How many ways to identify QR Code Card Reader?
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The times are advancing, and with the booming mobile Internet, mobile phones have become an indispensable tool in our lives. The QR Code Card Reader came into being. It is an innovative developer in the security market and an important device for the QR code access control system. So how many recognition methods does a QR Code Card Reader support? The following small series will tell you about its story! Looking back at the development of the access control system, intelligence is its development direction, making the security market more dynamic, from the traditional door lock to the community smart access control system, from the initial password and credit card to more secure biometric identification. This is not the result of innovation and development. Behind this development trend, we can easily find that the development of technology has made the user's painful needs constantly solved. Similarly, people have proposed more convenient equipment and become the basis for i