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1 Results for "《 예약문의 OIO≡⑧④89≡83O⑥》강남레깅스⒴선릉레깅스룸allowed⑧레깅스룸선릉레깅스룸선릉레깅스badly 레깅스룸견적㎸레깅스룸견적♤ⓩ강남레깅스provisions"
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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