| 인천전자마이스터고등학교 ············································································································· 32 7. 회로 설계하기 가. 전체 회로도 MOSFET과 열선패드 LCD 스텝모터 모듈 DS18B20 HC-06 스텝모터와 열선패드는 각각 두 개씩 사용했다.