Password: 135790K1: Function key, displays the password to be entered (from 1 to 6)K2: Password input key, displays the entered password. The working process of this single-chip password lock: After starting, the red light is on. When the password is entered correctly, the red light goes out and the green light comes on. If the password is entered correctly, a sound prompt will be given. If the password is entered incorrectly, a warning prompt will be given. When the key is pressed, a beeping sound will be given to give a prompt. If the password is entered correctly again, the red light will be on and the green light will be off. If the password is entered incorrectly for three consecutive times, a warning prompt will be given and the keyboard will be locked for about 3 seconds. During this period, if a key is pressed, a sound prompt will be given and the key will be locked again for 3 seconds. Function: It can be used to control the opening and closing of the device.
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