Chapter 1 overview of the management system of the access control channel of two-dimensional code, design principles and specifications 3 1.1 system overview 3 1.2 design principle 3 1.3 main design basis 1.4 the name of the place where the qr code access control channel management system is recommended 4 The second chapter is about the advantages and characteristics of the system structure of the management system of two-dimensional code access control channel 2.1 the structure of the management system of the access control channel of two-dimensional code 4 2.2 advantages and features of the management system of access control channel of two-dimensional code 5 The third chapter is about the components and parts of the management system of the access control channel of the qr code. 6 3.1 intelligent controller (CD4001T) 6 3.2 qr code scanner 7 3.3 intelligent brake machine - speed gate 7 3.4 intelligent brake machine - wing brake 8 3.5 intelligent brake machine - swing 9 3.6 intelligent brake machine - three-roll brake 10 3.6 video snapshot function (selected) 11 3.6.1 camera 11 3.7 other parts of the qr code access control channel system 12 3.7.1 intelligent controller and card reader power supply 12 Chapter four introduces the software and function of two-dimensional code access control channel system 13 4.1 two-dimensional code access control channel management software introduction 13 4.2 basic functions of qr code access control channel management system 14 4.3 statistical function of the access control channel management system of two-dimensional code 15 4.4 attendance function of qr code access control channel management system 15 Chapter v company profile and qualification certificate 19 5.1 company profile 19 5.2 company qualification certificate 19 Chapter 6: typical customers and model projects 19 Chapter 7 equipment list and price 19 Chapter viii construction progress and plan 19