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

  • Oximeter do it yourself

  • 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.
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