Products for USB Sensing and Control
Products for USB Sensing and Control

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## PhidgetAccelerometer

ID: MOT0100_0
Recommended for new designs: This product (or a similar replacement with a compatible form, fit and function) is estimated to be available for ten years or more.

Measure acceleration up to ±8g in each axis with the PhidgetAccelerometer. Connects via USB or VINT.

## $40.00 Quantity Available: 98 Qty Price 5$38.00
10 $36.00 25$32.00
50 $28.00 100$26.00
250 $24.00 500$22.00
1000 $20.00 The MOT0100 measures acceleration in three axes. The most common use for an accelerometer is to measure the movement of an object, such as a person or robotic vehicle. It can also be used to determine direction and strength of acceleration, detect vibration, or used as a tilt sensor. This Phidget can connect to your computer with a USB cable, or using a VINT Hub. #### Features: • Measure up to ±8g (or 78.5 m/s²) in the x, y, and z-axis. • Accurate timestamp for plotting or advanced calculations • Connect via USB cable or through a VINT Hub #### USB Cables When used in USB mode, you'll need a USB cable to connect the MOT0100 to a computer. We have a number of different lengths available, although the maximum length of a USB cable is 5 meters due to limitations in the timing protocol. For longer distances, we recommend you use VINT mode (see the maximum cable length section on the Specifications tab for more information). Product Physical Properties Part Number Price Connector A Connector B Cable Length Mini-USB Cable 28cm 24AWG$3.00 USB Type A USB Mini-B 280 mm
Mini-USB Cable 180cm 24AWG
$4.00 USB Type A USB Mini-B 1.8 m Mini-USB Cable 450cm 20AWG$12.00 USB Type A USB Mini-B 4.5 m
Mini-USB Cable 60cm 24AWG
$3.50 USB Type A USB Mini-B 600 mm Mini-USB Cable 120cm 24AWG$4.00 USB Type A USB Mini-B 1.2 m
Mini-USB Cable 83cm Right Angle
$4.50 USB Type A USB Mini-B (90 degree) 830 mm #### Phidget Cables When used in VINT mode, you'll need a Phidget cable to connect the MOT0100 to a VINT Hub. 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. See the maximum cable length section on the Specifications tab for more informaton. Product Physical Properties Part Number Price Cable Length Phidget Cable 60cm$2.00 600 mm
Phidget Cable 10cm
$1.50 100 mm Phidget Cable 350cm$3.00 3.5 m
Phidget Cable 120cm
$2.25 1.2 m Phidget Cable 180cm$2.75 1.8 m
Phidget Cable 30cm
$1.75 300 mm Phidget Cable 90cm$2.00 900 mm
Phidget Cable 150cm
$2.50 1.5 m #### VINT Hubs To use the MOT0100 in VINT mode, you'll need a VINT Hub. For more information about VINT, have a look at the VINT Primer. You can use a Phidget Cable to simply and easily connect the two devices. Here's a list of all of the different VINT Hubs currently available: Product Board Part Number Price Number of VINT Ports Controlled By VINT Hub Phidget$30.00 6 USB (Mini-USB)
Wireless VINT Hub
$60.00 6 Local Network (Ethernet or Wi-Fi) PhidgetSBC4$120.00 6

## PhidgetAccelerometer

Welcome to the MOT0100 user guide! In order to get started, make sure you have the following:

• a MOT0100 PhidgetAccelerometer
• a USB cable OR a VINT Hub and Phidget cable
• a computer or laptop

## Step 1: Install Phidgets Library

Before you begin using your Phidgets, you will need to install the Phidget Library.

If you're unsure which one you should get, press ⊞ WIN + Pause/Break:

3a. Select Next

## Step 1: Install Phidgets Library

3b. Read the Licence Agreement. Select Next.

## Step 1: Install Phidgets Library

3c. Choose Installation Location. Select Next.

