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52 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗ 쓰리아워가격К 쓰리아워레깅스룸realmが쓰리아워쓰리아워레깅스룸강남술집정보better 쓰리아워㎶강남쓰리아워ゲⓝ강남쓰리아워recognition"

  • 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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