Qr code technique was used to implement a new access control power entrance guard
2022-10-21 00:00:00
the traditional access control access control is based on the password and card identification, it is widely used in most of the buildings and the community.Said the password techniques by entering the correct password commands to control the door open.Main drawback is: password easy to leak, digital keyboard easy fuzzy, the door can only be opened in one direction;Card identification means through the entrance card to enter.Market the main use of IC card and id card to identify which has been widely applied, the main disadvantage is often lost, if return, service is 20-30 yuan, even.As is known to all, the traditional access control access control for visitors can’t make an appointment, and impossible to calculate personnel entry and exit record.Where the traffic is bigger, if there is no statistical data, it is difficult to find out the problem.
how to realize the visitors to make an appointment has been a problem in management
smart school entrance guard.From a different perspective, will have different understanding.For school administrators, and otherThe campus is a place for students at ease study.It is not accessible to the public place.Access control was achieved by entrance guard not to let the public, but choose to enter, on the one hand, students’ safety.On the other hand, the campus environment will also have a certain degree of improvement.Campus not only, still have some companies, the community also has the problem of visitors to make an appointment, such as with the wider use of qr code, realize the entrance guard access control through the qr code is gradually accepted by people, and has been widely used.Qr code convenience, when visitors access, early in the software application, fill in the visitor information and access to, if they confirm to open the door, the program will push shall have the right to open the door to the time limit of qr code, visitors can use the qr code enter.