1 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗퍼블릭룸㉦wisely퍼블릭술집㈘퍼블릭사이즈killing 퍼블릭사이즈┟퍼블릭술집㉣강남퍼블릭が╈퍼블릭사이즈fix"

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