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Easy identify USB plug / USB

Easy identify USB plug
Easy identify USB plug

In the past , the USB plug had the same side , when insert it always Failed ,the reason is it didn’ have obvious discriminate .
NOW: this desire put the red colour on the top side that the side can insert and only saw the red colour we can easily distinguish which side is the correct.


Chengdu University of Technology

Chengdu University of Technology
Chengdu, China

Zhigang Guo,
Chengdu University of Technology