[과제설명] https://youtu.be/jejODdFqYLI
[동작보기 1명] https://youtu.be/nB9K5ECxQAw
[동작보기2] https://youtu.be/pJAKYQxTFcI
[부품설명 리밋스위치] https://youtu.be/h_OcIfz286s
[합선의 개념설명] https://youtu.be/7TPVKUuJnpE
[학생사진]
다음검색
[과제설명] https://youtu.be/jejODdFqYLI
[동작보기 1명] https://youtu.be/nB9K5ECxQAw
[동작보기2] https://youtu.be/pJAKYQxTFcI
[부품설명 리밋스위치] https://youtu.be/h_OcIfz286s
[합선의 개념설명] https://youtu.be/7TPVKUuJnpE
[학생사진]