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Driving mode of buzzer

Views:37     Author:Sally     Publish Time: 2016-04-28      Origin:Site

Drive mode of buzzer can be divided into External drive and self dirve
Self-excited buzzer is driven by dc voltage,Don't need to input signal,As long as the input current will be able to make the buzzer sound.But the External drive buzzer must be input the 1/2duty signal to drive it.


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