BUZZER

BUZZER

I know some of you might be heard or known about Buzzer, but here I'm going to write a short article about what is Buzzer and how this work and what are the types of buzzer that is available out there.

Buzzer is electronic components that come with sound features on them. This component is specifically designed to produce a buzzing or beeping noise. This Buzzer is designed as a small and compact 2-pin structure. In other words, we can say that it is an audio signaling device with an integrated structure of Electronics Transducers.

What are types of Buzzer?

There are two types of Buzzer, the first Active Buzzer, and the other call Passive Buzzer. Active Buzzer consists of Internal Oscillator that helps the Buzzer to make Beep Sound, and it only requires DC Voltage as the input. While the Passive Buzzer acts as Electromagnetic Speaker which required Ac Voltage as this Speaker will change from time to time.

What's inside Buzzer and How it Works?

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Inside the Buzzer, there is a Piezo Ceramic Element which consists of a Central Ceramic Disc surrounded by metal. So when a current is applied to the Buzzer it causes the Ceramic Disc to contract or expand, thus it will vibrate the plate and it will produce the sound. In addition, you can change the frequency of the speed thus the vibration changes, which then change it pitch of the sound.

Where can we find this Buzzer?

As u know that we are using Buzzer in our daily life such as Alarm Clock, Washing Machine whereby when the machine completes its work we will be notified by producing a beep sound. I know some washing machines will produce gentle music if the process is the same just that tone or music has been programmed as such. Besides that, we can find this Buzzer in Fire Alarm and also other Household Appliances.

Assigned by : Muhammad Firdaus Badauraudine

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