What is the working principle of the QR code access control system?

Two-dimensional code access control system is widely covered, and nowadays popular and advanced technology, two-dimensional code technology is one of them. Compared with face technology and iris, palm print and other technologies, the two-dimensional code technology is more cost-effective, not only It is safe, easy to operate and easy to use.

How does the QR code access control system work and put into use? The complete set of two-dimensional code access control system includes software and hardware. The software of Seberus QR code access control system includes Weixin small program, computer background software, hardware including two-dimensional code read head and access control board. Anyone who has contacted the QR code knows that the QR code is generated by software. The specific technology is that the development technician writes the program instructions. The detailed description is not given here. The workflow is shown in the following figure:

First, you need to register on the Weixin small program. After the registration is completed, the QR code reader reads the QR code generated by the Weixin applet and sends the signal to the access control panel. The access control panel legalizes the signal. Illegal judgment, so as to achieve the door open or not, the background system automatically records this command and conducts real-time monitoring.

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