<?xml version="1.0"?>
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	<id>https://arduwiki.com/html/index.php?action=history&amp;feed=atom&amp;title=Relay_Module_En</id>
	<title>Relay Module En - 편집 역사</title>
	<link rel="self" type="application/atom+xml" href="https://arduwiki.com/html/index.php?action=history&amp;feed=atom&amp;title=Relay_Module_En"/>
	<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;action=history"/>
	<updated>2026-04-28T21:24:24Z</updated>
	<subtitle>이 문서의 편집 역사</subtitle>
	<generator>MediaWiki 1.40.1</generator>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=2459&amp;oldid=prev</id>
		<title>2025년 3월 27일 (목) 08:55에 ArduWiki님의 편집</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=2459&amp;oldid=prev"/>
		<updated>2025-03-27T08:55:28Z</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) 17:55 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-l527&quot;&gt;527번째 줄:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;527번째 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;*Traffic Lights: Relays can be used to control traffic signal systems.&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;*Traffic Lights: Relays can be used to control traffic signal systems.&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;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&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;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&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;== &#039;&#039;&#039;Purchase Links&#039;&#039;&#039; ==&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&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;[https://gongzipsa.com/shop/1699939308 GONGZIPSA]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key arduwiki:diff::1.12:old-1754:rev-2459 --&gt;
&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1754&amp;oldid=prev</id>
		<title>ArduWiki: /* 2. Dual Channel Relay */</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1754&amp;oldid=prev"/>
		<updated>2024-08-09T08:33:05Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;2. Dual Channel Relay&lt;/span&gt;&lt;/span&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;2024년 8월 9일 (금) 17:33 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-l112&quot;&gt;112번째 줄:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;112번째 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;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; 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;=== 2. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Dual &lt;/del&gt;Channel Relay ===&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;=== 2. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2-&lt;/ins&gt;Channel Relay ===&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 example controls each LED connected to the two channels so that they turn on in sequence and then turn off again.&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 example controls each LED connected to the two channels so that they turn on in sequence and then turn off again.&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;!-- diff cache key arduwiki:diff::1.12:old-1753:rev-1754 --&gt;
&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1753&amp;oldid=prev</id>
		<title>ArduWiki: /* Purchase Links */</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1753&amp;oldid=prev"/>
		<updated>2024-08-09T08:31:54Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Purchase Links&lt;/span&gt;&lt;/span&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;2024년 8월 9일 (금) 17:31 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-l527&quot;&gt;527번째 줄:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;527번째 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;*Traffic Lights: Relays can be used to control traffic signal systems.&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;*Traffic Lights: Relays can be used to control traffic signal systems.&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;== &amp;#039;&amp;#039;&amp;#039;Purchase Links&amp;#039;&amp;#039;&amp;#039; ==&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;#039;&amp;#039;&amp;#039;Purchase Links&amp;#039;&amp;#039;&amp;#039; ==&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;* &lt;/del&gt;[https://gongzipsa.com/shop/1699939308 GONGZIPSA]&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;[https://gongzipsa.com/shop/1699939308 GONGZIPSA]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key arduwiki:diff::1.12:old-1752:rev-1753 --&gt;
&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1752&amp;oldid=prev</id>
		<title>ArduWiki: /* Applications */</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1752&amp;oldid=prev"/>
		<updated>2024-08-09T08:31:35Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Applications&lt;/span&gt;&lt;/span&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;2024년 8월 9일 (금) 17:31 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-l528&quot;&gt;528번째 줄:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;528번째 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;div&gt;*Traffic Lights: Relays can be used to control traffic signal systems.&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;*Traffic Lights: Relays can be used to control traffic signal systems.&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; 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;/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;== &#039;&#039;&#039;Purchase Links&#039;&#039;&#039; &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; 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;== &#039;&#039;&#039;Purchase Links&#039;&#039;&#039;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&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;* [https://gongzipsa.com/shop/1699939308 GONGZIPSA]&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;* [https://gongzipsa.com/shop/1699939308 GONGZIPSA]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key arduwiki:diff::1.12:old-1751:rev-1752 --&gt;
&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1751&amp;oldid=prev</id>
		<title>ArduWiki: /* 2-1. Connections */</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1751&amp;oldid=prev"/>
