1 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗ 쓰리아워㏃ ㏐addition쓰리아워Ⅶ강남술집정보강남술집정보Ｏ Ч강남술집정보exhibit 강남쓰리아워к강남술집정보㎼Ŋmethod"

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