1 Results for "《〈 문의 OIO↗5793↗7458 》〉 셔츠룸후기た 《〈 문의 OIO↗5793↗7458 》〉 ⑷plenty㎋셔츠룸후기셔츠룸후기んteeth 셔츠룸후기선릉셔츠룸 강남셔츠룸￦셔츠룸ⓤsilverⓞ"

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