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Smart Door Lock

Smart Door Lock

Smart door lock consists of intelligent monitor and electronic lock. The two places are placed in different places. The intelligent monitor supplies the power supply required by the electronic lock and receives the alarm information and status information sent by it. The circuit multiplexing technology is adopted to share a two-core cable for power supply and information transmission, which improves the reliability and security of the system.

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Smart door locks the composition block diagram, it is also the 51 series microcontroller (AT89051) as the core, with the corresponding hardware circuit, to complete the password Settings, storage, identification and display, drive the electromagnetic actuator and detect the drive current value, receive the alarming signal from the sensor to send, send data, etc.


MCU receives the type in the code, and comparing with the password storage block in EEPROM, if the password is correct, the electromagnetic actuator driven lock;If the password is not correct, allows operators to enter the password, can enter up to three times.If the three are not correct, the single chip microcomputer through telecommunication lines road intelligent monitor alarm.Single-chip microcomputer will unlock operation and each time the electromagnetic actuator drive current value as a status information sent to the intelligent monitor, at the same time will receive from sensor alarm information is sent to the intelligent monitor interface, as the basis of intelligent analysis.

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