With the development of bar code, it is used widely in the world.
It is not only used in commercial, for example, the bar code in products on supermarket, but also used widely in life, for example, the qr code payment in metro, phone bus payment; At same time, bar code comes into the university, for example qr code school-card, and smart qr code for turnstile in library.
In order to build smart schools and the Internet+ Smart library, the smart 2D code school-card say hi to the shool on June 20, 2017 in Huannan Science and Engineering University; the students and the teachers are able to go to the library through reading 2D code before the intelligent turnstile.
It was said, there are embedded 2D barcode reader in the turnstile, combining with the management system of 2D school-card; it offer multi-choices for them, and it also reduce the trouble of forgetting and losing the real shool-card; it makes them feel very happy.
The students and the teachers finished the authentication through the phone-service place specified by the library, and they will have the 2D bar code only owned by themselves, and then make the scanner embedded in the turnstile to read the bar code, everything will be ok.