A buzzer is used in the domestic, official and industrial fields and it has almost entirely replaced the electro-mechanical bell. In houses and offices, the buzzer is used to catch the attention of people. In the industrial arena, it is mostly used as an alarm device.
A buzzer can be either AC or DC operated and can be mounted anywhere according to the need and purpose. When used as an alarm device, the buzzer is usually mounted on a control panel. The latest technological developments have led to using buzzers in sirens and signals for a wide range of applications.
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