Active Buzzer Arduino module produces a single-tone sound when the signal is high. To produce different tones use the Passive Buzzer module. The Active Buzzer module consists of a piezoelectric buzzer with a built-in oscillator. It generates a sound of approximately 2.5 kHz when the signal is high.
The KY-012 Active Buzzer module consists of an active piezoelectric buzzer, it generates a sound of approximately 2.5kHz when the signal is high.
Operating Voltage 3.5V ~ 5.5V
Maximum Current 30mA / 5VDC
Resonance Frequency 2500Hz ± 300Hz
Minimum Sound Output 85Db @ 10cm
Working Temperature -20°C ~ 70°C [-4°F ~ 158°F]
Storage Temperature -30°C ~ 105°C [-22°F ~ 221°F]
Dimensions 18.5mm x 15mm [0.728in x 0.591in]
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