This project offers a straightforward but efficient way to stop unwanted access to a vehicle by notifying the owner promptly as the attempt is detected. An Arduino UNO board, a buzzer, an A7670C LTE ...
Overview: This project demonstrates a comprehensive Arduino-based RFID door lock system designed for secure access control. Utilizing the MFRC522 RFID reader module, a servo motor for door mechanism ...
A buzzer has two pins, namely positive and negative. The positive terminal is represented by the ‘+’ symbol and negative terminal is represented by the ‘-’ symbol just like an led and a capacitor.
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