Human beings can hear sound because of the vibration of objects. Its frequency is in the range of 20Hz-20KHz. If it exceeds 20kHz, it is called ultrasonic wave,...
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Piezoelectric buzzer is a kind of sound generator that uses piezoelectric ceramics as electroacoustic transducer. The core of this device is the energy exchang...
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There are many kinds and specifications of buzzers. You need to know several parameters (voltage, current, driving mode, size, connection / fixing mode) first. ...
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Piezoelectric buzzer uses piezoelectric material, that is, when the piezoelectric material deforms due to external force, the piezoelectric material will genera...
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Buzzer is mainly used for prompt sound and alarm soundAs an electronic buzzer with integrated structure, the buzzer is powered by DC voltage. It is widely used ...
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We have excellent engineer (including Korea engineer)and we are focus on product innovation , Management innovation.The quality of product was recognized by cus...
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