DFRobot Gravity Flexible Piezo Film Vibration Sensor


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Approx Restocking Date: 25 to 30 Days
SKU: 1209998
  1. Operating Temperature: 0ºC to 85ºC.
  2. Storage Temperature: -40ºC to 85 ºC.
  3. Higher Temperature Version up to 125 ºC available on a Custom Basis.
  4. Operating Voltage: 5V.
  5. Interface Type: Gravity PH2.0 3Pin interface.


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Brand: DF Robot
Category: Vibration/Tilt Sensor and Modules

This is an Arduino-compatible piezo film vibration sensor. It is made up of flexible piezo film and converter board. The sensor is able to detect vibration, flexibility, impact, and touch. The film is a flexible component comprising a 28 µm thick piezoelectric PVDF polymer film with screen-printed Ag-ink electrodes, laminated to a 0.125 mm polyester substrate, and fitted with two crimped contacts. As the piezo film is displaced from the mechanical neutral axis and bending creates very high strain within the piezo polymer, high voltages (about ±90V) are generated. When the assembly is deflected by direct contact, the device acts as a flexible “switch”, and the generated output is sufficient to trigger MOSFET or CMOS stages directly.

The module uses a universal Gravity 3Pin interface that is easy to plug and play. It comes with Digital and Analog two output signals, which is suitable for all kinds of different applications. The piezo vibration sensor is not only able to detect strong shocks, but also to detect slight vibrations. There is an on-board sensitivity adjustment potentiometer, you can adjust it to increase/decrease the output threshold value.

Meanwhile, the piezo film sensor has a wide dynamic range (0.001Hz~1000MHz) also guarantees excellent measuring.


  1. Vibration Sensing in Washing Machine.
  2. Low Power Wakeup Switch.
  3.  Low-Cost Vibration Sensing.
  4. Car Alarms.
  5. Body Movement.
  6. Security Systems.

Useful link:

DFRobot Gravity Flexible piezo film vibration sensor tutorial.


  1. Both No Mass & With Mass Version.
  2. Withstands High Impact.
  3. Operating Temperature: 0ºC to 85ºC.
  4. Storage Temperature: -40ºC to 85 ºC.
  5. Higher Temperature Version up to 125 ºC available on a Custom Basis.

Packages Includes:

1 x DFRobot Gravity Flexible Piezo Film Vibration Sensor.

SKU: 1209998 Category:
Operating Voltage (V)


Interface Type

Gravity PH2.0 3Pin interface

Operating Temperature (°C)

0 to 85

Storage Temperature

-40 to 85

Dimensions (mm)

27 * 22

Weight (g):


Shipping Weight 020 kg
Shipping Dimensions 6 × 5 × 2 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China