seeed studio Grove User manual

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Grove - 3-Axis Digital Gyro
User Manual
Version：1.0
Release date：2015/9/22
Wiki: http://www.seeedstudio.com/wiki/Grove_-_3-Axis_Digital_Gyro
Bazaar: http://www.seeedstudio.com/depot/Grove-3Axis-Digital-Gyro-p-
750.html?cPath=25_133

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Document Revision History
Revision
Date
Author
Description
1.0
Sep 22, 2015
Loovee
Create file

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Contents
Document Revision History ········································································· 2
1. Introduction ······················································································· 2
2. Features···························································································· 3
3. Demonstration ···················································································· 4
3.1 Hardware Installation ·············································································· 4
3.2 Download Code and Upload ······································································ 4
3.3 Check The Result ··················································································· 4
4. Reference·························································································· 6
5. Resources·························································································· 7

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Disclaimer
For physical injuries and possessions loss caused by those reasons which are not related to
product quality, such as operating without following manual guide, natural disasters or force
majeure, we take no responsibility for that.
Under the supervision of Seeed Technology Inc., this manual has been compiled and published
which covered the latest product description and specification. The content of this manual is
subject to change without notice.
Copyright
The design of this product (including software) and its accessories is under tutelage of laws. Any
action to violate relevant right of our product will be penalized through law. Please consciously
observe relevant local laws in the use of this product.

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1. Introduction
Grove - 3-Axis Digital Gyro module based on ITG 3200. It is the world’s first single-chip, digital-
output, 3-axis MEMS motion processing gyro optimised for gaming, 3D mice, and motion-based
remote control applications for Internet connected Digital TVs and Set Top Boxes. The ITG-3200
features three 16-bit analog-to-digital converters (ADCs) for digitising the gyro outputs, a user-
selectable internal low-pass filter bandwidth, and a Fast-Mode I2C (400kHz) interface.

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2. Features
Supply Voltage: 3.3V, 5V
Operation Current: 6.5mA
Standby current: 5μA
Sensitivity: 14 LSBs per °/sec
Full scale range: ±2000°/sec
Acceleration: 10,000g for 0.3ms
I2C Interface
±2000°/s full scale range and 14.375 LSBs per °/s sensitivity
Three integrated 16-bit ADCs
On-chip temperature sensor
Integrated amplifiers and low-pass filters
Hermetically sealed for temp and humidity resistance
RoHS and Green compliant

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3. Demonstration
This demo will show you how to get data from this digital gyro, the data is in the unit of rad/s.
Here we need a Grove - 3-Axis Digital Gyro and a Seeeduino V3.0.
3.1 Hardware Installation
Hardware installation is very easy, because there's an I2C Grove in Seeeduino,
so what we need to to is connect it to I2C Grove via a Grove cable.
3.2 Download Code and Upload
You can download the library in github, click here, then extract it to libraries folder of Arduino.
Then open File -> examples -> Grove_3_Digital_Gyro -> ITG3200_gyro, you can open the demo
code.
Click Upload to Upload the code, if you have any problem about how to start Arduino, please
click here for some help.
3.3 Check The Result
Now, you can open the serial monitor to check the result.

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4. Reference
The diagram below shows the orientations of 3 axes. You can use it to understand the physical
meanings of the result.

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5. Resources
Datasheet of ITG-3200.
Grove - 3-Axis Digital Gyro Eagle File
Digital Gyro Library