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1 Results for "≡ 예약문의 OIO《⑧④89》83ⓞ⑥ ≡선릉하이킥레깅스룸ワ선릉하이킥레깅스룸located강남하이킥레깅스룸선릉하이킥레깅스룸강남하이킥wood 강남하이킥레깅스룸ㆁ☜선릉하이킥elegant"
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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