Face-recognition electronic lock circuit

The utility model discloses a face-recognition electronic lock circuit, which comprises a micro-control unit, a camera module, a face recognition module, a display device, a voice device, an external extended memory and a driving motor chip, wherein a single chip microcomputer is taken as a control core of the micro-control unit; the camera module is used for collecting a face image and sending the face image to the face recognition module; the face recognition module is used for performing face recognition on the collected face image; the display device is used for providing a visual operation interface; the voice device is used for realizing a voice broadcasting function; the external extended memory is used for memorizing user information and opening records; and the driving motor chip is used for driving a direct-current motor/electromagnet to open/close a door. The face-recognition electronic door lock circuit disclosed by the utility model has the beneficial effects of being simple in structure and smart in design and is capable of controlling a common locking mechanism with a single electromagnet, double electromagnets or the like in a face recognition manner.