Want to sound a buzzer every time someone walks in a room? Snap a power module to a motion trigger module, snap the motion trigger to the buzzer module, and you’re done. Want to light an LED ...

This project uses an RFID module (RC522) to create an access control system with Arduino. The system checks RFID tags against a stored authorized UID and provides visual and audio feedback based on ...

A morse code player, programmed using the Arduino IDE, an ESP32 board, a Piezo buzzer and a LCD with a I2C module. - boriabyte/morse-code-player ...

In this tutorial we will learn how simple and easy it is to Play Melody on Piezo Buzzer or Speaker using the Arduino tone () function.

Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got ...