Arduino Buzzer Frequency Controller with Push Buttons This project demonstrates how to control the frequency of a buzzer using push buttons with an Arduino. The buzzer frequency can be increased or ...

Arduino Button-Controlled Buzzer This project demonstrates how to control a buzzer with a push button using an Arduino. The buzzer will turn on when the button is pressed and turn off when the button ...

An MQ-3 sensor is connected to an Arduino Uno board which processes the data from the sensor and triggers appropriate responses depending on the alcohol concentration level. The integration of a ...