This project implements a password system using an Arduino Uno board, a keypad, and an LCD display. The system prompts the user to enter a six-digit password and provides an optional password reset ...
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 ...
The RFID reader communicates with the Arduino through the SPI protocol and different Arduino boards have different SPI pins. To test if the RFID reader is working properly or not, upload the “dumpinfo ...
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