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Motion sensor alarm
Chu Doan, Le Anh, Nguyen, Vu Minh & Bui Thi
Finalist of the Global Children's Design-a-thon 2018, Vietnam
A wireless motion sensor alarm using acoustic sensor technology. It can distinguish between the noise of an animal and the noise from a chainsaw by analysing the sound’s intensity and duration. When a suspicious activity is detected, the alarm at the guard station will go off, prompting the guards to take action.
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