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	<id>https://arduwiki.com/html/index.php?action=history&amp;feed=atom&amp;title=Microphone_Sound_Sensor%28KY-038%29</id>
	<title>Microphone Sound Sensor(KY-038) - 편집 역사</title>
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	<updated>2026-04-29T00:26:35Z</updated>
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		<title>2025년 3월 27일 (목) 09:36에 ArduWiki님의 편집</title>
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		<updated>2025-03-27T09:36:57Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;ko&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← 이전 판&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;2025년 3월 27일 (목) 18:36 판&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;1번째 줄:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;1번째 줄:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{#seo:|title=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;아두위키 &lt;/del&gt;: &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;아두이노 소리 감지 센서&lt;/del&gt;(KY-038) &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;가이드&lt;/del&gt;|title_mode=append|keywords=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;아두이노&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;정보과학&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;메이커학습&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;수행평가&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;소리 감지 센서&lt;/del&gt;(KY-038), &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;아두이노 작품&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;캡스톤작품&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;아두이노 예제코드&lt;/del&gt;|description=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;아두이노로 소리 감지 센서(&lt;/del&gt;KY-038&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;)를 제어하는 방법&lt;/del&gt;(&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;기본정보&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;회로&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;예제 코드&lt;/del&gt;)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;을 소개합니다&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;정보과학과 메이커수업에 활용가능합니다&lt;/del&gt;.}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{#seo:|title=&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ArduWiki&lt;/ins&gt;: &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Arduino Sound Detection Sensor &lt;/ins&gt;(KY-038) &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Guide&lt;/ins&gt;|title_mode=append|keywords=&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Arduino&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Computer Science&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Maker Education&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Performance Assessment&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Sound Detection Sensor &lt;/ins&gt;(KY-038), &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Arduino Project&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Capstone Project&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Arduino Example Code&lt;/ins&gt;|description=&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;How to use the &lt;/ins&gt;KY-038 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sound detection sensor with Arduino &lt;/ins&gt;(&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;basic info&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;wiring&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;sample code&lt;/ins&gt;). &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ideal for CS and maker classes&lt;/ins&gt;.}}[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;파일&lt;/ins&gt;:소리감지ky038대표이미지.jpg|center|class=coders100]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;File&lt;/del&gt;:소리감지ky038대표이미지.jpg|center|class=coders100]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This module detects the intensity of sound and changes the output voltage according to the ambient sound level, outputting it as an analog signal.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This module detects the intensity of sound and changes the output voltage according to the ambient sound level, outputting it as an analog signal.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Microphone_Sound_Sensor(KY-038)&amp;diff=1292&amp;oldid=prev</id>
		<title>2024년 7월 10일 (수) 05:07에 ArduWiki님의 편집</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Microphone_Sound_Sensor(KY-038)&amp;diff=1292&amp;oldid=prev"/>
