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3.3V/5V Piezo Elements Sounder Sensor Trigger Drum Disc+wire copper
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.
- Speech and music applications
- 12mm, 27mm with flying leads
- Resonant frequency 4.6 +/- 0.5 KHz, 300 ohms max (27mm),
- Material: Copper, PVC
- Size: Metal Plate Diameter(mm) : 12 Cable Length: 7cm