Piezo Electric Sensor Buzzer 27mm Without Soldering

The Piezo Electric Sensor Buzzer 27mm generates an 85dB tone output at 10kHz when driven by an oscillating signal from a microcontroller. Apply a square wave from a GPIO pin and the piezo buzzer vibrates at resonant frequency to produce audible sound. No amplifier is needed for basic alarm and notification builds.

The piezoelectric sensor disc works in reverse too — it generates a small voltage when physically struck, allowing the same component to function as both a sound emitter and a piezo tap sensor. A limitation is that the 85dB output at 10kHz is a fixed resonant peak. Driving it at other frequencies drops sound pressure significantly. StemVolt provides this sensor with trusted quality, ensuring reliable performance and easy usability.

Related Product:

• Checkout SW-18015P Vibration Sensor

Features:

• Frequency of 10 plus or minus 0.5kHz gives a clear audible tone output
• Without soldering mount allows fast connection to terminals or breadboard clips
• Tone output type produces a single frequency note suitable for buzzer alert builds

Technical specifications:

Applications:

• Arduino alarm project uses Piezo Electric Sensor Buzzer 27mm to sound a 10kHz alert on sensor trigger
• Tap detection build uses piezoelectric sensor disc to generate a voltage signal
• School electronics kit uses this buzzer disc to teach resonance and sound concepts

Package includes:

• 1 x Piezo Electric Sensor Buzzer 27mm