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1 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗ 쓰리아워가격К 쓰리아워레깅스룸realmが쓰리아워쓰리아워레깅스룸강남술집정보better 쓰리아워㎶강남쓰리아워ゲⓝ강남쓰리아워recognition"
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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