## Step 1: Install Phidgets Library

3d. Confirm Install

## Step 1: Install Phidgets Library

3e. Wait for Installation to complete. This should only take a few moments.

## Step 1: Install Phidgets Library

3f. Installation Complete. Close installation Window.

## Step 2: Connect Devices

● Connect USB Cable to your computer and PhidgetAccelerometer

● Connect USB Cable to your computer and VINT Hub

● Connect Phidget Cable to your VINT Hub and PhidgetAccelerometer

## Step 3: Verify Connection

1. Open the Phidgets Control Panel:

## Step 3: Verify Connection

2. If connected, your Phidgets will appear in the Phidget Control Panel.

## Done!

If you're able to see and interact with your devices in the Phidget Control Panel, you're done with the Setup part of this guide.

Scroll down to Part 2: Using Your Phidget for the next step.

For more help installing in Windows (e.g. manual install, using a VM, etc.), visit this page:

## Step 1: Install Phidgets Library

Before you begin using your Phidgets, you will need to install the Phidget Library.

## Step 1: Install Phidgets Library

3a. Select Continue

## Step 1: Install Phidgets Library

3c. Here, you have the option to select the installation location. Select Install to continue.

## Step 1: Install Phidgets Library

3e. Wait for Installation to complete. This should only take a few moments.

## Step 1: Install Phidgets Library

3f. You may see a message that the extension has been blocked. Select Open Security Preferences.

## Step 1: Install Phidgets Library

3g. Beside the message for Phidgets Inc, Click Allow.

## Step 1: Install Phidgets Library

3h. Installation Complete, Click Close.

## Step 1: Install Phidgets Library

3i. To delete the installer, click Move to Trash.

## Step 2: Connect Devices

● Connect USB Cable to your computer and PhidgetAccelerometer

● Connect USB Cable to your computer and VINT Hub

● Connect Phidget Cable to your VINT Hub and PhidgetAccelerometer

## Step 3: Verify Connection

1. Open the Phidgets Control Panel:

## Step 3: Verify Connection

2. If connected, your Phidgets will appear in the Phidget Control Panel.

## Done!

If you're able to see and interact with your devices in the Phidget Control Panel, you're done with the Setup part of this guide.

Scroll down to Part 2: Using Your Phidget for the next step.

## Step 1: Install Phidgets Library

1. First, you need to install the libusb-1.0 development libraries. For example, in Debian based distributions:

apt-get install libusb-1.0-0-dev

You’ll also need a C compiler and builder, if you don’t already have one installed.

apt-get install gcc
apt-get install make

## Step 1: Install Phidgets Library

3. Use the following commands in the location you unpacked to install the library:

./configure
make
sudo make install

## Step 1: Install Phidgets Library

4. (Optional) You can also download and unpack the following optional packages:

phidget22networkserver - Phidget Network Server, which enables the use of Phidgets over your network

phidget22admin - Admin tool to track who is connected to your Phidgets when using the network server

libphidget22extra - Required for phidget22networkserver and phidget22admin

libphidget22java - The Java libraries for Phidget22

For installation instructions for these packages, see the README file included with each one.

## Step 2: Connect Devices

● Connect USB Cable to your computer and PhidgetAccelerometer

● Connect USB Cable to your computer and VINT Hub

● Connect Phidget Cable to your VINT Hub and PhidgetAccelerometer

## Step 3: Verify Connection

1. The easiest way to verify that your libraries are working properly is to compile and run an example program. Download and unpack this C example that will detect any Phidget:

## Step 3: Verify Connection

2. Next, open the terminal in the location where you unpacked the example. Compile and run using:

gcc HelloWorld.c -o HelloWorld -lphidget22
sudo ./HelloWorld

ou should receive a “Hello” line for each Phidget channel that is discovered:

I don’t see any Phidgets show up in the HelloWorld example

You need to run it with sudo in order to be able to access USB devices. In order to use Phidgets without sudo, you need to set your udev rules. See the Advanced Information page on the final slide of this guide for details.

