Description
The piezo buzzer works on the principle of piezoelectric effect and produces sound based on reverse of the piezoelectric effect. the electric potential difference across piezo material is a reason to generate pressure variations. Piezo buzzer is most famous among another type of buzzers because of higher sound generation using less current. Other names of buzzer are an audio alarm, beepers, audio indicator, audio transducer, audible alarm.
Specification
- Operating voltage: 4v to 8v
- Rated voltage: 6v
- Rated current: 25mA
- Operating current: ≤30mA
- Oscillator frequency: 3.2kHz
- Sound level: ≥85dB
- Sound tone: continuous
Applications
- Computer and peripherals
- Home security alarm
- Communication projects, where sound is needed
- POS system
- Portable devices
- Alarm clock project
- Home automation system
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