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  • RePliCanT4AlexVIP3
    RU
    16/06/2017

    ok

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  • MichelyVIP2
    DE
    07/08/2016

    I have first bought "3.5-5.5V Active Standard Passive Buzzer Module For Arduino". For these buzzers to sound you have to generate a PWM Signal. This KY-012 buzzers does not need a PWM signal, just apply 5 Volt to get the sound.

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