Two-dimensional code based electric control door lock
A two-dimensional code, electronic control technology, applied in the direction of instruments, time registers, single input port/output port register, etc., can solve the problem of fingerprint locks prone to failure, etc. Effect
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[0012] The present invention will be further described below in conjunction with specific accompanying drawings.
[0013] Such as figure 1 Shown, a kind of electric control door lock based on two-dimensional code, comprises main board 1, is characterized in that;
[0014] A mainboard 1 includes a display 2, a scanner 3, a two-dimensional code generator 4, and a GSM transmitter; 5
[0015] Described two-dimensional code generator 4 has the effect of dynamically generating two-dimensional code;
[0016] Described GSM transmitter 5 develops resident mobile phone with dynamic two-dimension code.
[0017] The main board 1 includes a power supply 6 .
[0018] The working principle of the present invention is:
[0019] The QR code is generated every day by the QR code generator, which is sent to the residents by GSM, and the scanner scans the QR code given by the residents to unlock the door.
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