This project demonstrates how to control the frequency of a buzzer using push buttons with an Arduino. The buzzer frequency can be increased or decreased by pressing the respective buttons. The code ...

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Buzz Wire Game In this project, we are going to make the hardware of this game and use an Arduino microcontroller. When the hook of the handle will touch the loop, a signal will be sent to the ...

With that we will have a PWM signal whose duty ratio changes with each button. This being given to buzzer, we have tone generator. Working of this Arduino based tone generator is explained step by ...

And, the buzzer is directly connected to the PIN 3 of the Arduino UNO. The complete Arduino code for Interfacing Tilt Sensor with Arduino is given at the end. In the below code, we are defining the ...

Circuit diagram of the Arduino based visitor alarm is shown below. It is built around an Arduino Uno board (Board1), a reed switch (S1) and a piezo buzzer (PZ1 ... an ICSP header and reset button. It ...