## Done!

If you're able to see your devices in the Hello World example, you're done with the Setup part of this guide.

Scroll down to Part 2: Using Your Phidget for the next step.

## Part 2: Using Your Phidget

The MOT0100 is a simple 3-axis accelerometer, useful for measuring vibration, tilt and impacts of the object it's attached to.

### Explore Your Phidget Channels Using The Control Panel

1. Open your Control Panel, and you will find the following channels:

2. Double click on a channel to open an example program. Each channel belongs to a different channel class:

Expand All
Accelerometer: Reports the acceleration of the MOT0100 in the X, Y and Z axis

In your Control Panel, double click on "3-Axis Accelerometer":

For a more comprehensive look at how to use this example, take a look at the Accelerometer Primer

## Part 4: Advanced Topics and Troubleshooting

Expand All
How do I know what channel, serial number, or hub port to use in my program?

Before you open a Phidget channel in your program, you can set these properties to specify which channel to open. You can find this information through the Control Panel.

1. Open the Control Panel and double-click on the red map pin icon:

2. The Addressing Information window will open. Here you will find all the information you need to address your Phidget in your program.

See the Phidget22 API for your language to determine exact syntax for each property.

How can I plot or record sensor data?

Note: Graphing and logging is currently only supported in the Windows version of the Phidget Control Panel.

In the Phidget Control Panel, open the channel for your device and click on the icon next to the data type that you want to plot. This will open up a new window:

If you need more complex functionality such as logging multiple sensors to the same sheet or performing calculations on the data, you'll need to write your own program. Generally this will involve addressing the correct channel, opening it, and then creating an Event Handler and adding graphing/logging code to it.

The quickest way to get started is to download some sample code for your desired programming language and then search google for logging or plotting in that language (e.g. "how to log to csv in python") and add the code to the existing change handler.

### Filtering

You can perform filtering on the raw data in order to reduce noise in your graph. For more information, see the Control Panel Graphing page.

### Graph Type

You can perform a transform on the incoming data to get different graph types that may provide insights into your sensor data. For more information on how to use these graph types, see the Control Panel Graphing page.

MacOS users can upgrade device firmware by double-clicking the device row in the Phidget Control Panel.

Windows users can upgrade the firmware for this device using the Phidget Control Panel as shown below.

Firmware upgrades include important bug fixes and performance improvements, but there are some situations where you may want to revert to an old version of the firmware (for instance, when an application you're using is compiled using an older version of phidget22 that doesn't recognize the new firmware).

MacOS and Linux users can downgrade using the phidget22admin tool in the terminal (see included readme for instructions).

Windows users can downgrade directly from the Phidget Control Panel if they have driver version 1.9.20220112 or newer:

Firmware Version Numbering Schema

Phidgets device firmware is represented by a 3-digit number. For firmware patch notes, see the device history section on the Specifications tab on your device's product page.

• If the digit in the 'ones' spot changes, it means there have been bug fixes or optimizations. Sometimes these changes can drastically improve the performance of the device, so you should still upgrade whenever possible. These upgrades are backwards compatible, meaning you can still use this Phidget on a computer that has Phidget22 drivers from before this firmware upgrade was released.
• If the digit in the 'tens' spot changes, it means some features were added (e.g. new API commands or events). These upgrades are also backwards compatible, in the sense that computers running old Phidget22 drivers will still be able to use the device, but they will not be able to use any of the new features this version added.
• If the digit in the 'hundreds' spot changes, it means a major change has occurred (e.g. a complete rewrite of the firmware or moving to a new architecture). These changes are not backwards compatible, so if you try to use the upgraded board on a computer with old Phidget22 drivers, it will show up as unsupported in the Control Panel and any applications build using the old libraries won't recognize it either. Sometimes, when a Phidget has a new hardware revision (e.g. 1018_2 -> 1018_3), the firmware version's hundreds digit will change because entirely new firmware was needed (usually because a change in the processor). In this case, older hardware revisions won't be able to be upgraded to the higher version number and instead continue to get bug fixes within the same major revision.
Setting the Change Trigger and Data Interval

The Change Trigger is the minimum change in the sensor data needed to trigger a new data event. The Data Interval is the time (in ms) between data events sent out from your Phidget. You can modify one or both of these values to achieve different data outputs. You can learn more about these two properties here.

