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 ...

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

In this article, we will differentiate between Active and Passive buzzers and also learn how to use active buzzers and passive buzzers with Arduino.

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.

After uploading the code the Piezo will start making short beeps. On bright light the Piezo will only beep and on dark light it will be short. Some ideas for this experiment: Alarm for Lights in the ...

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 ...

The paper aims to design and implement a low cost and reliable quiz buzzer system with the help of Arduino and seven segment display for easier detection of contestants or participants during a school ...

The RGB LED module lets you make all sorts of colors with just four pins from the Arduino. Learn how to do it here!