1 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗강남퍼블릭┟┥robert강남퍼블릭ⓐ퍼블릭룸강남퍼블릭┖ぢ퍼블릭술집marquis 강남퍼블릭ぷ셔츠룸퍼블릭Ｆⓤstrict"

In this period of isolation, I'm trying to build an oximeter with parts already in house. An oximeter is made by two leds and a photodiode.