The Password-Based Door Lock System is a security-focused project that uses an Arduino microcontroller, a keypad, an LCD, and a servo motor to create a cost-effective and efficient door lock mechanism ...
Conventional mechanical locks are no longer sufficient for modern security needs. They are prone to tampering and key duplication, making them less reliable for safeguarding homes and offices. The ...
A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...
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