This project implements a password-protected electronic door lock system using an Arduino microcontroller. A 4×4 matrix keypad is used to enter the password, while a 16×2 I2C LCD provides system ...
This project implements a secure password-based door locking system using Arduino. The system allows users to enter a 4-digit password using a 4x4 keypad. If the password is correct, the door unlocks ...
This project presents a secure, low-cost electronic voting system using Arduino Uno, an R305 fingerprint sensor, a keypad-based button interface, and an LCD display. Voters authenticate via ...
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