DFRobot Gravity Digital Piezo Vibration Sensor - Analog Output
DFRobot Gravity Digital Piezo Vibration Sensor - Analog Output - Image 2
DFRobot Gravity Digital Piezo Vibration Sensor - Analog Output - Image 3
DFRobot Gravity Digital Piezo Vibration Sensor - Analog Output - Image 4
SKU: SENS-2966
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DFRobot Gravity Digital Piezo Vibration Sensor - Analog Output

₹489.00 (Inclusive of all taxes)
Out of Stock

The DFRobot Gravity Piezo Vibration Sensor is an analog module that converts mechanical vibration into a proportional voltage signal, compatible with 3.3V/5V microcontrollers like Arduino and Raspberry Pi for precise vibration intensity measurement.

Features

  • Analog output voltage proportional to vibration strength for detailed analysis.
  • Wide operating voltage range of 3.3V to 5V DC for flexible system integration.
  • Standard Gravity 3-pin interface (Analog) for plug-and-play compatibility with DFRobot shields.
  • Compact PCB design (30mm x 22mm) with standard 3mm mounting holes for easy installation.
  • High-quality piezoelectric transducer for responsive and reliable vibration detection.

Out of stock

Description

This sensor utilizes a piezoelectric transducer element that generates a measurable analog voltage change in response to applied strain from vibrations or impacts. The output signal amplitude is directly proportional to the vibration intensity, allowing for granular analysis beyond simple threshold detection.

Designed for seamless integration into prototyping and educational environments, it features the DFRobot Gravity interface standard. The module includes a buffered output stage for stable signal conditioning, making it suitable for vibration monitoring in structural health, industrial equipment, and interactive projects.

Key Features

  • Analog Vibration Sensing: Provides a continuous voltage output proportional to vibration force, enabling detailed waveform analysis.
  • Wide Voltage Compatibility: Operates from 3.3V to 5V DC, ensuring compatibility with most microcontroller development platforms.
  • Gravity Interface Standard: Uses the 3-pin (GND, VCC, SIG) connector for foolproof wiring with DFRobot expansion boards.
  • Durable Construction: Features an immersion gold PCB finish and a robust piezoelectric disk mounted on a standard FR4 board.
  • Standard Mounting Holes: Includes two 3mm mounting holes with a 5mm center distance for secure mechanical fixation.
  • High-Quality Signal Conditioning: Onboard buffer circuit ensures a clean, low-noise analog signal for accurate ADC readings.

Applications

  • Structural health monitoring and vibration analysis in machinery.
  • Impact detection and event counting in industrial automation.
  • Interactive art installations and haptic feedback systems.
  • Simple security systems for tamper or intrusion detection.
  • Educational projects demonstrating piezoelectric effect and analog signal processing.

Technical Specifications

Item TypeVibration Sensor Module
Operating Voltage3.3V to 5V DC
Output InterfaceAnalog (Voltage)
Sensing PrinciplePiezoelectric Transducer
Output SignalVoltage Proportional to Vibration Strength
Module Dimensions (L x W)30mm x 22mm
Mounting2 x 3mm Holes (5mm Center Distance)
Connector Type3-Pin Gravity (GND, VCC, SIG)

Frequently Asked Questions

What is the output signal of this vibration sensor?

This sensor provides an analog voltage output. The voltage level varies proportionally with the strength and intensity of the vibration applied to the piezoelectric disk. You connect the signal pin to an analog input (ADC) on your microcontroller to read the precise value.

What is the operating voltage range?

The module is designed to operate from a 3.3V to 5V DC power supply. Ensure your microcontroller's logic voltage matches this range. The sensor's output signal will scale with the supplied VCC voltage.

How do I connect this sensor to an Arduino?

Using the included Gravity cable, connect the module's 3-pin connector to your board. The pins are GND (to GND), VCC (to 5V or 3.3V), and SIG (to an analog input pin like A0). No additional components are required as the signal is already buffered.

Can this sensor detect simple taps or only continuous vibration?

It is highly responsive to both discrete events like taps or impacts and continuous vibrations. The analog nature allows you to set software thresholds for event detection or capture the full waveform for analysis of the vibration's characteristics.

Package Includes

  • 1 x Piezo Disk Vibration Sensor Module
  • 1 x Analog 3-Pin Gravity Cable

Additional Information

Weight 0.015 kg
Dimensions 3 × 2.2 cm

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