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愿묒쟾�옄 �냼�옄
愿묒쟾�옄 �냼�옄
1. �떎�뿕 紐⑹쟻
- �쟻�깋怨� �끃�깋 LED�쓽 �듅�꽦�쓣 痢≪젙�븳�떎.
- 7�꽭洹몃㉫�듃濡� �닽�옄瑜� �굹����궦�떎.
- 愿묒빱�뵆�윭(optocoupler)瑜� �넻�빐 �떊�샇瑜� �쟾�떖�븳�떎.
2. 愿��젴�씠濡�
諛쒓킅 �떎�씠�삤�뱶
(a) �닚諛⑺뼢 諛붿씠�뼱�뒪�맂 LED (b) �뿭諛⑺뼢 諛붿씠�뼱�뒪濡쒕���꽣 LED瑜� 蹂댄샇�븯湲� �쐞�븳 �쉶濡쒌뀒
- 諛쒓킅 �떎�씠�삤�뱶(LED)�뒗 怨좎껜 愿묒썝�씠�떎 �궙��� �쟾�븬怨� 湲� �닔紐�, 鍮좊Ⅸ on?off �뒪�쐞移��쓽 �옣�젏�쓣 媛뽮린 �븣臾몄뿉 諛깆뿴愿� ����떊 留롮씠 �궗�슜�릺怨� �엳�떎. �닚諛⑺뼢 諛붿씠�뼱�뒪�맂 �젙瑜섍린 �떎�씠�삤�뱶�뿉�꽌 �옄�쑀�쟾�옄��� �젙怨듬뱾��� �옱寃고빀�븯怨� �씠�븣 �옄�쑀 �쟾�옄�뒗 �넂��� �뿉�꼫吏� 以��쐞濡� 泥쒖씠�븯怨�, �뿴怨� 鍮쏆씠 諛⑹텧�븳�떎. 理쒕�� �뿭諛⑺뼢 �쟾�븬 �젙寃⑹씠 3V�씤 LED �뿉 遺�二쇱쓽濡� 3V �씠�긽�쓽 �뿭諛⑺뼢 �쟾�븬�씠 �씤媛��릺硫�, LED �뒗 �뙆愿대릺嫄곕굹 �듅�꽦�씠 ����븯�맂�떎. LED 瑜� 蹂댄샇�븯湲� �쐞�빐 �젙瑜섍린 �떎�씠�삤�뱶瑜� LED ��� 蹂묐젹濡� �뿰寃고븯硫�, �젙瑜섍린 �떎�씠�삤�뱶�쓽 �옣踰� �쟾�쐞媛� 0.7V �씠誘�濡� LED �쓽 �뿭�쟾�븬�씠 0.7V �씠�긽�쑝濡� �릺�뒗 寃껋쓣 諛⑹���븷 �닔 �엳�떎.
LED �뼱�젅�씠
- LED �뼱�젅�씠�뒗 �닽�옄, 臾몄옄, 湲고�� 湲고샇瑜� �굹����궡湲� �쐞�븳 LED 洹몃９�씠�떎. �븘�옒洹몃┝��� 7�꽭洹몃㉫�듃 �뼱�젅 �씠瑜� �굹����궦�떎. 7媛쒖쓽 吏곸궗媛곹삎 LED濡� 援ъ꽦�릺�뼱 �엳�쑝硫� 媛곴컖�쓽 LED�뒗 �굹����궡怨좎옄 �븯�뒗 臾몄옄�쓽 �씪 遺�瑜� �삎�꽦�븯湲� �븣臾몄뿉 �꽭洹몃㉫�듃�씪怨� �븳�떎. �븘�옒 洹몃┝怨� 媛숈씠 �뼇洹밴났�넻諛⑹떇怨� �쓬洹밴났�넻諛⑹떇�씠 �엳�떎.
(a) 7 �꽭洹몃㉫�듃 �몴�떆 �냼�옄 (b) 媛쒕왂�룄
愿묐떎�씠�삤�뱶
- 愿묐떎�씠�삤�뱶�뒗 鍮쏆뿉 誘쇨컧�븯�룄濡� 理쒖쟻 �꽕怨꾨맂�떎. �씠 �떎�씠�삤�뱶�뿉�꽌 鍮쏆�� �뙣�궎吏��쓽 �쑀由ъ갹�쓣 �넻�빐 ���(�깮�왂)
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