Grove - 3-Axis Digital
Compass User Manual
Release date：
Version：
2015/9/23
1.0
Wiki:http://www.seeedstudio.com/wiki/Grove_-_3-
Axis_Compass_V1.0
Bazaar:http://www.seeedstudio.com/depot/Grove-3Axis-Digital-
Compass-p-759.html
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Document Revision History
Revision
1.0
Date
Sep 23, 2015
Author
Jiankai.li
Description
Create file
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Contents
Document Revision History ·····································2
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1. Introduction ············································2
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2. Specifications ···········································3
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3. Demonstration ·········································· 4
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With Arduino ············································ 4
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[With Raspberry Pi ·········································
········································ 6
4.
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
This 3-axis digital compass features a low field magnetic sensing multi-chip module HMC5883L,
which provides up to 1
°
to 2
°
heading accuracy. HMC5883L consists of high-resolution
HMC118X series magneto-resistive sensors, as well as Honeywell developed ASIC containing
amplification, automatic degaussing strap drivers, offset cancellation and 12 bit ADC. With
peripheral power management circuit added, this is an easy to use and reliable compass module
for low cost compassing and magnetometry.
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