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Apply 3V to 4V to this larger sized piezo buzzer module and you'll be rewarded with a loud 3.3KHz BEEEEEEEEEEEEEEEEEP. Unlike a plain piezo, this buzzer does not need an AC signal. Inside is a piezo element plus the driver circuitry that causes it oscillate. The piezo buzzer is 5V TTL logic compatible and Breadboard friendly long 10cm (4”) connection leads.
This buzzer is ideal when you need to fit a buzzer in a small place. It has its own built-in drive circuit. It offers low current consumption. Used in manufacturing applications such as laptops, alarms, pagers, etc.
Great for use as part of a Code Practice Oscillator or personal alarm notification system.
Note: The piezo buzzer is polarized, meaning that power must be applied to the correct pins. The Red lead is the anode (+) connection pin.
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