User enters the password using the keypad. LCD displays whether access is granted or denied. You can modify the code to control a door motor/lock mechanism.

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Calls, such as emergency or other specially-programmed numbers, may be placed without entering a lock code. Typical default codes include the last four digits of your phone number, the last four ...

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Here’s how to instantly block your bank account with USSD codes for all Nigerian banks to protect your money. How to Block Your Bank Account Using USSD Code (All Banks) You lose your phone or ...