1 Results for "《〈 문의 OIO↗5793↗7458 》〉 셔츠룸가격㉻ 《〈 문의 OIO↗5793↗7458 》〉 ㉺stealㅯ강남셔츠룸셔츠룸가격фtemperature 셔츠룸후기셔츠룸가격 강남셔츠룸ㅣ셔츠룸추천ψencouragementㅔ"

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