\u5c06\u8be5\u65f6\u95f4\u9664\u4ee52\uff0c\u56e0\u4e3a\u8fd9\u662f\u4fe1\u53f7\u5f80\u8fd4\u82b1\u8d39\u7684\u603b\u65f6\u95f4\u3002\u8fd9\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e8640KHz\u58f0\u97f3\u4f20\u64ad\u5230\u7269\u4f53\u6240\u9700\u7684\u5fae\u79d2\u6570\u3002\u7531\u4e8e\u58f0\u97f3\u4f20\u64ad1\u5398\u7c73\u5927\u7ea6\u9700\u898129.155\u5fae\u79d2\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u5c06\u8ba1\u7b97\u51fa\u7684\u65f6\u95f4\u9664\u4ee529.155\u3002\u4ee5\u6b64\u6211\u4eec\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\u76ee\u6807\u5bf9\u8c61\u7684\u8ddd\u79bb\uff0c\u5355\u4f4d\u4e3a\u5398\u7c73\uff0c\u7136\u540e\u5c06\u8be5\u8ddd\u79bb\u503c\u5206\u914d\u7ed9cm\u53d8\u91cf\u3002<br \/>\n\u63a5\u4e0b\u6765\u7684\u51e0\u884c\u4ee3\u7801\u4f1a\u5c06\u8ddd\u79bb\uff08\u4ee5\u5398\u7c73\u4e3a\u5355\u4f4d\uff09\u6253\u5370\u5230\u4e32\u884c\u76d1\u89c6\u5668\uff0c\u8fd9\u6709\u52a9\u4e8e\u786e\u8ba4\u4ee3\u7801\u8fd0\u884c\u6b63\u5e38\uff0c\u5e76\u4fbf\u4e8e\u6211\u4eec\u5728\u8fd0\u884c\u7a0b\u5e8f\u65f6\u67e5\u770b\u7269\u4f53\u7684\u8ddd\u79bb\u3002<br \/>\n\u4ee3\u7801\u7684\u6700\u540e\u4e3b\u8981\u76f8\u5173\u90e8\u5206\u662f\u8fd9\u6837\u7684\uff1a<br \/>\n<span style=\"color: #00ccff;\">int note = 0; \/\/ Assign note based on distance, spacing notes per 6cm<\/span><br \/>\n<span style=\"color: #00ccff;\">if(cm&lt;=48&amp;&amp;cm&gt;42) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 523;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=42&amp;&amp;cm&gt;36) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 493;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=36&amp;&amp;cm&gt;30) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 440;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=30&amp;&amp;cm&gt;24) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 392;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=24&amp;&amp;cm&gt;18) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 349;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=18&amp;&amp;cm&gt;12) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 329;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=12&amp;&amp;cm&gt;6) {<br \/>\n<\/span><span style=\"color: #00ccff;\">note = 294;<br \/>\n<\/span><span style=\"color: #00ccff;\">} else if(cm&lt;=6) {<\/span> <span style=\"color: #00ccff;\">note = 261;<br \/>\n<\/span><span style=\"color: #00ccff;\">}<\/span><br \/>\n<span style=\"color: #00ccff;\">if (note == 0) { \/\/ If distance isn\u2019t within 48cm, play nothing<\/span> <span style=\"color: #00ccff;\">noTone(9);<br \/>\n<\/span><span style=\"color: #00ccff;\">} else {<br \/>\n<\/span><span style=\"color: #00ccff;\">tone(9, note, 200); \/\/ Play assigned note for 200 milliseconds<br \/>\n<\/span><span style=\"color: #00ccff;\">}<\/span><br \/>\n\u8be5\u4ee3\u7801\u5757\u5c06\u6839\u636e\u7269\u4f53\u7684\u8ddd\u79bb\u4e3a\u626c\u58f0\u5668\u5206\u914d\u4e00\u4e2a\u9891\u7387\u3002 \u6b64Arduino\u53c2\u8003\u6587\u6863 \u5217\u51fa\u4e86\u4e00\u7cfb\u5217\u97f3\u7b26\u7684\u9891\u7387\uff0c\u6211\u4eec\u5c06\u4ee5\u6b64\u4f5c\u4e3a\u53c2\u8003\u3002 \u4f7f\u7528<a href=\"https:\/\/www.arduino.cc\/reference\/en\/language\/structure\/control-structure\/else\/\"> if else \u8bed\u53e5<\/a> \u6765\u6839\u636e\u76ee\u6807\u5bf9\u8c61\u7684\u8ddd\u79bb\uff08\u4ee56cm\u4e3a\u589e\u91cf\uff09\u4e3a\u97f3\u7b26\u53d8\u91cf\u5206\u914d\u4e00\u4e2a\u9891\u7387\uff0c\u53ef\u5728\u6574\u4e2a\u516b\u5ea6\u97f3\u9636\u8303\u56f4\u5185\u63d0\u4f9b\u516b\u4e2a\u97f3\u7b26\u3002\u5982\u679c\u6ca1\u6709\u68c0\u6d4b\u5230\u4efb\u4f55\u7269\u4f53\uff0c\u97f3\u7b26\u53d8\u91cf\u503c\u4e3a0\u3002<br \/>\n\u5728\u6700\u540e\u4e00\u90e8\u5206\u4e2d\uff0c<strong><a href=\"https:\/\/www.arduino.cc\/reference\/en\/language\/functions\/advanced-io\/tone\/\">tone() \u51fd\u6570<\/a><\/strong> \u7528\u6765\u64ad\u653e\u97f3\u7b26\uff0c\u5982\u679c48cm\u5185\u6ca1\u6709\u68c0\u6d4b\u5230\u7269\u4f53\uff0c<strong><a href=\"https:\/\/www.arduino.cc\/reference\/en\/language\/functions\/advanced-io\/notone\/\">noTone()\u51fd\u6570<\/a><\/strong> \u5c06\u4f1a\u505c\u6b62\u524d\u4e00\u4e2a\u58f0\u97f3\u7684\u64ad\u653e\u3002\u5728\u5f00\u59cb\u5faa\u73af\u4e4b\u524d\u7684\u6700\u540e\u4e00\u4e2a\u6307\u4ee4\u662f<strong>delay()<\/strong>\u3002\u8fd9\u4e9b\u5ef6\u8fdf\u6709\u52a9\u4e8e\u907f\u514d\u7a0b\u5e8f\u66f4\u6539\u97f3\u7b26\u8fc7\u5feb\uff0c\u56e0\u4e3a\u4f20\u611f\u5668\u7684\u7cbe\u786e\u5ea6\u6ca1\u6709\u90a3\u4e48\u9ad8\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-9346\" src=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor5.jpg\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor5.jpg 300w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor5-260x146.jpg 260w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor5-50x28.jpg 50w, https:\/\/www.deviceplus.com\/wp-content\/uploads\/2020\/06\/adsensor5-134x75.jpg 134w\" alt=\"\" width=\"300\" height=\"168\"><\/p>\n<h3>\u63a5\u7ebf<\/h3>\n<p>\u4e86\u89e3\u4e86\u4ee3\u7801\u5982\u4f55\u8fd0\u884c\u4e4b\u540e\uff0c\u60a8\u5c31\u53ef\u4ee5\u5c06\u5176\u4e0a\u4f20\u5230Arduino Uno\u4e0a\u4e86\uff0c\u7136\u540e\u62d4\u6389\u8bbe\u5907\u3002\u73b0\u5728\uff0c\u662f\u65f6\u5019\u5c06\u5b83\u4eec\u8fde\u63a5\u8d77\u6765\u4e86\u3002\u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86\u4ee3\u7801\u7684\u7f16\u5199\u4ee5\u5c3d\u53ef\u80fd\u7b80\u5316\u8be5\u8fc7\u7a0b\u3002\u60a8\u6240\u8981\u505a\u7684\u5c31\u662f\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u64cd\u4f5c\uff1a<br \/>\n\u25cf \u5c06HC-SR05\u4f20\u611f\u5668\u63d2\u5165\u6570\u5b57\u5f15\u811a2\u52306\uff0cGND\u63d2\u5165\u5f15\u811a2\uff0cVCC\u63d2\u5165\u5f15\u811a6\u3002\u8fd9\u6837\u8fde\u63a5\u53ef\u4ee5\u4f7f\u4f20\u611f\u5668\u671d\u5411\u5916\u4fa7\uff0c\u8fdc\u79bbArduino\u3002<br \/>\n\u25cf \u5c06\u626c\u58f0\u5668\u4e0a\u7684\u6b63\u6781\u7ebf\uff08\u901a\u5e38\u4e3a\u7ea2\u8272\uff09\u63d2\u5165\u5f15\u811a9\u3002<br \/>\n\u25cf \u5c06\u53e6\u4e00\u6839\u626c\u58f0\u5668\u7ebf\uff08\u901a\u5e38\u4e3a\u9ed1\u8272\uff09\u63d2\u5165\u5176\u4e2d\u4e00\u4e2aGND\u5f15\u811a\u3002 \u8fde\u63a5\u597d\u6240\u6709\u7535\u7ebf\u597d\uff0c\u63d2\u5165Arduino\uff0c\u5e76\u5728\u4f20\u611f\u5668\u524d\u7559\u51fa\u5927\u7ea650\u5398\u7c73\u7684\u7a7a\u95f4\u3002\u63a5\u4e0b\u6765\u662f\u6700\u6709\u8da3\u7684\u90e8\u5206\u3002\u5c06\u60a8\u7684\u624b\u6216\u8005\u4e00\u6839\u5c0f\u68cd\u5b50\u653e\u5728\u4f20\u611f\u5668\u524d\u9762\uff0c\u60a8\u4f1a\u542c\u5230\u626c\u58f0\u5668\u53d1\u51fa\u7684\u58f0\u97f3\u3002\u7269\u4f53\u653e\u7f6e\u7684\u8d8a\u8fdc\uff0c\u97f3\u8c03\u8d8a\u9ad8\u3002<br \/>\n\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528<strong>delay()<\/strong>\u548c<strong>tone()<\/strong>\u6240\u5e26\u6765\u7684\u6301\u7eed\u65f6\u95f4\u4f7f\u58f0\u97f3\u542c\u8d77\u6765\u66f4\u5e73\u6ed1\uff0c\u6216\u8c03\u6574\u9891\u7387\u503c\u4ee5\u83b7\u5f97\u4e0d\u540c\u7684\u97f3\u7b26\u3002\u8be5\u4f20\u611f\u5668\u8fd8\u53ef\u4ee5\u7528\u4f5c\u62a5\u8b66\u5668\uff0c\u4ee5\u5728\u7269\u4f53\u8fdb\u5165\u4e00\u5b9a\u8303\u56f4\u5185\u7684\u533a\u57df\u65f6\u53d1\u51fa\u8b66\u62a5\uff0c\u6216\u8005\u5f53\u60a8\u7684\u624b\u5904\u4e8e\u67d0\u4e00\u8ddd\u79bb\u8303\u56f4\u5185\u65f6\u5411\u60a8\u7684\u8ba1\u7b97\u673a\u53d1\u9001\u6307\u4ee4\u3002<\/p>\n<div class=\"author-box-wrapper\">\n<div class=\"avatar-wrapper\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/micro.wfjydl.com\/deviceplus\/wp-content\/uploads\/2018\/08\/Device-Plus-logo-for-author-info-75x75.png\" alt=\"DevicePlus \u7f16\u8f91\u56e2\u961f\" width=\"64\" height=\"64\"><\/div>\n<div class=\"desc-wrapper\">\n<h5>DevicePlus \u7f16\u8f91\u56e2\u961f<\/h5>\n<div class=\"desc\">\u8bbe\u5907\u5347\u7ea7\u7248\u9002\u7528\u4e8e\u6240\u6709\u70ed\u7231\u7535\u5b50\u548c\u673a\u7535\u4e00\u4f53\u5316\u7684\u4eba\u3002<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"\u8d85\u58f0\u6ce2\u4f20\u611f\u5668\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u591a\u529f\u80fd\u4f20\u611f\u5668\uff0c\u53ef\u4ee5\u5e94\u7528\u5230\u60a8\u7684Arduino\u9879\u76ee\u4e2d\u3002\u987e\u540d\u601d\u4e49\uff0c\u5b83\u5229\u7528\u8d85\u58f0\u6ce2\u6765\u68c0\u6d4b\u51fa\u73b0\u7684\u7269\u4f53\u4ee5\u53ca\u7269\u4f53\u7684\u8ddd\u79bb\u3002\u8fd9\u79cd\u8bbe\u5907\u53ef\u7528\u4e8e\u52a8\u4f5c\u8bc6\u522b\uff0c\u6216\u8005\u5728\u68c0\u6d4b\u8303\u56f4\u5185\u51fa\u73b0\u76ee\u6807\u5bf9\u8c61\u65f6\u4f5c\u51fa\u54cd\u5e94\u3002 \u5f53\u7136\uff0c\u60a8\u4e5f\u8bb8\u4f1a\u60f3\u77e5\u9053\u7684\u662fA [&hellip;]","protected":false},"author":7,"featured_media":15898,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1130],"tags":[],"class_list":["post-14782","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-arduino"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/14782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=14782"}],"version-history":[{"count":2,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/14782\/revisions"}],"predecessor-version":[{"id":21797,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/14782\/revisions\/21797"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/15898"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=14782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=14782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=14782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}