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1 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗퍼블릭룸Сゲnorman강남퍼블릭⅔퍼블릭사이즈퍼블릭술집ф ⑭강남퍼블릭wash 퍼블릭사이즈М강남퍼블릭ㄵ∫correspondence"
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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