		<updated>2024-07-10T05:07:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;ko&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← 이전 판&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;2024년 7월 10일 (수) 14:07 판&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l68&quot;&gt;68번째 줄:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;68번째 줄:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/syntaxhighlight&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/syntaxhighlight&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=== Execution Result ===&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=== Execution Result ===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Please check the working video at the [https:&lt;/del&gt;//&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;blog.naver.com/gongzipsa/223187239751 link].&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;div class=&quot;coders70&quot;&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;youtube&amp;gt; Ja-vqIg21eQ &amp;lt;&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;youtube&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;div&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key arduwiki:diff::1.12:old-973:rev-1292 --&gt;
&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Microphone_Sound_Sensor(KY-038)&amp;diff=973&amp;oldid=prev</id>
		<title>ArduWiki: Created page with &quot;{{#seo:|title=아두위키 : 아두이노 소리 감지 센서(KY-038) 가이드|title_mode=append|keywords=아두이노, 정보과학, 메이커학습, 수행평가, 소리 감지 센서(KY-038), 아두이노 작품, 캡스톤작품, 아두이노 예제코드|description=아두이노로 소리 감지 센서(KY-038)를 제어하는 방법(기본정보, 회로, 예제 코드)을 소개합니다. 정보과학과 메이커수업에 활용가능합니다.}} File:소리감...&quot;</title>
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		<updated>2024-04-03T05:57:53Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{#seo:|title=아두위키 : 아두이노 소리 감지 센서(KY-038) 가이드|title_mode=append|keywords=아두이노, 정보과학, 메이커학습, 수행평가, 소리 감지 센서(KY-038), 아두이노 작품, 캡스톤작품, 아두이노 예제코드|description=아두이노로 소리 감지 센서(KY-038)를 제어하는 방법(기본정보, 회로, 예제 코드)을 소개합니다. 정보과학과 메이커수업에 활용가능합니다.}} File:소리감...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;새 문서&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{#seo:|title=아두위키 : 아두이노 소리 감지 센서(KY-038) 가이드|title_mode=append|keywords=아두이노, 정보과학, 메이커학습, 수행평가, 소리 감지 센서(KY-038), 아두이노 작품, 캡스톤작품, 아두이노 예제코드|description=아두이노로 소리 감지 센서(KY-038)를 제어하는 방법(기본정보, 회로, 예제 코드)을 소개합니다. 정보과학과 메이커수업에 활용가능합니다.}}&lt;br /&gt;
[[File:소리감지ky038대표이미지.jpg|center|class=coders100]]&lt;br /&gt;
This module detects the intensity of sound and changes the output voltage according to the ambient sound level, outputting it as an analog signal.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It is similar to the [[Sound Detection Module(KY-037)|KY-037]] model.&lt;br /&gt;
&lt;br /&gt;
== &amp;#039;&amp;#039;&amp;#039;Specifications&amp;#039;&amp;#039;&amp;#039; ==&lt;br /&gt;
&lt;br /&gt;
* Operating Voltage [V]: 3.3 ~ 5&lt;br /&gt;
* Frequency Range [Hz]: 50 ~ 20K&lt;br /&gt;
&lt;br /&gt;
== &amp;#039;&amp;#039;&amp;#039;Example Usage Hardware&amp;#039;&amp;#039;&amp;#039; ==&lt;br /&gt;
&lt;br /&gt;
* Arduino board&lt;br /&gt;
* Jumper cables&lt;br /&gt;
* KY-038 Sound Detection Sensor&lt;br /&gt;
&lt;br /&gt;
== &amp;#039;&amp;#039;&amp;#039;Connection&amp;#039;&amp;#039;&amp;#039; ==&lt;br /&gt;
Although the digital pin is not used in this example, please refer to it as a connection example.&lt;br /&gt;
&lt;br /&gt;
When using the KY-038 module digitally, supply power to the module in a quiet environment and then adjust the sensitivity by turning the variable resistor.&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |Arduino Uno&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |KY-038&lt;br /&gt;
|-&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |5V&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; | +&lt;br /&gt;
|-&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |GND&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |G&lt;br /&gt;
|-&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |D8&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |DO&lt;br /&gt;
|-&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |A0&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |AO&lt;br /&gt;
|}&lt;br /&gt;
[[File:Ky038 회로.png|center|class=coders100]]&lt;br /&gt;
&lt;br /&gt;
== &amp;#039;&amp;#039;&amp;#039;Example Code&amp;#039;&amp;#039;&amp;#039; ==&lt;br /&gt;
This example turns on the internal LED (pin 13) of the Arduino when sound is detected and then turns it off after a certain period.&amp;lt;syntaxhighlight lang=&amp;quot;c++&amp;quot; line=&amp;quot;1&amp;quot;&amp;gt;&lt;br /&gt;
int analogPin = A0;&lt;br /&gt;
int ledPin = 13;&lt;br /&gt;
int analogVal = 0;&lt;br /&gt;
long int past_time = 0;&lt;br /&gt;
int past_analogVal = 0;&lt;br /&gt;
&lt;br /&gt;
void setup() {&lt;br /&gt;
  pinMode(analogPin, INPUT);&lt;br /&gt;
  pinMode(ledPin, OUTPUT);&lt;br /&gt;
  digitalWrite(ledPin, HIGH);&lt;br /&gt;
  Serial.begin(9600);&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void loop() {&lt;br /&gt;
  analogVal = analogRead(analogPin);&lt;br /&gt;
  if (millis() - past_time &amp;gt; 1000) {&lt;br /&gt;
    if (abs(past_analogVal - analogVal) &amp;gt; 3) {&lt;br /&gt;
      digitalWrite(ledPin, !digitalRead(ledPin));&lt;br /&gt;
      past_analogVal = analogVal;&lt;br /&gt;
      past_time = millis();&lt;br /&gt;
    }&lt;br /&gt;
  }&lt;br /&gt;
  delay(10);&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/syntaxhighlight&amp;gt;&lt;br /&gt;
&lt;br /&gt;
=== Execution Result ===&lt;br /&gt;
Please check the working video at the [https://blog.naver.com/gongzipsa/223187239751 link].&lt;/div&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
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