<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; padding-top: 0px !important; padding-bottom: 0px !important;"><strong><span style="box-sizing: border-box; font-size: 14pt;">방향만 전환하기&nbsp;</span></strong></p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; padding-top: 0px !important; padding-bottom: 0px !important;">&nbsp;</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; padding-top: 0px !important; padding-bottom: 0px !important;">모터의 속도는 그대로 두고 작동 방향만&nbsp;반대로 바꾸는 제어만을 원한다면&nbsp;다음과 같이 릴레이 두개로 모터에 공급되는 전원의 +/-극성을 바꿔주는 방법이 있다.</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; padding-top: 0px !important; padding-bottom: 0px !important;">&nbsp;</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; float: none; text-align: center; clear: none; padding-top: 0px !important; padding-bottom: 0px !important;"><span class="imageblock" style="box-sizing: border-box; height: auto; max-width: 100%; display: inline-block; width: 448px;"><img src="https://t1.daumcdn.net/cfile/tistory/9923E0495C5838A41D" width="448" filename="relay_motor1.png" filemime="image/jpeg" style="border: 0px; max-width: 100%; height: auto; vertical-align: middle;" /></span></p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; float: none; text-align: center; clear: none; padding-top: 0px !important; padding-bottom: 0px !important;">위와 같이 릴레이 두개를 병렬로 연결하고&nbsp;아두이노에서 둘 다 NC로&nbsp;SET하면 모터에 전류는 흐르지 않는다.</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; float: none; text-align: center; clear: none; padding-top: 0px !important; padding-bottom: 0px !important;">마찬가지로&nbsp;둘 다 NO일 경우에도 모터에는 전류가 흐르지 않아 모터는 정지 상태이다.&nbsp;&nbsp;&nbsp;</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; float: none; text-align: center; clear: none; padding-top: 0px !important; padding-bottom: 0px !important;">&nbsp;</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; float: none; text-align: center; clear: none; padding-top: 0px !important; padding-bottom: 0px !important;"><span class="imageblock" style="box-sizing: border-box; height: auto; max-width: 100%; display: inline-block; width: 448px;"><img src="https://t1.daumcdn.net/cfile/tistory/99ECAC495C5838A516" width="448" filename="relay_motor2.png" filemime="image/jpeg" style="border: 0px; max-width: 100%; height: auto; vertical-align: middle;" /></span></p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; float: none; text-align: center; clear: none; padding-top: 0px !important; padding-bottom: 0px !important;">&nbsp;</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; float: none; text-align: center; clear: none; padding-top: 0px !important; padding-bottom: 0px !important;"><span class="imageblock" style="box-sizing: border-box; height: auto; max-width: 100%; display: inline-block; width: 448px;"><img src="https://t1.daumcdn.net/cfile/tistory/9931B5495C5838A522" width="448" filename="relay_motor3.png" filemime="image/jpeg" style="border: 0px; max-width: 100%; height: auto; vertical-align: middle;" /></span></p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; padding-top: 0px !important; padding-bottom: 0px !important;">&nbsp;</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; text-align: center; padding-top: 0px !important; padding-bottom: 0px !important;">위와 같이&nbsp;릴레이 상태를 둘 중 하나만 NO으로 하게 되면&nbsp;모터에 전류가 흐르게 되는데,</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; text-align: center; padding-top: 0px !important; padding-bottom: 0px !important;">극성 방향은&nbsp;각각 반대가 되어 모터의 작동방향이 반대가 되게 된다.&nbsp;&nbsp;&nbsp;</p>
<p style="font-family: &quot;Ubuntu Condensed&quot;, &quot;Noto Sans Korean&quot;; font-size: 15px; background-color: #ffffff; padding-top: 0px !important; padding-bottom: 0px !important;">&nbsp;</p>