I.e, Pin number, frequency of the signal you want to generate, and the time in milliseconds. When you call the tone() function, you have to pass this function with 3 arguments. So we are using pin number 9 of Arduino to perform such an operation here. The above-mentioned command is the function used to generate an electric signal of a particular frequency and for a particular period of time on a particular pin. So for doing this, we will use the Arduino buzzer tone generation command : You have to tell the Arduino on which pin the buzzer is connected, what should be the frequency (in Hertz, Hz) of the electric pulse has to be applied to the buzzer, and for how much time you want it to keep making the tone. Using the Arduino, you can make sounds with a buzzer by using different frequency electrical pulses.

Connect the short pin of the buzzer to the Arduino's ground pin (GND) and the other end to digital pin 9. If your buzzer has a sticker on top of it, pull the sticker off. By changing the frequency on the positive pins of the Arduino buzzer, we can create a melody of the song. The different frequencies generate different tones. When a square wave of a certain frequency (and 50% duty cycle) is applied on the Positive (+ve) pin of the Arduino buzzer generates tones. When the Positive pin is connected to the 5 Volts pin of the Arduino directly, the buzzer produces a sound of constant frequency. The Positive pin (+ve) of the Arduino buzzer has to be connected to the VCC of Arduino and the Negative pin (-ve) has to be connected to the GND pin of the Arduino. In this blog, we will produce different sound tones using a buzzer by applying different frequency electric pulses. As it is lightweight, simple in construction, typically a low-cost product that can generate different sound tones of different frequencies and does not require a separate oscillating circuit. The piezoelectric buzzer is most commonly used with the Arduino. The buzzers are of different types such as Mechanical buzzers, Electromechanical buzzers and Piezoelectric buzzers.

The Arduino buzzers are most commonly used as beepers in any system, Alarm devices, timers, security systems and to produce sound on confirmation of user input in many systems. The Arduino buzzer can be directly connected to the Arduino and produce different tones by giving different frequency electric pulses to the buzzer. The Arduino buzzer is a device that produces sound when an electric current is passed through it.

Safe current for arduino piezo