1 Results for "『 모든문의 OIO=5793=7458 』 선릉셔츠룸㈄ 『 모든문의 OIO=5793=7458 』 Ηcake²셔츠룸테란강남셔츠룸デwriter 셔츠룸테란강남셔츠룸 선릉셔츠룸⒁셔츠룸사이즈┲exhausted⅔"

An educational project for my mechatronics students, a tube equipped with two LDR sensors to measure the speed of a ball inside the tube.