Mounting Considerations

Since spatial devices are primarily intended to detect and measure motion, introducing unwanted motion into the system is a significant concern. This means that mounting the spatial correctly is very important. Manufacturing tolerances can cause tiny gaps between the enclosure posts and the holes in the board itself. This means the board may be able to rattle around inside the enclosure somewhat.

To solve this, it is always recommended to mount the board itself directly to the system using bolts, instead of using dual-lock or other adhesives on the outside of the enclosure. The holes in the bottom of the enclosure go all the way through the board so mounting is easy. Simply remove the top plate of the enclosure and bolt the board through the bottom of the enclosure to the surface, and then reattach the top plate. Make sure the bolts are tight and try to wiggle the board to see if there's still any movement. It is a good idea to use a thread locker when doing this as well to help stop the bolts from slowly backing out over time, this is especially important in systems that undergo significant vibrations.

#### Product Specifications

Accelerometer
Acceleration Measurement Max ± 8 g
Acceleration Measurement Resolution 250 μg
Acceleration Bandwidth 60 Hz
Accelerometer Noise (@ 4ms) ± 15 mg
Accelerometer Noise (@ 10ms) ± 8 mg
Accelerometer Noise (@ 100ms) ± 4 mg
Accelerometer Drift Max 10 mg
Accelerometer Bias (+15 to +30°C) 20 mg
Board
Controlled By VINT or USB
API Object Name Accelerometer
Current Consumption Max 5 mA
Sampling Speed Min 1 s/sample
Sampling Speed Max 4 ms/sample
USB Voltage Min 4.1 V DC
USB Voltage Max 5.3 V DC
USB Speed Full Speed
Operating Temperature Min -40 °C
Operating Temperature Max 85 °C
Customs Information
American HTS Import Code 8471.80.40.00
Country of Origin CN (China)

#### Maximum Phidget Cable Length

The maximum recommended length of the Phidget cable between this device and a VINT Hub depends on a few different factors. If the device has a icon printed on the enclosure, it means it's equipped with an improved filter which will increase the maximum cable length when connected to a VINT Hub with the same icon.

Cable Gauge Cable Length (m)
26 AWG or thicker 5
26 AWG or thicker (with ) 50

#### Product History

Date Board Revision Device Version Comment
January 2023 0 100 Product Release

#### Software Objects

Channel NameAPIChannel Interface
PhidgetAccelerometer
3-Axis Accelerometer Accelerometer 0 USB
Accelerometer Phidget
3-Axis Accelerometer Accelerometer 0 VINT

#### API

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#### Code Samples

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#### Example Options

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#### Code Samples

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APIDetailLanguageOS
$40.00 ± 8 g 976.7 μg PhidgetSpatial 3/3/3 Basic$60.00 ± 8 g 976.7 μg ± 2000°/s 0.07°/s 3 mG 5.5 G
$80.00 ± 2 g 76.3 μg PhidgetAccelerometer$40.00 ± 8 g 250 μg
$100.00 ± 16 g 30 μg 0.004°/s 1.5 mG ± 8 G Accelerometer Phidget$20.00 ± 8 g 1 mg
$30.00 ± 8 g 200 μg ± 2250°/s 1E-05°/s 200 μG ± 8 G Spatial Phidget$30.00 ± 8 g 250 μg 0.07°/s 1.5 mG ± 8 G