Buzzer-Knowledge Encyclopedia
Time:
2024-04-01 00:03
Source:
Buzzer is a common electronic component, mainly composed of oscillator and electromagnetic device. When current passes through the buzzer, the oscillator vibrates, causing the electromagnetic device to vibrate and emit sound. The sound of the buzzer is usually a sharp and crisp buzzer, and its frequency and tone can be adjusted by controlling the current.
Buzzers are widely used in various electronic devices, the most common use is as an alarm or reminder. For example, in household appliances, buzzers are often used in washing machines, microwave ovens, refrigerators, etc., to sound a loud alarm when the equipment completes work or fails. In cars, buzzers are also used to alert the driver to safety or vehicle breakdowns.
In addition, the buzzer is also widely used in industry and fire protection. In industrial automation equipment, the buzzer is often used to indicate the working status of the equipment or alarm; in the fire alarm system, the buzzer can emit a loud alarm to remind people to escape in time.
In general, as a simple and practical electronic device, the buzzer plays an important role in our daily life and work. By issuing clear sound prompts, the buzzer helps us deal with various situations in time and improve life and work efficiency.
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