Abstract：The design of electronic password lock based on infrared remote control.It is a kind of design of combining technical application the micro-control unit with infrared remote control technology to the electronic password lock based on infrared remote control. According to the design of the tradional mechanical locks, this method of design to the electronic password lock can not only meet safety requirements, but also be able to adapt to the specialneeds of the use of enviornment. Circuit design by infra-red coding circuit, infrared decoder circuit, drop the electricity protection circuit, sound and light hint alarming circuit,the keyboard and display circuit. This system has the basic function of opening the lock, alarming the error prompt and modifying the password of the users as well as the function of remote control, dropping the electricity and saving, sound and light hinting, etc.
Key words: Electronic password lock; Infraed remote control; Micro-control unit;
Dropping the electricity and saving
