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1 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗강남퍼블릭ㅾ퍼블릭술집partner셔츠룸퍼블릭㎙퍼블릭사이즈furnished 퍼블릭룸⑴퍼블릭사이즈㏃퍼블릭룸ふ㏘셔츠룸퍼블릭hospital"
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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