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

This is a special glass for blind people which detects the obstacle and give them a beep warning while they are on the way/anywhere.

In this project, we are going to measure the water level by using ultrasonic sensors.