RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. This project is open-source and can be freely used for educational purposes. I demonstrate ...
A simple embedded systems project demonstrating how to generate sound using a buzzer connected to an Arduino board. This project is ideal for beginners learning digital output control and basic timing ...
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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