		<updated>2024-08-09T08:30:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;2-1. Connections&lt;/span&gt;&lt;/span&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;2024년 8월 9일 (금) 17:30 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-l121&quot;&gt;121번째 줄:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;121번째 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;div&gt;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |2ch Relay Module&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;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |2ch Relay Module&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;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |Resistor1&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;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |Resistor1&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;| colspan=&quot;1&quot; rowspan=&quot;1&quot; |&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Resistor22&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;| colspan=&quot;1&quot; rowspan=&quot;1&quot; |&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Resistor2&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;div&gt;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |LED1&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;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |LED1&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;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |LED2&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;| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |LED2&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key arduwiki:diff::1.12:old-1750:rev-1751 --&gt;
&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1750&amp;oldid=prev</id>
		<title>2024년 8월 9일 (금) 08:30에 ArduWiki님의 편집</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1750&amp;oldid=prev"/>
		<updated>2024-08-09T08:30:31Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;amp;diff=1750&amp;amp;oldid=1749&quot;&gt;차이 보기&lt;/a&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1749&amp;oldid=prev</id>
		<title>ArduWiki: ArduWiki님이 1-Channel Relay Module 문서를 넘겨주기를 만들지 않고 Relay Module En 문서로 이동했습니다: 철자가 잘못된 제목</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=1749&amp;oldid=prev"/>
		<updated>2024-08-09T08:17:33Z</updated>

		<summary type="html">&lt;p&gt;ArduWiki님이 &lt;a href=&quot;/html/index.php?title=1-Channel_Relay_Module&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;1-Channel Relay Module (없는 문서)&quot;&gt;1-Channel Relay Module&lt;/a&gt; 문서를 넘겨주기를 만들지 않고 &lt;a href=&quot;/wiki/Relay_Module_En&quot; title=&quot;Relay Module En&quot;&gt;Relay Module En&lt;/a&gt; 문서로 이동했습니다: 철자가 잘못된 제목&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;2024년 8월 9일 (금) 17:17 판&lt;/td&gt;
				&lt;/tr&gt;
&lt;!-- diff cache key arduwiki:diff::1.12:old-930:rev-1749 --&gt;
&lt;/table&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
	<entry>
		<id>https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=930&amp;oldid=prev</id>
		<title>ArduWiki: Created page with &quot;{{#seo:|title=아두위키 : 아두이노 1채널 릴레이 모듈 가이드|title_mode=append|keywords=아두이노, 정보과학, 메이커학습, 수행평가, 1채널 릴레이 모듈, 아두이노 작품, 캡스톤작품, 아두이노 예제코드|description=아두이노로 1채널 릴레이 모듈을 제어하는 방법(기본정보, 회로, 예제 코드)을 소개합니다. 정보과학과 메이커수업에 활용가능합니다.}} File:1채널릴레이c069...&quot;</title>
		<link rel="alternate" type="text/html" href="https://arduwiki.com/html/index.php?title=Relay_Module_En&amp;diff=930&amp;oldid=prev"/>
		<updated>2024-03-24T07:19:56Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{#seo:|title=아두위키 : 아두이노 1채널 릴레이 모듈 가이드|title_mode=append|keywords=아두이노, 정보과학, 메이커학습, 수행평가, 1채널 릴레이 모듈, 아두이노 작품, 캡스톤작품, 아두이노 예제코드|description=아두이노로 1채널 릴레이 모듈을 제어하는 방법(기본정보, 회로, 예제 코드)을 소개합니다. 정보과학과 메이커수업에 활용가능합니다.}} File:1채널릴레이c069...&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 1채널 릴레이 모듈 가이드|title_mode=append|keywords=아두이노, 정보과학, 메이커학습, 수행평가, 1채널 릴레이 모듈, 아두이노 작품, 캡스톤작품, 아두이노 예제코드|description=아두이노로 1채널 릴레이 모듈을 제어하는 방법(기본정보, 회로, 예제 코드)을 소개합니다. 정보과학과 메이커수업에 활용가능합니다.}}&lt;br /&gt;
[[File:1채널릴레이c069대표이미지.jpg|center|class=coders100]]&lt;br /&gt;
It&amp;#039;s a 1-Channel Relay Module.&lt;br /&gt;
&lt;br /&gt;
The switch changes when at a LOW level. It comes equipped with holes for mounting and an LED for current status indication.&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: 5V&lt;br /&gt;
* Recommended for low-power use similar to Arduino level (Not recommended for connecting to household power (220V))&lt;br /&gt;
&lt;br /&gt;
== &amp;#039;&amp;#039;&amp;#039;Example Required Hardware&amp;#039;&amp;#039;&amp;#039; ==&lt;br /&gt;
&lt;br /&gt;
* Arduino board&lt;br /&gt;
* Relay&lt;br /&gt;
* Jumper cables&lt;br /&gt;
* Red and Green LEDs&lt;br /&gt;
&lt;br /&gt;
== &amp;#039;&amp;#039;&amp;#039;Connection&amp;#039;&amp;#039;&amp;#039; ==&lt;br /&gt;
[[File:1ch릴레이 핀맵.png|center|class=coders100]]&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&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |Relay&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |Red LED&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |Green LED&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; |VCC&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |&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; |3.3V&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |2&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |&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; |GND&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; | -&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; |D4&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |In1&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |&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; |&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |1&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; | +&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; |&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |3&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; |&lt;br /&gt;
| colspan=&amp;quot;1&amp;quot; rowspan=&amp;quot;1&amp;quot; | +&lt;br /&gt;
|}&lt;br /&gt;
[[File:1ch릴레이회로.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 illustrates how to verify relay control with LEDs connected.&amp;lt;syntaxhighlight lang=&amp;quot;c++&amp;quot;&amp;gt;&lt;br /&gt;
const int relay = 4;&lt;br /&gt;
&lt;br /&gt;
void setup() {&lt;br /&gt;
  pinMode(relay, OUTPUT);&lt;br /&gt;
  digitalWrite(relay, HIGH);&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void loop() {&lt;br /&gt;
  for (int i = 0; i &amp;lt; 3; i++) {&lt;br /&gt;
    digitalWrite(relay, LOW);&lt;br /&gt;
    delay(500);&lt;br /&gt;
    digitalWrite(relay, HIGH);&lt;br /&gt;
    delay(500);&lt;br /&gt;
  }&lt;br /&gt;
  delay(9999);&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 [https://blog.naver.com/gongzipsa/223164531711 link] for the operation video.&lt;/div&gt;</summary>
		<author><name>ArduWiki</name></author>
	</entry>
</feed>