Products for USB Sensing and Control
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Projects Dealers Terms and Conditions Discontinued Products Phidget21 Documentation

Vibration Sensor

ID: 1104_0

The vibration sensor uses a piezoelectric element to measure vibration on a surface and connects to an Analog Input or VINT Hub port.

Discontinued

If you need to measure vibration, try using the MOT1100 - Accelerometer Phidget. It is sensitive enough to measure vibration and is more durable than a piezoelectric vibration sensor.

This sensor buffers a piezoelectric transducer. As the transducer is displaced from the mechanical neutral axis, bending creates strain within the piezoelectric element and generates voltages.

If the assembly is supported by its mounting points and left to vibrate “in free space” the device will behave as a form of vibration sensor. The sensing element should not be treated as a flexible switch, and is not intended to be bent.

Interface Boards and Hubs

This sensor can be read by any Phidget with an Analog Input or VINT Hub port. It will connect to either one using the included Phidget cable. VINT Hub ports can behave just like Analog Inputs, but have the added flexibility of being able to be used as digital inputs, digital outputs, or ports to communicate with VINT devices. For more information about VINT, see the VINT Primer.

Product Voltage Inputs
Image Part Number Price Number of Voltage Inputs Voltage Input Resolution
1010_0 $80.00 8 10 bit 1011_0$50.00 2 10 bit
1018_2B $80.00 8 10 bit 1019_1B$110.00 8 10 bit
1203_2B $70.00 8 10 bit DAQ1000_0$20.00 8 12 bit
HUB0000_0 $30.00 6 (Shared) * 16 bit HUB5000_0$60.00 6 (Shared) * 16 bit
SBC3003_0 $120.00 6 (Shared) * 16 bit Phidget Cables This sensor comes with its own Phidget cable to connect it to an InterfaceKit or Hub, but if you need extras we have a full list down below. You can solder multiple cables together in order to make even longer Phidget cables, but you should be aware of the effects of having long wires in your system. Product Physical Properties Image Part Number Price Cable Length 3002_0$2.00 600 mm
3003_0 $1.50 100 mm 3004_0$3.00 3.5 m
3034_0 $1.50 150 mm 3038_0$2.25 1.2 m
3039_0 $2.75 1.8 m CBL4104_0$1.75 300 mm
CBL4105_0 $2.00 900 mm CBL4106_0$2.50 1.5 m

Getting Started

Welcome to the 1104 user guide! In order to get started, make sure you have the following hardware on hand:

Next, you will need to connect the pieces:

1. Connect the 1104 to the HUB0000 with the Phidget cable.
2. Connect the HUB0000 to your computer with the USB cable.

Now that you have everything together, let's start using the 1104!

Using the 1104

Phidget Control Panel

In order to demonstrate the functionality of the 1104, we will connect it to the HUB0000, and then run an example using the Phidget Control Panel on a Windows machine.

The Phidget Control Panel is available for use on both macOS and Windows machines. If you would like to follow along, first take a look at the getting started guide for your operating system:

First Look

After plugging in the 1104 into the HUB0000, and the HUB0000 into your computer, open the Phidget Control Panel. You will see something like this:

The Phidget Control Panel will list all connected Phidgets and associated objects, as well as the following information:

• Serial number: allows you to differentiate between similar Phidgets.
• Channel: allows you to differentiate between similar objects on a Phidget.
• Version number: corresponds to the firmware version your Phidget is running. If your Phidget is listed in red, your firmware is out of date. Update the firmware by double-clicking the entry.

The Phidget Control Panel can also be used to test your device. Double-clicking on an object will open an example.

Voltage Ratio Input

Double-click on a Voltage Ratio Input object in order to run the example:

General information about the selected object will be displayed at the top of the window. You can also experiment with the following functionality:

• Modify the change trigger and/or data interval value by dragging the sliders. For more information on these settings, see the data interval/change trigger page.
• Select the 1104 from the Sensor Type drop-down menu. The Sensor Value will now return a value between -1 and 1.

Technical Details

1104

The 1104 buffers a piezoelectric transducer. As the transducer is displaced from the mechanical neutral axis, bending creates strain within the piezoelectric element and generates voltages. If the assembly is supported by its mounting points and left to vibrate in free space the device will behave as a form of vibration sensor. The sensing element should not be treated as a flexible switch, and is not intended to be bent.

A voltage ratio of 0.5 roughly corresponds to 0g acceleration. Acceleration will deflect the sensing element up or down, causing the voltage ratio to swing either way. This sensor is not meant to measure precise acceleration and vibration - use it to detect an acceleration impulse, or the presence of vibrations.

Phidget Cable

The Phidget Cable is a 3-pin, 0.100 inch pitch locking connector. Pictured here is a plug with the connections labelled. The connectors are commonly available - refer to the Analog Input Primer for manufacturer part numbers.

What to do Next

• Programming Languages - Find your preferred programming language here and learn how to write your own code with Phidgets!
• Phidget Programming Basics - Once you have set up Phidgets to work with your programming environment, we recommend you read our page on to learn the fundamentals of programming with Phidgets.

This device doesn't have an API of its own. It is controlled by opening a VoltageRatioInput channel on the Phidget that it's connected to. For a list of compatible Phidgets with VoltageRatio Inputs, see the Connection & Compatibility tab.

You can find details for the VoltageRatioInput API on the API tab for the Phidget that this sensor connects to.

Product History

Date Board Revision Device Version Comment
September 20050 N/AProduct Release
May 2008 0AN/ARedesign due to component obsolescence

Product Specifications

Sensor Properties
Sensor Type Vibration
Controlled By VoltageRatio Input
Sensor Output Type Ratiometric
Electrical Properties
Current Consumption Max 400 μA
Output Impedance 1 kΩ
Physical Properties
Operating Temperature Min -20 °C
Operating Temperature Max 70 °C