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1 Results for "《〈 문의 OIO↗5793↗7458 》〉 초콜릿셔츠룸С 초콜릿셔츠룸drink선릉초콜릿강남셔츠룸초콜릿선릉초콜릿temporary 초콜릿가라오케╉㎧강남초콜릿sport"
No Touch Hand Washing Countdown Timer
Project
by
Paul McCabe
A simple 20 second no touch countdown timer using and Arduino UNO, an HC-SR04 Ultrasonic sensor and a 7 segment display.
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