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Safe Light / Lighting equipment

Safe Light
Safe Light

It is an improved design which adds a circle LED under manhole cover. It is used to remind passers-by that it is dangerous when the cover is lost. The pressure sensor under LED can detect pressure. When pressure decrease, the LED is activated.

University

Zhejiang University

Zhejiang University
Hangzhou, China

Design

Zhejiang University

Zhejiang University
Hangzhou, China

Zihao Gong; Xingsuo Liu; Yuan Tian; Shaodong Zhang

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