목표 = 열차에 짐을 채우는데 할당된 개수를 채우면 투입기가 정지함


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대충 이런 식으로 하면 스위치 On/Off는 되는거 같은데...


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저 전원 연결이 안됨


스위치 전-후단에 전원 연결하고 신호로 On/Off하는거 아니었음?