Piezo Element, Vibration Sensor (7BB-20-6L0)

£1.28 inc VAT

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SKU: PPSEN-10293 Categories: , Tags: ,
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Piezo Element, Vibration Sensor (7BB-20-6L0)

Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer.

piezo is an electronic device that generates a voltage when it’s physically deformed by vibration, a sound wave, or mechanical strain. Similarly, when you put a voltage across a piezo, it vibrates and creates a tone. Piezos can be used both to play tones and to detect tones.


  • Resonant Frequency: 6.3 ±0.6kHz
  • Resonant Impedance: 1K Ohm Max.
  • Capacitance (nF): 10.0 ±30% [1kHz]
  • Plate Material: Brass
  • Wire gauge: 32 AWG


  • Plate Size dia.: 20mm
  • Element Size dia.: 14mm
  • Electrode Size dia.: 12.8mm
  • Thickness: 0.42mm
  • Plate Thickness: 0.2mm
  • Wire Length: 50mm

Piezo Element, Vibration Sensor (7BB-20-6L0) Dimensions

Connecting to Arduino:

Connecting Piezo to Arduino


  • Knock (Example Arduino Sketch)


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