1 Results for "《 예약문의 OIO↗8489↗8306》청담가라오케П㈄delightfulセ가라오케가라오케νreflected 가라오케사이즈가라오케 가라오케추천㎙가라오케ｑbring㈀"

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