Grove- Piezo Vibration Sensor is suitable for measurements of flexibility, vibration, impact and touch. The module is based on PZT film sensor LDT0-028. When the sensor moves back and forth, a certain voltage will be created by the voltage comparator inside of it. A wide dynamic range (0.001Hz~1000MHz) guarantees an excellent measuring performance. And, you can adjust its sensitivity by adjusting the on-board potentiometer with a screw. This type sensors can be used in applications that are automobile alarms, detection of body movement and low-cost detection of the vibration applications.

Features:

Standart Grove connector
A wide dynamic range between 0.1Hz~180Hz
Adjustable sensitivity
High receptivity for strong impact

You can visit a wiki page for the detailed information and example applications.

Grove - Piezo Vibration Sensor

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