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The deaf doorbell remind / The deaf doorbell remind

The deaf doorbell remind

How do deaf people know what someone knocking at the door in life? If they in the other room,Reading,Cooking,or sleep.
This smart bracelet is transferring information to bracelet by means of sensors in the door,the bracelet reminds people have guests visit by vibration and light.

University

Jangxi University of Finance and Economics

Jangxi University of Finance and Economics
nanchang, China

zemei liu,
Jangxi University of Finance and Economics

tian wu,
Jangxi University of Finance and Economics

weiwen xiong,
Jangxi University of Finance and Economics

yiqi liu,
Jangxi University of Finance and Economics