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1 Results for "《 예약문의 OIO≡⑧④89≡83O⑥》선릉레깅스룸㉹ベgrace레깅스룸S선릉레깅스룸선릉레깅스е я레깅스룸비용superstition 강남레깅스룸′강남레깅스§8fetch"
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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