Gravity: Digital Piezo Disk Vibration Sensor

INTRODUCTION

The DFRobot Vibration Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is proportional with the strength of vibration. So you can know the extent of vibration. Different from digital vibration sensor that only accounts times, this analog one can tell extent of vibration.

SPECIFICATION

• Supply Voltage: 3.3V to 5V
• Interface: Analog
• Size:22x30mm

SHIPPING LIST

• Piezo Disk Vibration Sensor    x1
• Analog cable x1

IMPROVEMENT LIST

• Wide voltage range from 3.3V to 5V
• Standard assembling structure (Times-of-5mm Center distance between two 3mm mounting holes)
• Easily precognitive interfaces of sensors ("A" for analog and "D" for digital)
• Icons to simply illustrate sensor function 
• High quality connector
• Immersion gold surface

Arduino can sense the pressure on piezoelectric unit.